Nouns denoting man-made objects

.22
a .22 caliber firearm (pistol or rifle)
 
3d radar
radar that will report altitude as well as azimuth and distance of a target
 
3TC
a nucleoside reverse transcriptase inhibitor that is very effective in combination with zidovudine in treating AIDS and HIV
 
4WD
a transmission that provides power directly to all four wheels of a motor vehicle
 
4WD
a motor vehicle with a four-wheel drive transmission system
 
78
a shellac based phonograph record that played at 78 revolutions per minute
 
A battery
the battery used to heat the filaments of a vacuum tube
 
A-bomb
a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
 
A-line
women's clothing that has a fitted top and a flared skirt that is widest at the hemline
 
A/C
an appliance designed to extract humidity from the air and thereby cool it
 
aba
a fabric woven from goat hair and camel hair
 
aba
a loose sleeveless outer garment made from aba cloth; worn by Arabs
 
abacus
a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves
 
abacus
a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
 
abandoned ship
a ship abandoned on the high seas
 
abatis
a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy
 
abattoir
a building where animals are butchered
 
abaya
(Arabic) a loose black robe from head to toe; traditionally worn by Muslim women
 
Abbe condenser
a condenser having 2 or 3 lenses with wide aperture for use in microscopes
 
abbey
a monastery ruled by an abbot
 
abbey
a convent ruled by an abbess
 
abbey
a church associated with a monastery or convent
 
ABM
a defensive missile designed to shoot down incoming intercontinental ballistic missiles
 
Abney level
a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target
 
abode
housing that someone is living in
 
aborticide
a drug (or other chemical agent) that causes abortion
 
abradant
a tool or machine used for wearing down or smoothing or polishing
 
abrading stone
a primitive stone artifact (usually made of sandstone) used as an abrader
 
abstract art
an abstract genre of art; artistic content depends on internal form rather than pictorial representation
 
Abstract Expressionism
a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles
 
abstraction
an abstract painting
 
abutment
a masonry support that touches and directly receives thrust or pressure of an arch or bridge
 
abutment arch
an arch supported by an abutment
 
academic costume
a costume worn on formal occasions by the faculty or students of a university or college
 
academic gown
a gown worn by academics or judges
 
academy
a learned establishment for the advancement of knowledge
 
accelerator
a pedal that controls the throttle valve
 
accelerator
a scientific instrument that increases the kinetic energy of charged particles
 
accelerator
a valve that regulates the supply of fuel to the engine
 
accelerometer
an instrument for measuring the acceleration of aircraft or rockets
 
access road
a short road giving access to an expressway
 
access
a way of entering or leaving
 
access
(computer science) the operation of reading or writing stored information
 
accessory
clothing that is worn or carried, but not part of your main clothing
 
accessory
a supplementary component that improves capability
 
accommodating IOL
a lens implant containing a hinge that allows for both near and far vision (thus mimicking the natural lens of a young person)
 
accommodation
living quarters provided for public convenience
 
accommodation ladder
(nautical) a portable ladder hung over the side of a vessel to give access to small boats alongside
 
accordion door
an interior door that opens by folding back in sections (rather than by swinging on hinges)
 
accordion
a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
 
accumulator
(computer science) a register that has a built-in adder that adds an input number to the contents of the register
 
accumulator
a voltaic battery that stores electric charge
 
ace
one of four playing cards in a deck having a single pip on its face
 
ACE inhibitor
an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
 
ace of clubs
the ace in the club suit
 
ace of diamonds
the ace in the diamond suit
 
ace of hearts
the ace in the heart suit
 
ace of spades
the ace in the spade suit; sometimes taken as a portent of death
 
acetanilid
a white crystalline compound used as an analgesic and also as an antipyretic
 
acetate disk
a disk coated with cellulose acetate
 
acetate
a fabric made from fibers of cellulose acetate
 
acetophenetidin
a white crystalline compound used as an analgesic and also as an antipyretic
 
achromatic lens
a compound lens system that forms an image free from chromatic aberration
 
Achromycin
an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
 
ack-ack
artillery designed to shoot upward at airplanes
 
acorn tube
a small vacuum tube; used at high frequencies
 
acoustic
a remedy for hearing loss or deafness
 
acoustic delay line
a delay line based on the time of propagation of sound waves
 
acoustic device
a device for amplifying or transmitting sound
 
acoustic gramophone
an antique record player; the sound of the vibrating needle is amplified acoustically
 
acoustic guitar
sound is not amplified by electrical means
 
acoustic modem
a modem that converts electrical signals to telephone tones and back again
 
acoustic storage
a storage device consisting of acoustic delay lines
 
Acrilan
acrylic resin used to make a strong soft crease-resistant fabric (trade name Acrilan)
 
acropolis
the citadel in ancient Greek towns
 
acrylic
a synthetic fabric
 
acrylic
used especially by artists
 
Actifed
trade name for a drug containing an antihistamine and a decongestant; used to treat upper respiratory conditions and minor allergies
 
actinometer
an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
 
actinomycin
any of various red antibiotics isolated from soil bacteria
 
action
the operating part that transmits power to a mechanism
 
Activase
a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction
 
active matrix screen
a type of LCD screen used for some portable computers; there is a separate circuit for each pixel
 
active placebo
a placebo used in experimental tests of a drug that has noticeable side effects
 
activewear
attire worn for sport or for casual wear
 
actuator
a mechanism that puts something into automatic action
 
Adam
street names for methylenedioxymethamphetamine
 
adapter
device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
 
add-in
a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
 
adder
a machine that adds numbers
 
adding machine
a calculator that performs simple arithmetic functions
 
addition
a component that is added to something to improve it
 
additive
something added to enhance food or gasoline or paint or medicine
 
Addressograph
a printer that automatically prints addresses on letters for mailing
 
adhesive bandage
bandage consisting of a medical dressing of plain absorbent gauze held in place by a plastic or fabric tape coated with adhesive
 
adhesive plaster
adhesive tape used in dressing wounds
 
adhesive tape
tape coated with adhesive
 
adit
a nearly horizontal passage from the surface into a mine
 
adjoining room
a hotel room that shares a wall with another hotel room
 
adjustable spanner
can be changed to different settings
 
adjuvant
an additive that enhances the effectiveness of medical treatment
 
admixture
an additional ingredient that is added by mixing with the base
 
adobe house
a house built of sod or adobe laid in horizontal courses
 
adobe
sun-dried brick; used in hot dry climates
 
adornment
a decoration of color or interest that is added to relieve plainness
 
ADP system
a system of one or more computers and associated software with common storage
 
adrenergic
drug that has the effects of epinephrine
 
adumbration
a sketchy or imperfect or faint representation
 
adz
an edge tool used to cut and shape wood
 
aegis
armor plate that protects the chest; the front part of a cuirass
 
aeolian harp
a harp having strings tuned in unison; they sound when wind passes over them
 
aerator
an apparatus for exposing something to the air (as sewage)
 
aerial ladder
mechanically extendible ladder; used on a fire truck
 
aerial ladder truck
a fire engine carrying ladders
 
aerial torpedo
a torpedo designed to be launched from an airplane
 
aerial tramway
a conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers
 
aerial
an electrical device that sends or receives radio or television signals
 
aerodrome
an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo
 
aerofoil
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
 
aerogenerator
generator that extracts usable energy from winds
 
aeroplane
an aircraft that has a fixed wing and is powered by propellers or jets
 
aerosol bomb
a bomb that uses a fuel-air explosive
 
aerosol
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
 
Aertex
a trademark for a loosely woven cotton fabric that is used to make shirts and underwear
 
afghan
a blanket knitted or crocheted in strips or squares; sometimes used as a shawl
 
afghan
a coat made of sheepskin
 
Aflaxen
a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation
 
Afro-wig
a wig that gives the appearance of an Afro hairdo
 
after part
the rear part of a ship
 
after-shave
a fragrant lotion for a man's face after shaving
 
afterburner
a device that injects fuel into a hot exhaust for extra thrust
 
afterdeck
a deck abaft of midships
 
afterthought
an addition that was not included in the original plan
 
agal
a cord (usually of goat's hair) that Arabs (especially Bedouins) wind around their heads to hold down the kaffiyeh
 
agateware
pottery that is veined and mottled to resemble agate
 
agglomerator
a device that causes material to gather into rounded balls
 
aggregate
the whole amount
 
aglet
metal or plastic sheath over the end of a shoelace or ribbon
 
aglet
ornamental tagged cord or braid on the shoulder of a uniform
 
agonist
(biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
 
agora
a place of assembly for the people in ancient Greece
 
aid station
(military) a station located near a combat area for giving first aid to the wounded
 
aigret
a long plume (especially one of egret feathers) worn on a hat or a piece of jewelry in the shape of a plume
 
aileron
an airfoil that controls lateral motion
 
air bag
a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward
 
air base
a base for military aircraft
 
air cleaner
a filter that removes dust from the air that passes through it
 
air compressor
a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure
 
air conditioner
a system that keeps air cool and dry
 
air cushion
a mechanical device using confined air to absorb the shock of motion
 
air cushion
a cushion usually made of rubber or plastic that can be inflated
 
air duct
a duct that provides ventilation (as in mines)
 
Air Force Research Laboratory
a United States Air Force defense laboratory responsible for discovering and developing and integrating fighting technologies for aerospace forces
 
air gun
a gun that propels a projectile by compressed air
 
air hammer
a hammer driven by compressed air
 
air hole
a hole that allows the passage of air
 
air horn
air intake of a carburetor
 
air horn
a pneumatic horn
 
air hose
a hose that carries air under pressure
 
air lock
a chamber that provides access to space where air is under pressure
 
air mattress
a mattress that can be stored flat and inflated for use
 
air pump
a pump that moves air in or out of something
 
air search radar
a shipboard radar that searches for aircraft
 
air shaft
a shaft for ventilation
 
air terminal
a terminal that serves air travelers or air freight
 
air thermometer
thermometer that measures temperature by changes in the pressure of a gas kept at constant volume
 
air transportation system
a transportation system for moving passengers or goods by air
 
air-intake
a duct that admits air to be mixed with fuel
 
air-raid shelter
a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids
 
air-to-air missile
a missile designed to be launched from one airplane at another
 
air-to-ground missile
a missile designed to be launched from an airplane at a target on the ground
 
airbrake
a vehicular brake that operates by compressed air; especially for heavy vehicles
 
airbrake
a small parachute or articulated flap to reduce the speed of an aircraft
 
airbrush
an atomizer to spray paint by means of compressed air
 
airbus
a subsonic jet airliner operated over short distances
 
aircraft
a vehicle that can fly
 
aircraft carrier
a large warship that carries planes and has a long flat deck for takeoffs and landings
 
aircraft engine
the engine that powers and aircraft
 
airdock
a large structure at an airport where aircraft can be stored and maintained
 
airfield
a place where planes take off and land
 
airframe
the framework and covering of an airplane or rocket (excluding the engines)
 
airing cupboard
a warm cupboard where you put newly washed clothes until they are completely dry
 
airline
a commercial enterprise that provides scheduled flights for passengers
 
airliner
a commercial airplane that carries passengers
 
airmailer
a mailer for airmail
 
airplane propeller
a propeller that rotates to push against air
 
airship
a steerable self-propelled aircraft
 
airstrip
an airfield without normal airport facilities
 
aisle
part of a church divided laterally from the nave proper by rows of pillars or columns
 
aisle
a long narrow passage (as in a cave or woods)
 
aisle
passageway between seating areas as in an auditorium or passenger vehicle or between areas of shelves of goods as in stores
 
Aladdin's lamp
(Arabian Nights) a magical lamp from which Aladdin summoned a genie
 
alarm
a clock that wakes a sleeper at some preset time
 
alarm
a device that signals the occurrence of some undesirable event
 
alb
a white linen liturgical vestment with sleeves; worn by priests
 
album
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
 
alcazar
any of various Spanish fortresses or palaces built by the Moors
 
alcohol thermometer
thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature
 
alcove
a small recess opening off a larger room
 
Aldomet
antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure
 
alehouse
a tavern where ale is sold
 
alembic
an obsolete kind of container used for distillation; two retorts connected by a tube
 
algometer
device for measuring pain caused by pressure
 
Alhambra
a fortified Moorish palace built near Granada by Muslim kings in the Middle Ages
 
alidad
surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
 
alidad
surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
 
Alkeran
antineoplastic drug (trade name Alkeran) used to treat multiple myeloma and some other malignancies
 
alkylating agent
an antineoplastic drug used to treat some forms of cancer
 
all-terrain bike
a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
 
Allen screw
a screw with a hexagonal hole in the head
 
Allen wrench
a wrench for Allen screws
 
alleviant
remedy that alleviates pain without curing
 
alley
a narrow street with walls on both sides
 
alley
a lane down which a bowling ball is rolled toward pins
 
alligator clip
a clip with a spring that closes the metal jaws
 
alligator wrench
a wrench with a v-shaped jaw and serrations on one side (resembles the open jaws of an alligator)
 
alms box
box for collecting alms, especially one in a church
 
alms dish
a tray for collecting the offering from a congregation
 
aloes
a purgative made from the leaves of aloe
 
alpaca
a thin glossy fabric made of the wool of the Lama pacos, or made of a rayon or cotton imitation of that wool
 
alpenstock
a stout staff with a metal point; used by mountain climbers
 
alpha blocker
any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder
 
alpha-interferon
a form of interferon that is produced endogenously and commercially for its pharmacological effects (including regulation of the immune system and antiviral and antineoplastic effects)
 
alphanumeric display
a display that gives the information in the form of characters (numbers or letters)
 
Alpine lift
a surface lift where riders hold a bar and are pulled up the hill on their skis
 
Altace
an ACE inhibitor (trade name Altace) used to treat high blood pressure or in some patients who have had a heart attack
 
altar
a raised structure on which gifts or sacrifices to a god are made
 
altarpiece
a painted or carved screen placed above and behind an altar or communion table
 
altazimuth
an instrument that measures the altitude and azimuth of celestial bodies; used in navigation
 
alternator
an old term for an electric generator that produces alternating current (especially in automobiles)
 
altimeter
an instrument that measures the height above ground; used in navigation
 
alto relievo
a sculptural relief in which forms extend out from the background to at least half their depth
 
alum
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
 
aluminium foil
foil made of aluminum
 
Alupent
a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness
 
Amati
a violin made by Nicolo Amati or a member of his family
 
ambo
a platform raised above the surrounding level to give prominence to the person on it
 
ambulance
a vehicle that takes people to and from hospitals
 
ambulatory
a covered walkway (as in a cloister)
 
amen corner
area reserved for persons leading the responsive `amens'
 
American organ
a free-reed instrument in which air is drawn in through reeds by suction bellows
 
American Stock Exchange
a stock exchange in New York
 
Americana
any artifact (such as books or furniture or art) that is distinctive of America
 
amethopterin
toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
 
amidopyrine
a white crystalline substance used as an analgesic and antipyretic
 
aminophylline
a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis
 
ammeter
a meter that measures the flow of electrical current in amperes
 
ammo
projectiles to be fired from a gun
 
ammonia clock
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
 
ammunition chest
a chest to hold ammunition
 
amobarbital
a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant
 
amphetamine sulfate
a sulfate derivative of amphetamine that is used as a stimulant for the central nervous system
 
amphetamine
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
 
amphibian
an airplane designed to take off and land on water
 
amphibian
a flat-bottomed motor vehicle that can travel on land or water
 
amphitheater
a sloping gallery with seats for spectators (as in an operating room or theater)
 
amphitheater
an oval large stadium with tiers of seats; an arena in which contests and spectacles are held
 
Amphitheatrum Flavium
a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80
 
amphora
an ancient jar with two handles and a narrow neck; used to hold oil or wine
 
amphotericin
an antibiotic and antifungal agent
 
amplifier
electronic equipment that increases strength of signals passing through it
 
ampoule
a small bottle that contains a drug (especially a sealed sterile container for injection by needle)
 
ampulla
a flask that has two handles; used by Romans for wines or oils
 
amulet
a trinket or piece of jewelry usually hung about the neck and thought to be a magical protection against evil or disease
 
amusement arcade
an arcade featuring coin-operated game machines
 
amyl nitrate
a vasodilator that is sometimes used to treat angina pectoris
 
Amytal
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
 
anachronism
an artifact that belongs to another time
 
Anacin III
an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)
 
anaesthetic
a drug that causes temporary loss of bodily sensations
 
anaglyph
anything carved in low relief
 
anaglyph
moving or still pictures in contrasting colors that appear three-dimensional when superimposed
 
analeptic
a medication used as a stimulant to the central nervous system
 
analgesic
a medicine used to relieve pain
 
analog clock
a clock that displays the time of day by the position of hands on a dial
 
analog computer
a computer that represents information by variable quantities (e.g., positions or voltages)
 
analog watch
a watch that represents time by the position of hands on a dial
 
analog-digital converter
device for converting analogue signals into digital signals
 
analyser
an instrument that performs analyses
 
analytical balance
a beam balance of great precision used in quantitative chemical analysis
 
anamorphism
a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner
 
anastigmat
compound lens or lens system designed to be free of astigmatism and able to form approximately point images
 
anastigmatic lens
a lens designed to correct astigmatism
 
anchor chain
the chain or rope that attaches an anchor to a vessel
 
anchor light
a light in the rigging of a ship that is riding at anchor
 
anchor
a mechanical device that prevents a vessel from moving
 
AND circuit
a circuit in a computer that fires only when all of its inputs fire
 
andiron
metal supports for logs in a fireplace
 
android
an automaton that resembles a human being
 
anechoic chamber
a chamber having very little reverberation
 
anemometer
a gauge for recording the speed and direction of wind
 
aneroid
a barometer that measures pressure without using fluids
 
anesthyl
a mixture of methyl and ethyl chloride; sprayed on as a local anesthetic
 
angiocardiogram
a series of X rays representing the action of the heart and its blood vessels after the injection of a radiopaque substance
 
angiogenesis inhibitor
a drug that is designed to prevent the growth of blood vessels that nourish tumors
 
angiogram
an X-ray representation of blood vessels made after the injection of a radiopaque substance
 
angioscope
a modified microscope used to study capillary vessels
 
angiotensin I
a physiologically inactive form of angiotensin that is the precursor to angiotensin II
 
angiotensin II
a potent vasopressor agent formed from angiotensin I
 
angiotensin II inhibitor
an agent that retards or restrains the action of angiotensin II
 
angle bracket
an L-shaped metal bracket
 
angledozer
a bulldozer with an angled moldboard to push earth to one side
 
Anglo-German concertina
a concertina with bellows and buttons on both ends
 
Angostura Bridge
a suspension bridge across the Orinoco River at Ciudad Bolivar
 
animalization
a depiction in the form of an animal
 
ankle brace
a brace worn to strengthen the ankle
 
ankle bracelet
an ornament worn around the ankle
 
anklet
a shoe for a child or woman that has a strap around the ankle
 
anklet
a sock that reaches just above the ankle
 
ankus
an elephant goad with a sharp spike and a hook
 
annex
an addition that extends a main building
 
annulet
(heraldry) a charge in the shape of a small ring
 
annulet
molding in the form of a ring; at top of a column
 
annunciator
an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
 
anode
a positively charged electrode by which electrons leave an electrical device
 
anode
the negatively charged terminal of a voltaic cell or storage battery that supplies current
 
anorak
a kind of heavy jacket (`windcheater' is a British term)
 
anovulant
a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
 
Ansaid
a nonsteroidal anti-inflammatory drug (trade name Ansaid) that is administered only orally
 
answering machine
an electronic device that answers the telephone and records messages
 
Antabuse
a drug (trade name Antabuse) used in the treatment of alcoholism; causes nausea and vomiting if alcohol is ingested
 
antagonist
a drug that neutralizes or counteracts the effects of another drug
 
antechamber
a large entrance or reception room or area
 
antefix
carved ornament at the eaves of a tile roof concealing the joints between tiles
 
anthelminthic
a medication capable of causing the evacuation of parasitic intestinal worms
 
anti-G suit
pressure suit worn by fliers and astronauts to counteract the forces of gravity and acceleration
 
anti-impotence drug
drug to treat impotence attributable to erectile dysfunction
 
anti-inflammatory
a medicine intended to reduce inflammation
 
anti-submarine rocket
a shipboard system to fire rockets at submarines
 
anti-sway bar
a rigid metal bar between the front suspensions and between the rear suspensions of cars and trucks; serves to stabilize the chassis
 
anti-TNF compound
a class of drugs that block the action of tumor necrosis factor (TNF); used in cases of rheumatoid arthritis because TNF instigates inflammation of the joints
 
anti-torque rotor
rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
 
antianxiety agent
a drug used to reduce stress or tension without reducing mental clarity
 
antianxiety drug
a tranquilizer used to relieve anxiety and reduce tension and irritability
 
antiarrhythmic
a drug used to treat an abnormal heart rhythm
 
antibacterial
any drug that destroys bacteria or inhibits their growth
 
antibiotic
a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections
 
anticholinergic
a substance that opposes or blocks the action of acetylcholine
 
anticholinesterase
a medicine that inhibits cholinesterase by combining with it and so has a cholinergic effect
 
anticoagulant
medicine that prevents or retards the clotting of blood
 
anticonvulsant
a drug used to treat or prevent convulsions (as in epilepsy)
 
antidepressant
any of a class of drugs used to treat depression; often have undesirable side effects
 
antidiabetic
a drug used to treat diabetes mellitus
 
antidiarrheal
a drug used to control or stop diarrhea
 
antidiuretic
a drug that limits the formation of urine
 
antidote
a remedy that stops or controls the effects of a poison
 
antiemetic
a drug that prevents or alleviates nausea and vomiting
 
antiflatulent
any agent that reduces intestinal gas
 
antifouling paint
a paint used to protect against the accumulation of barnacles etc. on underwater surfaces
 
antifungal
any agent that destroys or prevents the growth of fungi
 
antihistamine
a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
 
antihypertensive
a drug that reduces high blood pressure
 
antimacassar
a piece of ornamented cloth that protects the back of a chair from hair oils
 
antimalarial
a medicinal drug used to prevent or treat malaria
 
antimetabolite
an antineoplastic drug that inhibits the utilization of a metabolite
 
antimicrobial
an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
 
antimycin
a crystalline antibiotic active against various fungi
 
antineoplastic antibiotic
an antibiotic drug used as an antineoplastic in chemotherapy
 
antineoplastic
any of several drugs that control or kill neoplastic cells; used in chemotherapy to kill cancer cells; all have unpleasant side effects that may include nausea and vomiting and hair loss and suppression of bone marrow function
 
antipersonnel bomb
a bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragments; most effective against troops and vehicles
 
antiperspirant
an astringent substance applied to the skin to reduce perspiration
 
antiprotozoal
a medicinal drug used to fight diseases (like malaria) that are caused by protozoa
 
antipruritic
a substance that relieves or prevents itching
 
antipsychotic
tranquilizer used to treat psychotic conditions when a calming effect is desired
 
antipyretic
any medicine that lowers body temperature to prevent or alleviate fever
 
antique
any piece of furniture or decorative object or the like produced in a former period and valuable because of its beauty or rarity
 
antiquity
an artifact surviving from the past
 
antiseptic
a substance that destroys micro-organisms that carry disease without harming body tissues
 
antispasmodic
a drug used to relieve or prevent spasms (especially of the smooth muscles)
 
antisyphilitic
a drug (or other chemical agent) that is effective against syphilis
 
antitussive
any medicine used to suppress or relieve coughing
 
Antivert
an antihistamine (trade name Antivert) used to treat or prevent motion sickness
 
antiviral
any drug that destroys viruses
 
Antonine Wall
a fortification 37 miles long across the narrowest part of southern Scotland (between the Firth of Forth and the Firth of Clyde); built in 140 to mark the frontier of the Roman province of Britain
 
anvil
a heavy block of iron or steel on which hot metals are shaped by hammering
 
ao dai
the traditional dress of Vietnamese women consisting of a tunic with long sleeves and panels front and back; the tunic is worn over trousers
 
apadana
the great hall in ancient Persian palaces
 
apartment building
a building that is divided into apartments
 
apartment
a suite of rooms usually on one floor of an apartment house
 
APC
a drug combination found in some over-the-counter headache remedies (aspirin and phenacetin and caffeine)
 
APC
(military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry
 
aperient
a purging medicine; stimulates evacuation of the bowels
 
aperture
an man-made opening; usually small
 
aperture
a device that controls amount of light admitted
 
aphrodisiac
a drug or other agent that stimulates sexual desire
 
apiary
a shed containing a number of beehives
 
apishamore
a saddle blanket made of buffalo hide
 
apomorphine
a morphine derivative that is not as strong as morphine; used as an emetic and in small doses as a sedative
 
apothecary's shop
a retail shop where medicine and other articles are sold
 
apparatus
equipment designed to serve a specific function
 
apparel
clothing in general
 
appendage
a part that is joined to something larger
 
appendicle
a small appendage
 
appetite suppressant
a drug that suppresses appetite
 
Appian Way
an ancient Roman road in Italy extending south from Rome to Brindisi; begun in 312 BC
 
apple of discord
(classical mythology) a golden apple thrown into a banquet of the gods by Eris (goddess of discord--who had not been invited); the apple had `for the fairest' written on it and Hera and Athena and Aphrodite all claimed it; when Paris (prince of Troy) awarded it to Aphrodite it began a chain of events that led to the Trojan War
 
apple orchard
a grove of apple trees
 
applecart
a handcart from which apples and other fruit are sold in the street
 
appliance
durable goods for home or office use
 
appliance
a device or control that is very useful for a particular job
 
application
liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
 
applicator
a device for applying a substance
 
applique
a decorative design made of one material sewn over another
 
appointment
(usually in the plural) furnishings and equipment (especially for a ship or hotel)
 
approach trench
a trench that provides protected passage between the rear and front lines of a defensive position
 
appurtenance
equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
 
Apresoline
an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
 
apron
a garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing
 
apron
a paved surface where aircraft stand while not being used
 
apron string
(usually used in the plural) a cord used to tie an apron at the waist
 
apron
the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)
 
apse
a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar
 
Aqua-Lung
a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus
 
aquaplane
a board that is pulled by a speedboat as a person stands on it and skims over the top of the water
 
aquarium
a tank or pool or bowl filled with water for keeping live fish and underwater animals
 
aquatint
an etching made by a process that makes it resemble a water color
 
aqueduct
a conduit that resembles a bridge but carries water over a valley
 
arabesque
an ornament that interlaces simulated foliage in an intricate design
 
Arabian tea
the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
 
Arava
an anti-TNF compound (trade name Arava) that is given orally; can slow the progression of rheumatoid arthritis by slowing the proliferation of white blood cells which reduces inflammation in the synovium
 
arbalest
an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
 
arbor
a framework that supports climbing plants
 
arbor
any of various rotating shafts that serve as axes for larger rotating parts
 
arboretum
a facility where trees and shrubs are cultivated for exhibition
 
arc lamp
a lamp that produces light when electric current flows across the gap between two electrodes
 
arc-boutant
a buttress that stands apart from the main structure and connected to it by an arch
 
arcade
a covered passageway with shops and stalls on either side
 
arcade
a structure composed of a series of arches supported by columns
 
arch
(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
 
arch support
a support for the arch of the foot
 
arch
a passageway under a curved masonry construction
 
architectural ornament
(architecture) something added to a building to improve its appearance
 
architectural plan
scale drawing of a structure
 
architecture
an architectural product or work
 
architrave
the lowest part of an entablature; rests immediately on the capitals of the columns
 
architrave
the molding around a door or window
 
archive
a depository containing historical records and documents
 
arctic
a waterproof overshoe that protects shoes from water or snow
 
area
a part of a structure having some specific characteristic or function
 
areaway
a passageway between buildings or giving access to a basement
 
arena theater
a theater arranged with seats around at least three sides of the stage
 
arena
a large structure for open-air sports or entertainments
 
arena
a playing field where sports events take place
 
argyle
a sock knitted or woven with an argyle design (usually used in the plural)
 
argyle
a design consisting of a pattern of varicolored diamonds on a solid background (originally for knitted articles); patterned after the tartan of a clan in western Scotland
 
argyle
a covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warm
 
Argyrol
antiseptic consisting of a compound of protein and silver (trade name Argyrol)
 
arial mosaic
arrangement of aerial photographs forming a composite picture
 
ark
a boat built by Noah to save his family and animals from the flood
 
Ark of the Covenant
(Judaism) sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments
 
arm
the part of an armchair or sofa that supports the elbow and forearm of a seated person
 
arm band
a band worn around the arm for decoration
 
arm guard
a pad worn by football players and hockey goalkeepers
 
arm
any projection that is thought to resemble a human arm
 
arm
the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
 
arm
any instrument or instrumentality used in fighting or hunting
 
armament
weaponry used by military or naval force
 
armature
coil in which voltage is induced by motion through a magnetic field
 
armband
a band worn around the upper arm
 
armchair
chair with a support on each side for arms
 
armet
a medieval helmet with a visor and a neck guard
 
armguard
a protective covering for the wrist or arm that is used in archery and fencing and other sports
 
armhole
a hole through which you put your arm and where a sleeve can be attached
 
armilla
(archeology) a bracelet worn around the wrist or arm
 
armilla
a celestial globe consisting of metal hoops; used by early astronomers to determine the positions of stars
 
armoire
a large wardrobe or cabinet; originally used for storing weapons
 
armor plate
specially hardened steel plate used to protect fortifications or vehicles from enemy fire
 
armor
protective covering made of metal and used in combat
 
armored car
a military combat vehicle on wheels with light armor (and usually a machine gun)
 
armored car
an armor-plated truck with strong doors and locks used to transport money or valuables
 
armored combat vehicle
an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
 
armored vehicle
a vehicle that is protected by armor plate
 
armorial bearing
heraldry consisting of a design or image depicted on a shield
 
armory
a place where arms are manufactured
 
armory
a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
 
armory
all the weapons and equipment that a country has
 
armrest
a support for the arm
 
arms
the official symbols of a family, state, etc.
 
arms
weapons considered collectively
 
army base
a large base of operations for an army
 
Army High Performance Computing Research Center
a United States defense laboratory to conduct research in high-performance computing for defense technology applications; a partnership of government and university and industry
 
army hut
temporary military shelter
 
arnica
an ointment used in treating bruises
 
arquebus
an obsolete firearm with a long barrel
 
arras
a wall hanging of heavy handwoven fabric often with pictorial designs
 
array
an arrangement of aerials spaced to give desired directional characteristics
 
array
especially fine or decorative clothing
 
arrester
a restraint that slows airplanes as they land on the flight deck of an aircraft carrier
 
arrival gate
gate where passengers disembark
 
arrow
a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
 
arrowhead
the pointed head or striking tip of an arrow
 
art gallery
a room or series of rooms where works of art are exhibited
 
art object
a work of art of some artistic value
 
art school
a school specializing in art
 
art
the products of human creativity; works of art collectively
 
Artemision at Ephesus
the large temple of the Greek goddess Artemis which was begun at Ephesus in 541 BC and completed 220 years later; the temple was destroyed by the Goths in 262
 
arterial road
a major or main route
 
arteriogram
an X ray of an artery filled with a contrast medium
 
artery
a major thoroughfare that bears important traffic
 
artesian well
a well drilled through impermeable strata into strata that receive water from a higher altitude so there is pressure to force the water to flow upward
 
arthrogram
an X ray of a joint after the injection of a contrast medium
 
arthroscope
a type of endoscope that is inserted into a joint for visual examination
 
article of clothing
a covering designed to be worn on a person's body
 
article of commerce
an article that is offered for sale
 
article of furniture
furnishings that make a room or other area ready for occupancy
 
articulated ladder
a ladder consisting of segments (usually four) that are held together by joints that can lock in place
 
articulated lorry
a truck consisting of a tractor and trailer together
 
artificial additive
an additive to food intended to improve its flavor or appearance or shelf-life
 
artificial flower
a handmade imitation of a blossom
 
artificial heart
a pump that replaces the natural heart
 
artificial horizon
a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot
 
artificial joint
a metal or plastic part that is surgically implanted to replace a natural joint (possibly elbow or wrist but usually hip or knee)
 
artificial kidney
a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body
 
artificial lake
lake used to store water for community use
 
artificial pacemaker
an implanted electronic device that takes over the function of the natural cardiac pacemaker
 
artificial satellite
man-made equipment that orbits around the earth or the moon
 
artificial skin
a synthetic covering with two layers used experimentally to treat burn victims
 
artillery shell
a shell fired by artillery
 
artillery
large but transportable armament
 
artist's loft
a factory loft that has been converted into an artist's workroom and living area
 
artist's workroom
a studio especially for an artist or designer
 
ascot
a cravat with wide square ends; secured with an ornamental pin
 
asdic
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
 
ash bin
a bin that holds rubbish until it is collected
 
ash-pan
a receptacle fitted beneath the grate in which ashes collect and are removed
 
Ashcan school
early 20th-century United States painting; portrays realistic and sordid scenes of city life
 
ashlar
a rectangular block of hewn stone used for building purposes
 
ashtray
a receptacle for the ash from smokers' cigars or cigarettes
 
asparagus bed
a bed in which asparagus is growing
 
aspergill
a short-handled device with a globe containing a sponge; used for sprinkling holy water
 
aspersorium
the basin or other vessel that holds holy water in Roman Catholic Churches
 
asphyxiator
a manually operated device for extinguishing small fires
 
aspirator
a pump that draws air or another gas through a liquid
 
aspirin powder
a powdered form of aspirin
 
assagai
the slender spear of the Bantu-speaking people of Africa
 
assault gun
an armored vehicle with the chassis of a tank (but no turret) and a large gun; used as an antitank weapon and to support infantry
 
assault gun
any of the automatic rifles or semiautomatic rifles with large magazines designed for military use
 
assemblage
a system of components assembled together for a particular purpose
 
assembly
a group of machine parts that fit together to form a self-contained unit
 
assembly
a unit consisting of components that have been fitted together
 
assembly hall
a hall where many people can congregate
 
assembly line
mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it
 
assembly plant
a factory where manufactured parts are assembled into a finished product
 
assembly
a public facility to meet for open discussion
 
astatic coils
an arrangement of coils used in sensitive electrical instruments; the coils are arranged to give zero resultant external magnetic field when a current passes through them and to have zero electromotive force induced in them by an external magnetic field
 
astatic galvanometer
has a moving magnet and astatic coils arranged to cancel the effect of the Earth's magnetic field
 
astragal
a beaded molding for edging or decorating furniture
 
astringent
a drug that causes contraction of body tissues and canals
 
astrodome
a transparent dome on top of an airplane where the navigator can make celestial observations
 
astrolabe
an early form of sextant
 
astronomical telescope
any telescope designed to collect and record electromagnetic radiation from cosmic sources
 
astronomy satellite
a satellite equipped with a telescope to observe infrared radiation
 
Aswan High Dam
one of the world's largest dams on the Nile River in southern Egypt
 
asylum
a hospital for mentally incompetent or unbalanced person
 
asylum
a shelter from danger or hardship
 
Atabrine
a drug (trade name Atabrine) used to treat certain worm infestations and once used to treat malaria
 
athanor
a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists
 
athenaeum
a place where reading materials are available
 
atherodyde
a simple type of jet engine; must be launched at high speed
 
athletic facility
a facility for athletic events
 
athletic sock
a sock worn for athletic events
 
athletic supporter
a support for the genitals worn by men engaging in strenuous exercise
 
Ativan
tranquilizer (trade name Ativan) used to treat anxiety and tension and insomnia
 
atlas
a figure of a man used as a supporting column
 
ATM
an unattended machine (outside some banks) that dispenses money when a personal coded card is used
 
atmometer
an instrument that measures rate of evaporation of water
 
atomic clock
a timepiece that derives its time scale from the vibration of atoms or molecules
 
atomic cocktail
an oral dose of radioactive substance used in treatment and diagnosis of cancer
 
atomic pile
a nuclear reactor that uses controlled nuclear fission to generate energy
 
atomic warhead
the warhead of a missile designed to deliver an atom bomb
 
atomic weapon
a weapon of mass destruction whose explosive power derives from a nuclear reaction
 
atomiser
a dispenser that turns a liquid (such as perfume) into a fine mist
 
atrium
the central area in a building; open to the sky
 
Atromid-S
a drug (trade name Atromid-S) that reduces lipids in the blood serum; used to treat some cardiovascular diseases
 
atropine
a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
 
Atrovent
an inhaled bronchodilator (trade name Atrovent)
 
attache
a shallow and rectangular briefcase
 
attachment
a supplementary part or accessory
 
attachment
a connection that fastens things together
 
attack aircraft
a high-speed military or naval airplane designed to destroy enemy aircraft in the air
 
attack submarine
a military submarine designed and armed to attack enemy shipping
 
attenuator
an electrical device for attenuating the strength of an electrical signal
 
attic
(architecture) a low wall at the top of the entablature; hides the roof
 
attic fan
a fan that blows heated air out of the attic of a building
 
attic
floor consisting of open space at the top of a house just below roof; often used for storage
 
attire
clothing of a distinctive style or for a particular occasion
 
auberge
a hotel providing overnight lodging for travelers
 
auction block
a platform from which an auctioneer sells
 
audio
the sound elements of television
 
audio amplifier
an amplifier that increases the amplitude of reproduced sound
 
audio CD
compact discs used to reproduce sound (voice and music)
 
audio system
a system of electronic equipment for recording or reproducing sound
 
audio
a recording of acoustic signals
 
audiocassette
a cassette for audiotape
 
audiogram
a graphical representation of a person's auditory sensitivity to sound
 
audiometer
an instrument used to measure the sensitivity of hearing
 
audiotape
magnetic tape for use in recording sound
 
audiotape
a tape recording of sound
 
audiovisual
materials using sight or sound to present information
 
auditorium
the area of a theater or concert hall where the audience sits
 
Augean stables
(Greek mythology) the extremely dirty stables that were finally cleaned by Hercules who diverted two rivers through them
 
auger
hand tool for boring holes
 
auger
a long flexible steel coil for dislodging stoppages in curved pipes
 
Augmentin
an antibiotic; a semisynthetic oral penicillin (trade names Amoxil and Larotid and Polymox and Trimox and Augmentin) used to treat bacterial infections
 
Aureomycin
a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases
 
auriscope
medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
 
Auschwitz
a Nazi concentration camp for Jews in southwestern Poland during World War II
 
auto accessory
an accessory for an automobile
 
auto factory
a factory where automobiles are manufactured
 
auto part
a component of an automobile
 
auto tire
a tire consisting of a rubber ring around the rim of an automobile wheel
 
auto
a motor vehicle with four wheels; usually propelled by an internal combustion engine
 
auto-changer
an automatic mechanical device on a record player that causes new records to be played without manual intervention
 
autobahn
an expressway in a German-speaking country
 
autobus
a vehicle carrying many passengers; used for public transport
 
autoclave
a device for heating substances above their boiling point; used to manufacture chemicals or to sterilize surgical instruments
 
autocue
a device that displays words for people to read
 
autofocus
an optical device for focussing a camera or other instrument automatically
 
autogiro
an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
 
autograph album
an album for autographs
 
autoinjector
a hypodermic syringe to use in injecting yourself with a liquid
 
autoloader
a firearm that reloads itself
 
automat
a cafeteria where food is served from machines
 
automat
a vending machine from which you can get food
 
automatic choke
a choke that automatically controls the flow of air to the carburetor
 
automatic drive
a transmission that automatically changes the gears according to the speed of the car
 
automatic firearm
a firearm that reloads itself and keeps firing until the trigger is released
 
automatic pilot
a navigational device that automatically keeps ships or planes or spacecraft on a steady course
 
automatic washer
a home appliance for washing clothes and linens automatically
 
automatic
a pistol that will keep firing until the ammunition is gone or the trigger is released
 
automatic
light machine gun
 
automation
equipment used to achieve automatic control or operation
 
automaton
a mechanism that can move automatically
 
automobile battery
a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system
 
automobile engine
the engine that propels an automobile
 
automobile horn
a device on an automobile for making a warning noise
 
automobile trunk
compartment in an automobile that carries luggage or shopping or tools
 
automotive vehicle
a self-propelled wheeled vehicle that does not run on rails
 
autoradiograph
a radiogram produced by radiation emitted by the specimen being photographed
 
autostrada
an expressway in an Italian-speaking country
 
autotype
an exact copy or reproduction
 
auxiliary airfield
an airfield that functions in a subsidiary capacity
 
auxiliary boiler
(nautical) an extra boiler (as a ship's boiler that is used while the ship is in port)
 
auxiliary engine
(nautical) a small engine (as one used on board ships to operate a windlass)
 
auxiliary equipment
electronic equipment not in direct communication (or under the control of) the central processing unit
 
auxiliary pump
a supplementary pump available if needed
 
auxiliary research submarine
a submarine for research purposes
 
auxiliary storage
a data storage device that is not the main memory of a computer
 
aventail
a medieval hood of mail suspended from a basinet to protect the head and neck
 
avenue
a wide street or thoroughfare
 
aviary
a building where birds are kept
 
awl
a pointed tool for marking surfaces or for punching small holes
 
awning deck
a deck at the top of a passenger ship
 
awning
a canopy made of canvas to shelter people or things from rain or sun
 
ax handle
the handle of an ax
 
ax head
the cutting head of an ax
 
ax
an edge tool with a heavy bladed head mounted across a handle
 
axis
the center around which something rotates
 
axle
a shaft on which a wheel rotates
 
axle bar
an iron bar that serves as an axletree
 
axletree
a dead axle on a carriage or wagon that has terminal spindles on which the wheels revolve
 
Azactam
an antibiotic (trade name Azactam) used against severe infections; has minimal side effects
 
B battery
battery for supplying a constant positive voltage to the plate of a vacuum tube
 
B-52
United States military aircraft; B- stands for bomber
 
B-flat clarinet
the ordinary clarinet with a middle range
 
babushka
a woman's headscarf folded into a triangle and tied under the chin; worn by Russian peasant women
 
baby bed
a small bed for babies; enclosed by sides to prevent the baby from falling
 
baby buggy
a small vehicle with four wheels in which a baby or child is pushed around
 
baby grand
a small grand piano
 
baby oil
an ointment for babies
 
baby powder
powder used to prevent a baby's diaper from chafing
 
baby shoe
a shoe designed to be worn by infants
 
baby's dummy
device used for an infant to suck or bite on
 
baby's room
a child's room for a baby
 
baby-walker
an enclosing framework on casters or wheels; helps babies learn to walk
 
baccy
leaves of the tobacco plant dried and prepared for smoking or ingestion
 
bacitracin
a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally
 
back
the part of a garment that covers the back of your body
 
back brace
a brace worn to support the back
 
back door
an entrance at the rear of a building
 
back pack
a bag carried by a strap on your back or shoulder
 
back porch
a porch for the back door
 
back room
a room located in the rear of an establishment; usually accessible only to privileged groups
 
back saw
a handsaw that is stiffened by metal reinforcement along the upper edge
 
back
a support that you can lean against while sitting
 
back
the protective covering on the front, back, and spine of a book
 
back
the side that goes last or is not normally seen
 
backband
a broad band that passes over the back of a horse and supports the shafts of a vehicle
 
backbench
any of the seats occupied by backbenchers in the House of Commons
 
backboard
a board used to support the back of someone or something
 
backboard
a raised vertical board with basket attached; used to play basketball
 
backbone
the part of a network that connects other networks together
 
backbone
the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
 
backcloth
scenery hung at back of stage
 
backgammon board
the board on which backgammon is played
 
background
(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
 
backhoe
an excavator whose shovel bucket is attached to a hinged boom and is drawn backward to move earth
 
backing
something forming a back that is added for strengthening
 
backlighting
lighting from behind
 
backpacking tent
a tent that can be carried in a backpack
 
backplate
plate armor protecting the back; worn as part of a cuirass
 
backroom
the meeting place of a group of leaders who make their decisions via private negotiations
 
backscratcher
a long-handled scratcher for scratching your back
 
backseat
a seat at the back of a vehicle (especially the seat at the back of an automobile)
 
backspace
the typewriter key used for back spacing
 
backstage
a stage area out of sight of the audience
 
backstairs
a second staircase at the rear of a building
 
backstay
a stay that supports the back of something
 
backstitch
an overlapping stitch made by starting the next stitch at the middle of the preceding one
 
backstop
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field
 
backsword
a sword with only one cutting edge
 
backsword
a stick used instead of a sword for fencing
 
backup system
a computer system for making backups
 
backup
(computer science) a copy of a file or directory on a separate storage device
 
backyard
the grounds in back of a house
 
bacteria bed
layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
 
badminton court
the court on which badminton is played
 
badminton equipment
equipment for playing the game of badminton
 
badminton racket
a light long-handled racket used by badminton players
 
baffle
a flat plate that controls or directs the flow of fluid or energy
 
bag
a flexible container with a single opening
 
bag
a place that the runner must touch before scoring
 
bag
a portable rectangular container for carrying clothes
 
bag
a container used for carrying money and small personal items or accessories (especially by women)
 
bagatelle
something of little value or significance
 
baggage
the portable equipment and supplies of an army
 
baggage car
a railway car where passengers' bags are carried
 
baggage claim
an area in an airport where arriving passengers can collect the luggage that has been carried in the hold of the aircraft
 
baggage
cases used to carry belongings when traveling
 
bagger
a machine for putting objects or substances into bags
 
bagging
coarse fabric used for bags or sacks
 
bagnio
a building containing public baths
 
bagnio
a building where prostitutes are available
 
bagpipe
a tubular wind instrument; the player blows air into a bag and squeezes it out through the drone
 
bailey
the outer defensive wall that surrounds the outer courtyard of a castle
 
bailey
the outer courtyard of a castle
 
Bailey bridge
a temporary bridge designed for rapid construction
 
bain-marie
a large pan that is filled with hot water; smaller pans containing food can be set in the larger pan to keep food warm or to cook food slowly
 
bait
something used to lure fish or other animals into danger so they can be trapped or killed
 
baize
a bright green fabric napped to resemble felt; used to cover gaming tables
 
bakehouse
a workplace where baked goods (breads and cakes and pastries) are produced or sold
 
baking tray
a cooking utensil consisting of a flat rectangular metal sheet used for baking cookies or biscuits
 
balaclava
a cap that is close-fitting and woolen and covers all of the head but the face
 
balalaika
a stringed instrument that has a triangular body and three strings
 
balance
a scale for weighing; depends on pull of gravity
 
balance beam
a gymnastic apparatus used by women gymnasts
 
balance
a wheel that regulates the rate of movement in a machine; especially a wheel oscillating against the hairspring of a timepiece to regulate its beat
 
balance
a weight that balances another weight
 
balbriggan
a cotton knit fabric used for underwear
 
balcony
a platform projecting from the wall of a building and surrounded by a balustrade or railing or parapet
 
balcony
an upper floor projecting from the rear over the main floor in an auditorium
 
baldachin
ornamented canopy supported by columns or suspended from a roof or projected from a wall (as over an altar)
 
baldric
a wide (ornamented) belt worn over the right shoulder to support a sword or bugle by the left hip
 
bale
a large bundle bound for storage or transport
 
baling wire
wire used to make bales
 
balk
one of several parallel sloping beams that support a roof
 
ball
round object that is hit or thrown or kicked in games
 
ball
a spherical object used as a plaything
 
ball and chain
heavy iron ball attached to a prisoner by a chain
 
ball bearing
bearings containing small metal balls
 
ball cartridge
a general purpose cartridge having a primer and a ball and a full charge of powder
 
ball cock
floating ball that controls level in a water tank
 
ball field
the baseball playing field
 
ball gown
the most formal gown; worn to a ball
 
ball valve
any valve that checks flow by the seating of a ball
 
ball
a solid projectile that is shot by a musket
 
ball-and-socket joint
a joint that can rotate within a socket
 
ball-peen hammer
a hammer with one round and one flat end; used in working metal
 
ballast
any heavy material used to stabilize a ship or airship
 
ballast
a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
 
ballast
an electrical device for starting and regulating fluorescent and discharge lamps
 
balldress
a suit or dress for formal occasions
 
ballet skirt
very short skirt worn by ballerinas
 
ballistic capsule
a craft capable of traveling in outer space; technically, a satellite around the sun
 
ballistic galvanometer
a moving-coil galvanometer that measures electric charge
 
ballistic missile
a missile that is guided in the first part of its flight but falls freely as it approaches target
 
ballistic pendulum
a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
 
ballistocardiograph
a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
 
balloon
large tough nonrigid bag filled with gas or heated air
 
balloon
small thin inflatable rubber bag with narrow neck
 
balloon sail
any light loose sail
 
balloon seat
a seat that has a bell shape (on some 18th century chairs)
 
ballot box
a box where voters deposit their ballots
 
ballpark
a facility in which ball games are played (especially baseball games)
 
ballroom
large room used mainly for dancing
 
balm
semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation
 
Balmoral
a brimless dark blue Scottish cap with a flat top and a plume on one side
 
balmoral
a sturdy laced walking shoe
 
balsam
an ointment containing a fragrant resin
 
baluster
one of a number of closely spaced supports for a railing
 
balusters
a railing at the side of a staircase or balcony to prevent people from falling
 
banana boat
a ship designed to transport bananas
 
band
a thin flat strip of flexible material that is worn around the body or one of the limbs (especially to decorate the body)
 
band
a restraint put around something to hold it together
 
band
a thin flat strip or loop of flexible material that goes around or over something else, typically to hold it together or as a decoration
 
band
a driving belt in machinery
 
Band Aid
trade name for an adhesive bandage to cover small cuts or blisters
 
band saw
an endless saw consisting of a toothed metal band that is driven around two wheels
 
band
an adornment consisting of a strip of a contrasting color or material
 
band
a strip of material attached to the leg of a bird to identify it (as in studies of bird migration)
 
band
jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger
 
bandage
a piece of soft material that covers and protects an injured part of the body
 
bandana
large and brightly colored handkerchief; often used as a neckerchief
 
bandbox
a light cylindrical box for holding light articles of attire (especially hats)
 
bandeau
an undergarment worn by women to support their breasts
 
banderilla
a decorated dart that is implanted in the neck or shoulders of the bull during a bull fight
 
bandoleer
a broad cartridge belt worn over the shoulder by soldiers
 
bandoneon
a type of concertina popular in South America
 
bandstand
a platform where a (brass) band can play in the open air
 
bandwagon
a large ornate wagon for carrying a musical band
 
bangalore torpedo
a metal pipe filled with explosive, used to detonate land mines or to clear a path through barbed wire
 
banger
firework consisting of a small explosive charge and fuse in a heavy paper casing
 
bangle
cheap showy jewelry or ornament on clothing
 
bangle
jewelry worn around the wrist for decoration
 
banian
a loose fitting jacket; originally worn in India
 
banjo
a stringed instrument of the guitar family that has long neck and circular body
 
bank vault
a strongroom or compartment (often made of steel) for safekeeping of valuables
 
bank
a building in which the business of banking transacted
 
bank
a container (usually with a slot in the top) for keeping money at home
 
banner
any distinctive flag
 
banner
long strip of cloth or paper used for decoration or advertising
 
banquette
an upholstered bench
 
baptismal font
bowl for baptismal water
 
bar
a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
 
bar
an obstruction (usually metal) placed at the top of a goal
 
bar
a counter where you can obtain food or drink
 
bar
(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried
 
bar
a heating element in an electric fire
 
bar
a horizontal rod that serves as a support for gymnasts as they perform exercises
 
bar bit
a bit for horses that is a solid bar of metal
 
bar magnet
a magnet in the form of a bar with magnetic poles at each end
 
bar mask
a catcher's mask with bars
 
bar printer
an impact printer that uses a bar to carry the type slugs
 
bar soap
soap in the form of a bar
 
bar
a room or establishment where alcoholic drinks are served over a counter
 
bar
a block of solid substance (such as soap or wax)
 
barb
a subsidiary point facing opposite from the main point that makes an arrowhead or spear hard to remove
 
barb
the pointed part of barbed wire
 
barbacan
a tower that is part of a defensive structure (such as a castle)
 
barbecue
a rack to hold meat for cooking over hot charcoal usually out of doors
 
barbed wire
strong wire with barbs at regular intervals used to prevent passage
 
barbell
a bar to which heavy discs are attached at each end; used in weightlifting
 
barber chair
a large fixed adjustable chair in which barbers seat their customers
 
barbershop
a shop where men can get their hair cut
 
barbette
(formerly) a mound of earth inside a fort from which heavy gun can be fired over the parapet
 
barbette carriage
a gun carriage elevated so that the gun can be fired over the parapet
 
barbital
a barbiturate used as a hypnotic
 
barbiturate
organic compound having powerful soporific effect; overdose can be fatal
 
bard
an ornamental caparison for a horse
 
bareboat
a vessel (such as a yacht) that can be chartered without a captain or crew or provisions
 
barge pole
a long pole used to propel or guide a barge
 
barge
a flatbottom boat for carrying heavy loads (especially on canals)
 
bargello
needlepoint embroidery stitch that produces zigzag lines
 
baritone
the second lowest brass wind instrument
 
bark
a sailing ship with 3 (or more) masts
 
barn
an outlying farm building for storing grain or animal feed and housing farm animals
 
barn door
the large sliding door of a barn
 
barndoor
an opaque adjustable flap on a lamp fixture; used in photography to cut off light from particular areas
 
barnyard
a yard adjoining a barn
 
barograph
a recording barometer; automatically records on paper the variations in atmospheric pressure
 
barometer
an instrument that measures atmospheric pressure
 
barong
a knife resembling a cleaver; used in the Philippines
 
barouche
a horse-drawn carriage having four wheels; has an outside seat for the driver and facing inside seats for two couples and a folding top
 
barrack
a building or group of buildings used to house military personnel
 
barrage balloon
an elongated tethered balloon or blimp with cables or net suspended from it to deter enemy planes that are flying low
 
barrel knot
a knot used for tying fishing leaders together; the ends of the two leaders are wrapped around each other two or three times
 
barrel organ
a musical instrument that makes music by rotation of a cylinder studded with pegs
 
barrel vault
the simplest form of vault; a single continuous arch
 
barrel
a cylindrical container that holds liquids
 
barrel
a tube through which a bullet travels when a gun is fired
 
barrelhouse
a cheap drinking and dancing establishment
 
barrette
a pin for holding women's hair in place
 
barricade
a barrier (usually thrown up hastily) to impede the advance of an enemy
 
barricade
a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
 
barrier
a structure or object that impedes free movement
 
barrier strip
a junction unit for connecting 2 cables without the need for plugs
 
barrow
(archeology) a heap of earth placed over prehistoric tombs
 
barrow
a cart for carrying small loads; has handles and one or more wheels
 
bars
gymnastic apparatus consisting of two parallel wooden rods supported on uprights
 
bas relief
a sculptural relief in which forms extend only slightly from the background; no figures are undercut
 
bascule
a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw)
 
base
(electronics) the part of a transistor that separates the emitter from the collector
 
base
a flat bottom on which something is intended to sit
 
base
the principal ingredient of a mixture
 
base
installation from which a military force initiates operations
 
base
lowest support of a structure
 
base
the stock of basic facilities and capital equipment needed for the functioning of a country or area
 
base
a support or foundation
 
baseball
a ball used in playing baseball
 
baseball bat
an implement used in baseball by the batter
 
baseball cap
a cap with a bill
 
baseball card
a trading card with a picture of a baseball player and information about his playing record
 
baseball diamond
the area of a baseball field that is enclosed by 3 bases and home plate
 
baseball equipment
equipment used in playing baseball
 
baseball glove
the handwear used by fielders in playing baseball
 
baseboard
a molding covering the joint formed by a wall and the floor
 
basement
the ground floor facade or interior in Renaissance architecture
 
basement
the lowermost portion of a structure partly or wholly below ground level; often used for storage
 
basic point defense missile system
a shipboard missile system
 
basic
(usually in the plural) a necessary commodity for which demand is constant
 
basilica
an early Christian church designed like a Roman basilica; or a Roman Catholic church or cathedral accorded certain privileges
 
basilisk
ancient brass cannon
 
basin
a bowl-shaped vessel; usually used for holding food or liquids
 
basin
a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face
 
basinet
a medieval steel helmet
 
basket hilt
a hilt with a basket-shaped guard for the hand
 
basket weave
a cloth woven of two or more threads interlaced to suggest the weave of a basket
 
basket
horizontal circular metal hoop supporting a net through which players try to throw the basketball
 
basket
a container that is usually woven and has handles
 
basket-handle arch
a round arch whose inner curve is drawn with circles having three centers
 
basketball
an inflated ball used in playing basketball
 
basketball court
the court on which basketball is played
 
basketball equipment
sports equipment used in playing basketball
 
bass
the member with the lowest range of a family of musical instruments
 
bass clarinet
a large clarinet whose range is an octave below the B-flat clarinet
 
bass drum
a large drum with two heads; makes a sound of indefinite but very low pitch
 
bass fiddle
largest and lowest member of the violin family
 
bass guitar
the guitar with six strings that has the lowest pitch
 
bass horn
the lowest brass wind instrument
 
bass viol
viol that is the bass member of the viol family with approximately the range of the cello
 
basset horn
a tenor clarinet; pitched in the key of F below the B-flat clarinet
 
basset oboe
an oboe pitched an octave below the ordinary oboe
 
bassinet
a basket (usually hooded) used as a baby's bed
 
bassinet
a perambulator that resembles a bassinet
 
bassoon
a double-reed instrument; the tenor of the oboe family
 
bastard
derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin
 
baste
a loose temporary sewing stitch to hold layers of fabric together
 
baster
a tube with a rubber bulb used to take up and release melted fat or gravy in order to moisten roasting meat
 
bastille
a jail or prison (especially one that is run in a tyrannical manner)
 
Bastille
a fortress built in Paris in the 14th century and used as a prison in the 17th and 18th centuries; it was destroyed July 14, 1789 at the start of the French Revolution
 
bastinado
a cudgel used to give someone a beating on the soles of the feet
 
bastion
projecting part of a rampart or other fortification
 
bastion
a stronghold into which people could go for shelter during a battle
 
basuco
low-grade cocaine mixed with coca paste and cannabis
 
bat
a club used for hitting a ball in various games
 
bat
the club used in playing cricket
 
bat
a small racket with a long handle used for playing squash
 
bateau bridge
a temporary bridge built over a series of pontoons
 
bath
a vessel containing liquid in which something is immersed (as to process it or to maintain it at a constant temperature or to lubricate it)
 
bath chair
a wheelchair usually pushed by an attendant, as at a spa
 
bath linen
linens for use in the bathroom
 
bath mat
a heavy towel or mat to stand on while drying yourself after a bath
 
bath oil
a scented oil added to your bath water
 
bath powder
a fine powder for spreading on the body (as after bathing)
 
bath salts
a preparation that softens or scents a bath
 
bath soap
soap used as a toiletry
 
bath towel
a large towel; to dry yourself after a bath
 
bathhouse
a building containing dressing rooms for bathers
 
bathing cap
a tight-fitting cap that keeps hair dry while swimming
 
bathing costume
tight fitting garment worn for swimming
 
bathing trunks
swimsuit worn by men while swimming
 
bathing tub
a relatively large open container that you fill with water and use to wash the body
 
bathometer
an instrument that measures the depth of water
 
bathrobe
a loose-fitting robe of towelling; worn after a bath or swim
 
bathroom
a room (as in a residence) containing a bathtub or shower and usually a washbasin and toilet
 
bathroom cleaner
a preparation for cleaning bathrooms
 
bathroom fixture
any fixture in a bathroom
 
bathroom
a room or building equipped with one or more toilets
 
bathyscape
navigable deep diving vessel for underwater exploration
 
bathysphere
spherical deep diving apparatus (lowered by a cable) for underwater exploration
 
batik
a dyed fabric; a removable wax is used where the dye is not wanted
 
batiste
a thin plain-weave cotton or linen fabric; used for shirts or dresses
 
baton
a hollow cylinder passed from runner to runner in a relay race
 
baton
a hollow metal rod that is wielded or twirled by a drum major or drum majorette
 
baton
a short staff carried by some officials to symbolize an office or an authority
 
Baton Rouge Bridge
a cantilever bridge across the Mississippi at Baton Rouge
 
baton
a short stout club used primarily by policemen
 
baton
a thin tapered rod used by a conductor to lead an orchestra or choir
 
batten
a strip fixed to something to hold it firm
 
batten
stuffing made of rolls or sheets of cotton wool or synthetic fiber
 
batter's box
an area on a baseball diamond (on either side of home plate) marked by lines within which the batter must stand when at bat
 
battering ram
a ram used to break down doors of fortified buildings
 
battery charger
a device that can hold a rechargeable battery by means of an electrical cable
 
battery
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
 
battery
a series of stamps operated in one mortar for crushing ores
 
batting cage
a movable screen placed behind home base to catch balls during batting practice
 
batting glove
a glove worn by batters in baseball to give a firmer grip on the bat
 
batting helmet
a helmet worn by the batter in baseball
 
battle cruiser
a cruiser of maximum speed and firepower
 
battle dress
a military uniform designed for field service
 
battle flag
a flag that leads troops into battle
 
battle sight
an arrangement of sights that makes possible the rapid aiming of a firearm at short ranges
 
battle-ax
a broadax used as a weapon
 
battlement
a rampart built around the top of a castle with regular gaps for firing arrows or guns
 
battleship
large and heavily armoured warship
 
batwing
one of a pair of swinging doors (as at the entrance to a western saloon)
 
bay
a compartment in an aircraft used for some specific purpose
 
bay
a compartment on a ship between decks; often used as a hospital
 
bay rum
an aromatic liquid originally obtained by distilling the leaves of the bayberry tree with rum
 
bay window
a window that sticks out from the outside wall of a house
 
bay wreath
(antiquity) a wreath of laurel foliage worn on the head as an emblem of victory
 
Baycol
an oral drug (trade name Baycol) to reduce blood cholesterol levels
 
bayonet
a knife that can be fixed to the end of a rifle and used as a weapon
 
Bayonne Bridge
a steel arch bridge connecting New Jersey and Staten Island at Bayonne, New Jersey
 
bazaar
a shop where a variety of goods are sold
 
bazaar
a street of small shops (especially in Orient)
 
bazooka
a portable rocket launcher used by infantrymen as an antitank weapon
 
BB gun
an air gun in which BBs are propelled by compressed air
 
BB shot
a small pellet fired from an air rifle or BB gun
 
bbs
a computer that is running software that allows users to leave messages and access information of general interest
 
beach ball
large and light ball; for play at the seaside
 
beach buggy
a recreational vehicle with large tires used on beaches or sand dunes
 
beach chair
a folding chair for use outdoors; a wooden frame supports a length of canvas
 
beach house
a house built on or near a beach
 
beach towel
very large towel to dry yourself after swimming
 
beach waggon
a car that has a long body and rear door with space behind rear seat
 
beachwear
clothing to be worn at a beach
 
beacon
a tower with a light that gives warning of shoals to passing ships
 
beacon
a radio station that broadcasts a directional signal for navigational purposes
 
bead
a small ball with a hole through the middle
 
bead and quirk
beading formed with a narrow groove separating it from the surface it decorates
 
beading plane
a plane with a concave blade for making moulding with beadwork
 
beading
ornamentation with beads
 
beads
several beads threaded together on a string
 
beaker
a cup (usually without a handle)
 
beaker
a flatbottomed jar made of glass or plastic; used for chemistry
 
beam
long thick piece of wood or metal or concrete, etc., used in construction
 
beam
the broad side of a ship
 
beam balance
a balance consisting of a lever with two equal arms and a pan suspended from each arm
 
beam scale
a portable balance consisting of a pivoted bar with arms of unequal length
 
beanbag
a small cloth bag filled with dried beans; thrown in games
 
beanie
a small skullcap; formerly worn by schoolboys and college freshmen
 
bear claw
an incised design resembling the claw of a bear; used in Native American pottery
 
bearing
a rotating support placed between moving parts to allow them to move easily
 
bearing rein
a rein designed to keep the horse's head in the desired position
 
bearing wall
any wall supporting a floor or the roof of a building
 
bearskin
tall hat; worn by some British soldiers on ceremonial occasions
 
beater
an implement for beating
 
beating-reed instrument
a musical instrument that sounds by means of a vibrating reed
 
beauty parlor
a shop where hairdressers and beauticians work
 
beauty spot
a spot that is worn on a lady's face for adornment
 
beaver
a movable piece of armor on a medieval helmet used to protect the lower face
 
beaver board
a light wallboard made of compressed wood pulp
 
beaver
a hat made with the fur of a beaver (or similar material)
 
beaver
a man's hat with a tall crown; usually covered with silk or with beaver fur
 
becket
(nautical) a short line with an eye at one end and a knot at the other; used to secure loose items on a ship
 
becket bend
a hitch used for temporarily tying a rope to the middle of another rope (or to an eye)
 
Beckman thermometer
a mercury thermometer that measures small differences or changes in temperature
 
bed
a piece of furniture that provides a place to sleep
 
bed
a plot of ground in which plants are growing
 
bed
a foundation of earth or rock supporting a road or railroad track
 
bed
the flat surface of a printing press on which the type form is laid in the last stage of producing a newspaper or magazine or book etc.
 
bed and breakfast
an overnight boardinghouse with breakfast
 
bed clothing
coverings that are used on a bed
 
bed cover
decorative cover for a bed
 
bed jacket
a lightweight jacket worn over bedclothes (as when sitting in bed)
 
bed linen
linen or cotton articles for a bed (as sheets and pillowcases)
 
bed of flowers
a bed in which flowers are growing
 
bed of roses
a flower bed in which roses are growing
 
bed pillow
a soft pillow for use on a bed
 
bed sheet
bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs
 
bed
single thickness of usually some homogeneous substance
 
bedchamber
a room used primarily for sleeping
 
bedding
material used to provide a bed for animals
 
Bedford cord
a heavy corded fabric similar to corduroy; used for clothing
 
bedframe
the framework of a bed
 
Bedlam
pejorative terms for an insane asylum
 
bedpan
a shallow vessel used by a bedridden patient for defecation and urination
 
bedpost
any of 4 vertical supports at the corners of a bedstead
 
bedroll
bedding rolled up for carrying
 
bedroom furniture
furniture intended for use in a bedroom
 
bedsit
a furnished sitting room with sleeping accommodations (and some plumbing)
 
bedspring
(usually in the plural) one of the springs holding up the mattress of a bed
 
beefcake
a photograph of a muscular man in minimal attire
 
beehive
any workplace where people are very busy
 
beehive
a man-made receptacle that houses a swarm of bees
 
beeper
an electronic device that generates a series of beeps when the person carrying it is being paged
 
beer barrel
a barrel that holds beer
 
beer bottle
a bottle that holds beer
 
beer can
a can that holds beer
 
beer garden
tavern with an outdoor area (usually resembling a garden) where beer and other alcoholic drinks are served
 
beer glass
a relatively large glass for serving beer
 
beer hall
a hall or barroom featuring beer and (usually) entertainment
 
beer mat
a drip mat placed under a glass of beer
 
beer mug
a mug intended for serving beer
 
beetle
a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing
 
belaying pin
a wood or metal bar to which a rope can be secured (as on a ship or in mountain climbing)
 
belfry
a room (often at the top of a tower) where bells are hung
 
belfry
a bell tower; usually stands alone unattached to a building
 
bell
a hollow device made of metal that makes a ringing sound when struck
 
bell
the flared opening of a tubular device
 
bell arch
a round arch resting on corbels
 
bell cot
a small shelter for bells; has a gable or shed roof
 
bell deck
a floor under the bells of an open belfry
 
bell foundry
a foundry where bells are cast
 
bell gable
an extension of a gable that serves as a bell cote
 
bell glass
a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
 
bell push
a button that is pushed to ring a bell
 
bell tent
a bell-shaped tent
 
bell tower
a tower that supports or shelters a bell
 
bell
a push button at an outer door that gives a ringing or buzzing signal when pushed
 
bell
a percussion instrument consisting of a set of tuned bells that are struck with a hammer; used as an orchestral instrument
 
belladonna
an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
 
bellarmine
a stoneware drinking jug with a long neck; decorated with a caricature of Cardinal Bellarmine (17th century)
 
bellbottom pants
(used in the plural) trousers with legs that flare; worn by sailors; absurdly wide hems were fashionable in the 1960s
 
bellows
(used in the plural) a mechanical device that blows a strong current of air; used to make a fire burn more fiercely or to sound a musical instrument
 
bellpull
a handle or cord that is pulled to ring a doorbell or a servant's bell etc.
 
bellyband
a strap around the belly of a draft animal holding the shafts of a wagon
 
bellyband
a cloth band that is worn around the waist (as on infants until the navel has healed)
 
Belmont Park
a racetrack for thoroughbred racing in Elmont on Long Island; site of the Belmont Stakes
 
Belsen
a Nazi concentration camp for Jews created in northwestern Germany during World War II
 
belt
a band to tie or buckle around the body (usually at the waist)
 
belt
endless loop of flexible material between two rotating shafts or pulleys
 
belt bag
a small pouch (usually with a zipper) that attaches to a belt and is worn around the waist
 
belt buckle
the buckle used to fasten a belt
 
belt
ammunition (usually of small caliber) loaded in flexible linked strips for use in a machine gun
 
belting
the material of which belts are made
 
beltway
a highway that encircles an urban area so that traffic does not have to pass through the center
 
belvedere
a gazebo sited to command a fine view
 
bema
area around the altar of a church for the clergy and choir; often enclosed by a lattice or railing
 
Benadryl
antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness
 
bench
a long seat for more than one person
 
bench
(law) the seat for judges in a courtroom
 
bench clamp
a clamp used to hold work in place on a workbench
 
bench hook
any of various stops on a workbench against which work can be pushed (as while chiseling or planing)
 
bench lathe
lathe mounted on a workbench
 
bench press
a small punch press mounted on a workbench
 
bench vise
a holding device attached to a workbench; has two jaws to hold workpiece firmly in place
 
bench
a strong worktable for a carpenter or mechanic
 
bend
diagonal line traversing a shield from the upper right corner to the lower left
 
bend
curved segment (of a road or river or railroad track etc.)
 
bender
a tool for bending
 
Benjamin Franklin Bridge
a suspension bridge across the Delaware River
 
bentwood
wood that is steamed until it becomes pliable and then is shaped for use in making furniture
 
Benzedrine
a form of amphetamine
 
benzocaine
a white crystalline ester used as a local anesthetic
 
benzodiazepine
any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency
 
beret
a cap with no brim or bill; made of soft cloth
 
berlin
a limousine with a glass partition between the front and back seats
 
berm
a narrow edge of land (usually unpaved) along the side of a road
 
Bermudian rig
a rig of triangular sails for a yacht
 
berretta
a stiff cap with ridges across the crown; worn by Roman Catholic clergy
 
berth
a bed on a ship or train; usually in tiers
 
besom
a broom made of twigs tied together on a long handle
 
Bessemer converter
a refractory-lined furnace used to convert pig iron into steel by the Bessemer process
 
beta blocker
any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
 
beta-interferon
a form of interferon that is produced by fibroblasts and have antiviral effects; used in the treatment of multiple sclerosis
 
betatron
accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
 
bethel
a house of worship (especially one for sailors)
 
betting shop
a licensed bookmaker's shop that is not at the race track
 
bevatron
a cyclotron that accelerates protons up to several billion electron volts
 
bevel gear
gears that mesh at an angle
 
bevel
a hand tool consisting of two rules that are hinged together so you can draw or measure angles of any size
 
bevel
two surfaces meeting at an angle different from 90 degrees
 
Bextra
a Cox-2 inhibitor (trade name Bextra) that relieves pain and inflammation without harming the digestive tract
 
bezel
a sloping edge on a cutting tool
 
bhang
a preparation of the leaves and flowers of the hemp plant; much used in India
 
bi-fold door
an interior door
 
bib
a napkin tied under the chin of a child while eating
 
bib
top part of an apron; covering the chest
 
bib-and-tucker
an attractive outfit
 
bicorn
a cocked hat with the brim turned up to form two points
 
bicycle chain
a chain that transmits the power from the pedals to the rear wheel of a bicycle
 
bicycle clip
a clip worn around a cyclist's ankles that keeps trousers from becoming caught in the bicycle chain
 
bicycle pump
a small pump that fills bicycle tires with air
 
bicycle rack
a rack for parking bicycles
 
bicycle seat
a seat for the rider of a bicycle
 
bicycle wheel
the wheel of a bicycle
 
bicycle
a wheeled vehicle that has two wheels and is moved by foot pedals
 
bicycle-built-for-two
a bicycle with two sets of pedals and two seats
 
bidet
a basin for washing genitals and anal area
 
bier
a stand to support a corpse or a coffin prior to burial
 
bier
a coffin along with its stand
 
bifocals
(plural) eyeglasses having two focal lengths, one for near vision and the other for far vision
 
Big Ben
clock in the clock tower of the Houses of Parliament, London
 
Big Blue
a reliable and deadly 15,000-pound fragmentation bomb that explodes just above ground with a large radius; the largest conventional bomb in existence; used in Afghanistan
 
big board
the large display board at the New York Stock Exchange that reports on stocks traded on the exchange
 
big dipper
elevated railway in an amusement park (usually with sharp curves and steep inclines)
 
big H
street names for heroin
 
big hand
points to the minutes
 
big top
a canvas tent to house the audience at a circus performance
 
biggin
a child's tight-fitting cap; often ties under the chin
 
bight
the middle part of a slack rope (as distinguished from its ends)
 
bijou
a small and delicately worked piece
 
bike
a motor vehicle with two wheels and a strong frame
 
bikini pants
(used in the plural) small and tight-fitting underpants; worn by women
 
bikini
a woman's very brief bathing suit
 
bilge
where the sides of the vessel curve in to form the bottom
 
bilge keel
either of two lengthwise fins attached along the outside of a ship's bilge; reduces rolling
 
bilge pump
a pump to remove bilgewater
 
bilge well
(nautical) a well where seepage drains to be pumped away
 
bilges
in a vessel with two hulls, an enclosed area between the frames at each side
 
bill
a cutting tool with a sharp edge
 
bill
a brim that projects to the front to shade the eyes
 
billboard
large outdoor signboard
 
billet
lodging for military personnel (especially in a private home)
 
billfold
a pocket-size case for holding papers and paper money
 
billiard ball
ball used in playing billiards
 
billiard hall
a room in which billiards is played
 
billiard marker
a device for keeping the score in a game of billiards
 
billiard table
game equipment consisting of a heavy table on which pool is played
 
bimetallic strip
a strip consisting of two metals that bends with a rise in temperature
 
bin
a container; usually has a lid
 
bin liner
a plastic bag used to line a trash or garbage bin
 
binder
something used to tie or bind
 
binder
a machine that cuts grain and binds it in sheaves
 
binder
holds loose papers or magazines
 
bindery
a workshop where books are bound
 
binding
strip sewn over or along an edge for reinforcement or decoration
 
binding
one of a pair of mechanical devices that are attached to a ski and that will grip a ski boot; the bindings should release in case of a fall
 
binnacle
a nonmagnetic housing for a ship's compass (usually in front of the helm)
 
binocular microscope
a light microscope adapted to the use of both eyes
 
binoculars
(plural) an optical instrument designed for simultaneous use by both eyes
 
bio lab
a laboratory for biological research
 
bioarm
any weapon usable in biological warfare
 
biochip
a microchip that uses tiny strands of DNA to latch onto and quickly recognize thousands of genes at a time; intended for use in a biological environment
 
biohazard suit
a loose one-piece garment worn to protect the wearer against dangerous biological or chemical agents
 
bioscope
a kind of early movie projector
 
bioscope
a South African movie theater
 
biplane
old fashioned airplane; has two wings one above the other
 
biprism
an optical device for obtaining interference fringes
 
birch bark
a canoe made with the bark of a birch tree
 
birch
a switch consisting of a twig or a bundle of twigs from a birch tree; used to hit people as punishment
 
bird feeder
an outdoor device that supplies food for wild birds
 
bird shot
small lead shot for shotgun shells
 
bird
badminton equipment consisting of a ball of cork or rubber with a crown of feathers
 
bird-scarer
an effigy in the shape of a man to frighten birds away from seeds
 
birdbath
an ornamental basin (usually in a garden) for birds to bathe in
 
birdcage
a cage in which a bird can be kept
 
birdcage mask
a catcher's mask with a strong wire face
 
birdcall
a device for imitating a birdcall
 
birdhouse
a shelter for birds
 
Biro
a pen that has a small metal ball as the point of transfer of ink to paper
 
birth control device
an agent or device intended to prevent conception
 
bishop
(chess) a piece that can be moved diagonally over unoccupied squares of the same color
 
bishop's throne
a throne that is the official chair of a bishop
 
bistro
a small informal restaurant; serves wine
 
bit
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
 
bit
piece of metal held in horse's mouth by reins and used to control the horse while riding
 
bit
the part of a key that enters a lock and lifts the tumblers
 
bite plate
a removable dental appliance that is worn in the palate for diagnostic or therapeutic purposes
 
bitewing
a dental X-ray film that can be held in place by the teeth during radiography
 
bitmap
an image represented as a two dimensional array of brightness values for pixels
 
bitstock
a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring
 
bitt pin
a pin through the bitthead to keep the mooring lines from slipping off
 
bitt
a strong post (as on a wharf or quay or ship for attaching mooring lines)
 
bitter end
(nautical) the inboard end of a line or cable especially the end that is wound around a bitt
 
bitthead
the upper end of a bitt
 
bitumastic
a protective coating of asphalt and filter used on structural metals that are exposed to weathering
 
bivouac
temporary living quarters specially built by the army for soldiers
 
black
black clothing (worn as a sign of mourning)
 
black
(board games) the darker pieces
 
black and white
a black-and-white photograph or slide
 
black box
equipment that records information about the performance of an aircraft during flight
 
Black Hole of Calcutta
a dungeon (20 feet square) in a fort in Calcutta where as many as 146 English prisoners were held overnight by Siraj-ud-daula; the next morning only 23 were still alive
 
black lotion
a mixture of calomel and limewater that is used on syphilitic sores
 
black Maria
van used by police to transport prisoners
 
black tie
a black bow tie worn with a dinner jacket
 
black tie
semiformal evening dress for men
 
blackboard eraser
an eraser that removes chalk marks from blackboard
 
blackboard
sheet of slate; for writing with chalk
 
blackface
the makeup (usually burnt cork) used by a performer in order to imitate a Negro
 
blackjack
a piece of metal covered by leather with a flexible handle; used for hitting people
 
Blackwall hitch
a simple hitch used for temporarily attaching a line to a hook
 
blackwash
a wash that colors a surface black
 
bladder
a bag that fills with air
 
blade
the flat part of a tool or weapon that (usually) has a cutting edge
 
blade
the part of the skate that slides on the ice
 
blade bit
a drilling bit with cutting edges usually hardened against wear
 
blade
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
 
blade
flat surface that rotates and pushes against air or water
 
blank
a piece of material ready to be made into something
 
blank
a cartridge containing an explosive charge but no bullet
 
blank
a blank gap or missing part
 
blanket
a layer of lead surrounding the highly reactive core of a nuclear reactor
 
blanket stitch
a strong reinforcing stitch for edges of blanket and other thick material; similar to buttonhole stitch
 
blanket
bedding that keeps a person warm in bed
 
Blarney Stone
a stone in a castle in Ireland that is said to impart skill in flattery to anyone who kisses it
 
blast furnace
a furnace for smelting of iron from iron oxide ores; combustion is intensified by a blast of air
 
blasting cap
a small tube filled with detonating substances; used to detonate high explosives
 
blasting gelatin
mixture of guncotton with nitroglycerin
 
blazer
lightweight single-breasted jacket; often striped in the colors of a club or school
 
bleachers
(used in the plural) an outdoor grandstand without a roof; patrons are exposed to the sun as linens are when they are bleached
 
blender
an electrically powered mixer with whirling blades that mix or chop or liquefy foods
 
blimp
a small nonrigid airship used for observation or as a barrage balloon
 
blind
a hiding place sometimes used by hunters (especially duck hunters)
 
blind alley
a street with only one way in or out
 
blind bend
a curve or bend in the road that you cannot see around as you are driving
 
blind corner
a street corner that you cannot see around as you are driving
 
blind
a protective covering that keeps things out or hinders sight
 
blinder
blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side
 
blindfold
a cloth used to cover the eyes
 
bling
flashy, ostentatious jewelry
 
blinker
a light that flashes on and off; used as a signal or to send messages
 
blister pack
packaging in which a product is sealed between a cardboard backing and clear plastic cover
 
Blocadren
a beta blocker (trade name Blocadren) administered after heart attacks
 
block
a solid piece of something (usually having flat rectangular sides)
 
block
housing in a large building that is divided into separate units
 
block and tackle
pulley blocks with associated rope or cable
 
block diagram
a diagram showing the interconnections between the components of system (especially an electronic system)
 
block plane
a small plane used on end grains of wood
 
block
an obstruction in a pipe or tube
 
block
a metal casting containing the cylinders and cooling ducts of an engine
 
block
a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
 
blockade
prevents access or progress
 
blockade-runner
a ship that runs through or around a naval blockade
 
blockbuster
a large bomb used to demolish extensive areas (as a city block)
 
blocker
a class of drugs that inhibit (block) some biological process
 
blockhouse
a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire
 
bloodmobile
a motor vehicle equipped to collect blood donations
 
bloomers
(used in the plural) underpants worn by women
 
blouse
a top worn by women
 
blow drier
a hand-held electric blower that can blow warm air onto the hair; used for styling hair
 
blow tube
a tube through which darts can be shot by blowing
 
blow tube
a tube that directs air or gas into a flame to concentrate heat
 
blower
a device that produces a current of air
 
blower
a fan run by an electric motor
 
blowhole
a hole for the escape of gas or air
 
blowlamp
a burner that mixes air and gas to produce a very hot flame
 
blowup
a photographic print that has been enlarged
 
blucher
a high shoe with laces over the tongue
 
bludgeon
a club used as a weapon
 
blue
blue clothing
 
blue chip
a blue poker chip with the highest value
 
blue jeans
(used in the plural) close-fitting trousers of heavy denim for manual work or casual wear
 
blueprint
photographic print of plans or technical drawings etc.
 
blunderbuss
a short musket of wide bore with a flared muzzle
 
blunt file
a file with parallel edges
 
blusher
makeup consisting of a pink or red powder applied to the cheeks
 
boa
a long thin fluffy scarf of feathers or fur
 
board
a flat piece of material designed for a special purpose
 
board rule
a measure used in computing board feet
 
board
electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
 
board
a table at which meals are served
 
board
a vertical surface on which information can be displayed to public view
 
board
a flat portable surface (usually rectangular) designed for board games
 
boarding
a structure of boards
 
boarding house
a private house that provides accommodations and meals for paying guests
 
boardroom
a room where a committee meets (such as the board of directors of a company)
 
boards
(used in the plural) the boarding that surrounds an ice hockey rink
 
boards
(used in the plural) the stage of a theater
 
boardwalk
a walkway made of wooden boards; usually at seaside
 
boat
a small vessel for travel on water
 
boat deck
the upper deck on which lifeboats are stored
 
boat hook
pole-handled hook used to pull or push boats
 
boat paddle
a short light oar used without an oarlock to propel a canoe or small boat
 
boat train
a train taking passengers to or from a port
 
boat whistle
a whistle on a boat that is sounded as a warning
 
boat
a dish (often boat-shaped) for serving gravy or sauce
 
boathouse
a shed at the edge of a river or lake; used to store boats
 
boatswain's chair
a seat consisting of a board and a rope; used while working aloft or over the side of a ship
 
boatyard
a place where boats are built or maintained or stored
 
bob
a hanging weight, especially a metal ball on a string
 
bob
a small float usually made of cork; attached to a fishing line
 
bob
a long racing sled (for 2 or more people) with a steering mechanism
 
bobbin lace
a handmade lace worked on a pillow with threads wound on bobbins; the pattern is marked out on the pillow by pins
 
bobbin
a winder around which thread or tape or film or other flexible materials can be wound
 
bobby pin
a flat wire hairpin whose prongs press tightly together; used to hold bobbed hair in place
 
bobsled
formerly two short sleds coupled together
 
bocce ball
wooden ball that is bowled in the Italian game of bocce
 
bodega
a small Hispanic shop selling wine and groceries
 
bodice
part of a dress above the waist
 
bodkin
a small sharp-pointed tool for punching holes in leather or fabric
 
bodkin
formerly a long hairpin; usually with an ornamental head
 
bodkin
a dagger with a slender blade
 
bodkin
a blunt needle for threading ribbon through loops
 
body
the external structure of a vehicle
 
body armor
armor that protects the wearer's whole body
 
body bag
a bag in which the body of a dead soldier is placed
 
body lotion
lotion applied to the body after bathing
 
body of work
the total output of a writer or artist (or a substantial part of it)
 
body pad
a pad worn by hockey goalkeeper
 
body plethysmograph
plethysmograph consisting of a chamber surrounding the entire body; used in studies of respiration
 
body stocking
a one-piece tight-fitting undergarment for women that covers the torso (and may have sleeves and legs)
 
body suit
a tight-fitting garment of stretchy material that covers the body from the shoulders to the thighs (and may have long sleeves or legs reaching down to the ankles); worn by ballet dancers and acrobats for practice or performance
 
body
a resonating chamber in a musical instrument (as the body of a violin)
 
bodywork
the exterior body of a motor vehicle
 
Bofors gun
an automatic double-barreled antiaircraft gun
 
bogey
an unidentified (and possibly enemy) aircraft
 
boiler
a metal pot for stewing or boiling; usually has a lid
 
boiler
sealed vessel where water is converted to steam
 
boilerplate
thick plate iron used in the production of boilers
 
boilers suit
a loose protective coverall or smock worn over ordinary clothing for dirty work
 
bola
a rope with weights attached to the ends; is thrown to entangle the legs of an animal; of South American origin
 
bola
a cord fastened around the neck with an ornamental clasp and worn as a necktie
 
bolero
a short jacket; worn mostly by women
 
bollock
a pulley-block at the head of a topmast
 
bolo
long heavy knife with a single edge; of Philippine origin
 
bologram
record or recording made by a bolometer
 
bolometer
an instrument that measures heat radiation; extremely sensitive
 
bolster
a pillow that is often put across a bed underneath the regular pillows
 
bolt
a screw that screws into a nut to form a fastener
 
bolt
a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech
 
bolt
a roll of cloth or wallpaper of a definite length
 
bolt cutter
an implement for cutting bolts
 
bolt
the part of a lock that is engaged or withdrawn with a key
 
bolus
a large pill; used especially in veterinary medicine
 
bomb
an explosive device fused to explode under specific conditions
 
bomb rack
a device on an aircraft for carrying bombs
 
bomb
strong sealed vessel for measuring heat of combustion
 
bombard
a large shawm; the bass member of the shawm family
 
bombardon
a tuba that coils over the shoulder of the musician
 
bombazine
a twilled fabric used for dresses; the warp is silk and the weft is worsted
 
bomber
a military aircraft that drops bombs during flight
 
bomber jacket
a jacket gathered into a band at the waist
 
bombie
an unexploded bomblet
 
bomblet
one of the smaller bombs that are released from a cluster bomb
 
bombshell
an explosive bomb or artillery shell
 
bombsight
a sighting device in an aircraft for aiming bombs
 
bond
a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)
 
bone china
fine porcelain that contains bone ash
 
bone-ash cup
a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
 
bones
(used in the plural) a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
 
boneshaker
any wheeled vehicle that is dilapidated and uncomfortable
 
bongo
a small drum; played with the hands
 
bonnet
protective covering consisting of a metal part that covers the engine
 
bonnet
a hat tied under the chin
 
boob tube
an electronic device that receives television signals and displays them on a screen
 
booby prize
a prize given to one who finishes last in a contest
 
booby trap
an explosive mine hidden underground; explodes when stepped on or driven over
 
book
a number of sheets (ticket or stamps etc.) bound together on one edge
 
book bag
a bag in which students carry their books
 
book matches
a paper match that strikes only on a specially prepared surface
 
book
physical objects consisting of a number of pages bound together
 
bookbindery
a bookbinder's workshop; a place for binding books
 
bookcase
a piece of furniture with shelves for storing books
 
bookend
a support placed at the end of a row of books to keep them upright (on a shelf or table)
 
bookmark
a marker (a piece of paper or ribbon) placed between the pages of a book to mark the reader's place
 
bookmobile
a van with shelves of books; serves as a mobile library or bookstore
 
bookshelf
a shelf on which to keep books
 
bookshop
a shop where books are sold
 
boom
any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
 
boom box
a portable stereo
 
boom
a pole carrying an overhead microphone projected over a film or tv set
 
boomerang
a curved piece of wood; when properly thrown will return to thrower
 
booster cable
a jumper that consists of a short piece of wire
 
booster
an amplifier for restoring the strength of a transmitted signal
 
booster
an additional dose that makes sure the first dose was effective
 
booster
the first stage of a multistage rocket
 
boot
footwear that covers the whole foot and lower leg
 
boot
protective casing for something that resembles a leg
 
boot camp
camp for training military recruits
 
boot
an instrument of torture that is used to heat or crush the foot and leg
 
bootee
a slipper that is soft and wool (for babies)
 
booth
a small shop at a fair; for selling goods or entertainment
 
booth
a table (in a restaurant or bar) surrounded by two high-backed benches
 
booth
small area set off by walls for special use
 
boothose
protective stockings worn with or in place of boots
 
bootjack
has V-shaped notch for pulling off boots
 
bootlace
a long lace for fastening boots
 
bootleg
the part of a boot above the instep
 
bootstrap
a strap that is looped and sewn to the top of a boot for pulling it on
 
Bordeaux mixture
antifungal agent consisting of a solution of copper sulphate and quicklime
 
border
a strip forming the outer edge of something
 
border
a decorative recessed or relieved surface on an edge
 
bore bit
a drill for penetrating rock
 
bore
a hole or passage made by a drill; usually made for exploratory purposes
 
boron chamber
an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
 
boron counter tube
a proportional counter tube for counting neutrons
 
borstal
formerly a British reform school for youths considered too young to send to prison
 
bosom
cloth that covers the chest or breasts
 
Bosporus Bridge
a suspension bridge across the Bosporus at Istanbul
 
boss
a circular rounded projection or protuberance
 
Boston rocker
a rocking chair that has a high spindle back and a decorative top panel
 
bota
a wine bottle made of leather
 
botanical
a drug made from part of a plant (as the bark or root or leaves)
 
bottle
a glass or plastic vessel used for storing drinks or other liquids; typically cylindrical without handles and with a narrow neck that can be plugged or capped
 
bottle bank
a place where bottles can be deposited for recycling
 
bottle cork
the plug in the mouth of a bottle (especially a wine bottle)
 
bottle opener
an opener for removing caps or corks from bottles
 
bottle screw
a bottle opener that pulls corks
 
bottle
a vessel fitted with a flexible teat and filled with milk or formula; used as a substitute for breast feeding infants and very young children
 
bottlebrush
a cylindrical brush on a thin shaft that is used to clean bottles
 
bottlecap
a cap that seals a bottle
 
bottleneck
the narrow part of a bottle near the top
 
bottling plant
a plant where beverages are put into bottles with caps
 
bottom
a cargo ship
 
boucle
a fabric of uneven yarn that has an uneven knobby effect
 
boudoir
a lady's bedroom or private sitting room
 
boule
an inlaid furniture decoration; tortoiseshell and yellow and white metal form scrolls in cabinetwork
 
bouncing betty
an antipersonnel land mine
 
bouquet
an arrangement of flowers that is usually given as a present
 
bourdon
a pipe of the bagpipe that is tuned to produce a single continuous tone
 
Bourse
the stock exchange in Paris
 
boutique
a shop that sells women's clothes and jewelry
 
boutonniere
a flower that is worn in a buttonhole
 
bow
a slightly curved piece of resilient wood with taut horsehair strands; used in playing certain stringed instruments
 
bow
a weapon for shooting arrows, composed of a curved piece of resilient wood with a taut cord to propel the arrow
 
bow
a decorative interlacing of ribbons
 
bow and arrow
a weapon consisting of arrows and the bow to shoot them
 
bow tie
a man's tie that ties in a bow
 
bow
a knot with two loops and loose ends; used to tie shoelaces
 
bow
front part of a vessel or aircraft
 
bowed stringed instrument
stringed instruments that are played with a bow
 
Bowie knife
a stout hunting knife with a single edge
 
bowl
a dish that is round and open at the top for serving foods
 
bowl
a round vessel that is open at the top; used chiefly for holding food or liquids
 
bowl
a wooden ball (with flattened sides so that it rolls on a curved course) used in the game of lawn bowling
 
bowl
a large ball with finger holes used in the sport of bowling
 
bowl
a small round container that is open at the top for holding tobacco
 
bowler
a felt hat that is round and hard with a narrow brim
 
bowline
a loop knot that neither slips nor jams
 
bowling alley
a building that contains several alleys for bowling
 
bowling equipment
equipment used in bowling
 
bowling pin
a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target
 
bowling shoe
a special shoe worn when bowling
 
bowsprit
a spar projecting from the bow of a vessel
 
bowstring
the string of an archer's bow
 
box
a (usually rectangular) container; may have a lid
 
box
separate partitioned area in a public place for a few people
 
box
any one of several designated areas on a ball field where the batter or catcher or coaches are positioned
 
box beam
a beam built up from boards; has a hollow rectangular cross section
 
box coat
a short coat that hangs loosely from the shoulders
 
box end wrench
a wrench with a closed loop (a socket) that fits over a nut or bolt head
 
box kite
a kite shaped like a box open at both ends
 
box Kodak
a simple camera shaped like a rectangular box
 
box office
the office where tickets of admission are sold
 
box pleat
a flat double pleat made by folding under the fabric on either side of it
 
box seat
a special seat in a theater or grandstand box
 
box spring
a coiled bedspring in a frame that is covered with cloth
 
box
the driver's seat on a coach
 
box
private area in a theater or grandstand where a small group can watch the performance
 
boxcar
a freight car with roof and sliding doors in the sides
 
boxers
underpants worn by men
 
boxing equipment
equipment used in boxing
 
boxing glove
boxing equipment consisting of big and padded coverings for the fists of the fighters; worn for the sport of boxing
 
boxing ring
a square ring where boxers fight
 
brace
a support that steadies or strengthens something else
 
brace
a rope on a square-rigged ship that is used to swing a yard about and secure it
 
brace and bit
a drill consisting of a bit and a brace to hold and turn it
 
brace wrench
a wrench shaped like a brace (has a handle shaped like a crank) and a socket head
 
brace
an appliance that corrects dental irregularities
 
brace
a structural member used to stiffen a framework
 
brace
elastic straps that hold trousers up (usually used in the plural)
 
bracelet
a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist
 
bracer
a tonic or restorative (especially a drink of liquor)
 
bracket
a support projecting from a wall (as to hold a shelf)
 
brad
a small nail
 
bradawl
an awl for making small holes for brads or small screws
 
braid
trimming used to decorate clothes or curtains
 
brail
a small rope (one of several) used to draw a sail in
 
brail
a small net used to draw fish into a boat
 
brainchild
a product of your creative thinking and work
 
brake
a restraint used to slow or stop a vehicle
 
brake
anything that slows or hinders a process
 
brake band
a band that can be tightened around a shaft to stop its rotation
 
brake cylinder
a cylinder that contains brake fluid that is compressed by a piston
 
brake disk
a disk or plate that is fixed to the wheel; pressure is applied to it by the brake pads
 
brake drum
a hollow cast iron cylinder attached to the wheel that forms part of the brakes
 
brake lining
the lining on the brake shoes that comes in contact with the brake drum
 
brake pad
one of the pads that apply friction to both sides of the brake disk
 
brake pedal
foot pedal that moves a piston in the master brake cylinder
 
brake shoe
a restraint provided when the brake linings are moved hydraulically against the brake drum to retard the wheel's rotation
 
brake system
a braking device consisting of a combination of interacting parts that work to slow a motor vehicle
 
branch line
a railway line connected to a trunk line
 
brand-name drug
a drug that has a trade name and is protected by a patent (can be produced and sold only by the company holding the patent)
 
branding iron
implement used to brand live stock
 
brandy glass
a globular glass with a small top; used for serving brandy
 
brasier
large metal container in which coal or charcoal is burned; warms people who must stay outside for long times
 
brass
an ornament or utensil made of brass
 
brass knuckles
(used in the plural) a small metal weapon; worn over the knuckles on the back of the hand
 
brass monkey
a metal stand that formerly held cannon balls on sailing ships
 
brass
a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece
 
brass
a memorial made of brass
 
brassard
armor plate that protects the arm
 
brasserie
a small restaurant serving beer and wine as well as food; usually cheap
 
brassie
(formerly) a golfing wood with a face more elevated that a driver but less than a spoon
 
brattice
a partition (often temporary) of planks or cloth that is used to control ventilation in a mine
 
bread board
a wooden or plastic board on which dough is kneaded or bread is sliced
 
bread knife
a knife used to cut bread
 
bread-bin
a container used to keep bread or cake in
 
breadbasket
a basket for serving bread
 
break seal
a seal that must be broken when first used and cannot easily be resealed
 
breakable
an article that is fragile and easily broken
 
breaker point
a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs
 
breaker
a device that trips like a switch and opens the circuit when overloaded
 
breakfast area
a place for light meals (usually near a kitchen)
 
breakfast table
a table where breakfast is eaten
 
breakwater
a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
 
breast drill
a portable drill with a plate that is pressed against the chest to force the drill point into the work
 
breast implant
an implant for cosmetic purposes to replace a breast that has been surgically removed
 
breast pocket
a pocket inside of a man's coat
 
breastpin
a decorative pin worn by women
 
breastwork
fortification consisting of a low wall
 
breathalyser
a device that measures chemicals (especially the alcohol content) in a person's expired breath
 
breather
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
 
breathing apparatus
a device that facilitates breathing in cases of respiratory failure
 
breech closer
a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
 
breech
opening in the rear of the barrel of a gun where bullets can be loaded
 
breechcloth
a garment that provides covering for the loins
 
breeches buoy
a life buoy in the form of a ring with short breeches for support; used to transfer people from a ship
 
breeches
(used in the plural) trousers ending above the knee
 
breechloader
a gun that is loaded at the breech
 
breeder reactor
a nuclear reactor that produces more fissile material than it burns
 
breeze block
a light concrete building block made with cinder aggregate
 
Bren gun
a submachine gun operated by gas pressure; used by the British in World War II
 
Brevibloc
intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias
 
brewery
a plant where beer is brewed by fermentation
 
brewpub
a combination brewery and restaurant; beer is brewed for consumption on the premises and served along with food
 
briar
a pipe made from the root (briarroot) of the tree heath
 
bric-a-brac
miscellaneous curios
 
brick
rectangular block of clay baked by the sun or in a kiln; used as a building or paving material
 
brick trowel
a trowel used in masonry
 
brickfield
a place where bricks are made and sold
 
brickkiln
a kiln for making bricks
 
bricklayer's hammer
a hammer used in laying bricks
 
brickwork
masonry done with bricks and mortar
 
bridal gown
a gown worn by the bride at a wedding
 
bridge
a wooden support that holds the strings up
 
bridge
a circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected
 
bridge
an upper deck where a ship is steered and the captain stands
 
bridge
a denture anchored to teeth on either side of missing teeth
 
bridge
the link between two lenses; rests on the nose
 
bridge
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
 
bridged-T
a circuit consisting of a T-network with an additional shunt bridging the two series circuits
 
bridle
headgear for a horse; includes a headstall and bit and reins to give the rider or driver control
 
bridle path
a path suitable for riding or leading horses (but not for cars)
 
bridoon
a bit resembling a snaffle bit; used with a separate curb
 
briefcase
a case with a handle; for carrying papers or files or books
 
briefcase bomb
a bomb consisting of an explosive and timer hidden inside a briefcase
 
briefcase computer
a portable computer housed in a box that resembles a briefcase
 
brig
a penal institution (especially on board a ship)
 
brig
two-masted sailing vessel square-rigged on both masts
 
brigandine
a medieval coat of chain mail consisting of metal rings sewn onto leather or cloth
 
brigantine
two-masted sailing vessel square-rigged on the foremast and fore-and-aft rigged on the mainmast
 
brilliant pebble
a code name for a small computerized heat-seeking missile that was supposed to intercept and destroy enemy missiles
 
brilliantine
a pomade to make the hair manageable and lustrous
 
brim
a circular projection that sticks outward from the crown of a hat
 
brim
the top edge of a vessel or other container
 
briquet
a block made from charcoal or coal dust and burned as fuel
 
bristle
a stiff fiber (coarse hair or filament); natural or synthetic
 
bristle brush
a brush that is made with the short stiff hairs of an animal or plant
 
britches
(used in the plural) informal term for breeches
 
broad arrow
an arrow with a wide barbed head
 
broad gauge
a railroad track (or its width) broader than the standard 56.5 inches
 
broad hatchet
a short-handled hatchet with a broad blade opposite a hammerhead
 
broadax
a large ax with a broad cutting blade
 
broadcast station
a station equipped to broadcast radio or television programs
 
broadcaster
a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions
 
broadcasting studio
a studio where broadcasts originate
 
broadcloth
a closely woven silk or synthetic fabric with a narrow crosswise rib
 
broadcloth
a densely textured woolen fabric with a lustrous finish
 
broadloom
a carpet woven on a wide loom to obviate the need for seams
 
broadside
the whole side of a vessel from stem to stern
 
broadside
all of the armament that is fired from one side of a warship
 
broadsword
a sword with a broad blade and (usually) two cutting edges; used to cut rather than stab
 
brocade
thick heavy expensive material with a raised pattern
 
brochette
a small spit or skewer
 
brogan
a thick and heavy shoe
 
broiler
an oven or part of a stove used for broiling
 
broken arch
an arch with a gap at the apex; the gap is usually filled with some decoration
 
brokerage
place where a broker conducts his business
 
brolly
colloquial terms for an umbrella
 
bronchodilator
a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
 
bronchoscope
a slender tubular instrument used to examine the bronchial tubes
 
Bronx-Whitestone Bridge
a suspension bridge across the East River in New York City
 
bronze
a sculpture made of bronze
 
bronze medal
a trophy made of bronze (or having the appearance of bronze) that is usually awarded for winning third place in a competition
 
brooder
apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
 
Brooklyn Bridge
a suspension bridge across the East River in New York City; opened in 1883
 
broom
a cleaning implement for sweeping; bundle of straws or twigs attached to a long handle
 
broom closet
a small room for storing brooms and other cleaning equipment
 
broom handle
the handle of a broom
 
brougham
a sedan that has no roof over the driver's seat
 
brougham
light carriage; pulled by a single horse
 
Brown University
a university in Rhode Island
 
Browning automatic rifle
a portable .30 caliber automatic rifle operated by gas pressure and fed by cartridges from a magazine; used by United States troops in World War I and in World War II and in the Korean War
 
Browning machine gun
a belt-fed machine gun capable of firing more than 500 rounds per minute; used by United States troops in World War II and the Korean War
 
brownstone
a row house built of brownstone; reddish brown in color
 
brunch coat
a woman's short housecoat or wrapper
 
brush
an implement that has hairs or bristles firmly set into a handle
 
brush
conducts current between rotating and stationary parts of a generator or motor
 
Brussels carpet
a carpet with a strong linen warp and a heavy pile of colored woolen yarns drawn up in uncut loops to form a pattern
 
Brussels lace
fine lace with a raised or applique design
 
bubble
a dome-shaped covering made of transparent glass or plastic
 
bubble chamber
an instrument that records the tracks of ionizing particles
 
bubble jet printer
a kind of ink-jet printer
 
bubbler
any of various devices in which air or some other gas is bubbled through a liquid
 
bubbler
a public fountain to provide a jet of drinking water
 
Buchenwald
a Nazi concentration camp for Jews in World War II that was located in central Germany
 
buck
a framework for holding wood that is being sawed
 
buck
a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting
 
buckboard
an open horse-drawn carriage with four wheels; has a seat attached to a flexible board between the two axles
 
bucket seat
a low single seat as in cars or planes
 
bucket shop
(formerly) a cheap saloon selling liquor by the bucket
 
bucket
a roughly cylindrical vessel that is open at the top
 
buckle
fastener that fastens together two ends of a belt or strap; often has loose prong
 
buckler
armor carried on the arm to intercept blows
 
buckram
a coarse cotton fabric stiffened with glue; used in bookbinding and to stiffen clothing
 
bucksaw
a saw that is set in a frame in the shape of an H; used with both hands to cut wood that is held in a sawbuck
 
buckskins
(used in the plural) breeches made of buckskin
 
buff
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
 
buffer
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
 
buffer
an inclined metal frame at the front of a locomotive to clear the track
 
buffer
a cushion-like device that reduces shock due to an impact
 
buffer
a power tool used to buff surfaces
 
Bufferin
aspirin coated with a substance capable of neutralizing acid (trade name Bufferin)
 
buffet car
a passenger car where food is served in transit
 
buffet
a piece of furniture that stands at the side of a dining room; has shelves and drawers
 
buffet
usually inexpensive bar
 
buffing wheel
a wheel that is covered with soft material
 
bug
a small hidden microphone; for listening secretly
 
buggy whip
a horsewhip once used by a driver of a buggy
 
buggy
a small lightweight carriage; drawn by a single horse
 
bugle
a brass instrument without valves; used for military calls and fanfares
 
bugle
a tubular glass or plastic bead sewn onto clothing for decoration
 
building block
a block of material used in construction work
 
building complex
a whole structure (as a building) made up of interconnected or related structures
 
building supply house
a store where builders can purchase materials for building houses and related structures
 
building
a structure that has a roof and walls and stands more or less permanently in one place
 
built-in bed
a bed that is built in and fixed to a wall
 
built-soap powder
soap in powdered form mixed with alkaline builders
 
bulb
a rounded part of a cylindrical instrument (usually at one end)
 
bulb
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
 
bulkhead
a partition that divides a ship or plane into compartments
 
bull tongue
a heavy plow with a single wide blade; used chiefly in cotton fields
 
bull's-eye
a lantern with a single opening and a sliding panel that can be closed to conceal the light
 
bulla
the round leaden seal affixed to a papal bull
 
bulldog wrench
a wrench designed to provide a firm grip on something
 
bulldozer
large powerful tractor; a large blade in front flattens areas of ground
 
bullet
a high-speed passenger train
 
bullet
a projectile that is fired from a gun
 
bulletin board
a board that hangs on a wall; displays announcements
 
bulletproof vest
a vest capable of resisting the impact of a bullet
 
bullfight
a Spanish or Portuguese or Latin American spectacle; a matador baits and (usually) kills a bull in an arena before many spectators
 
bullhorn
a portable loudspeaker with built-in microphone and amplifier
 
bullion
gold or silver in bars or ingots
 
bullnose
a small carpenter's plane with the cutting edge near the front
 
bullpen
a place on a baseball field where relief pitchers can warm up during a game
 
bullpen
a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily
 
bullring
a stadium where bullfights take place
 
bulwark
a fencelike structure around a deck (usually plural)
 
bulwark
an embankment built around a space for defensive purposes
 
bumboat
a small boat that ferries supplies and commodities for sale to a larger ship at anchor
 
bumper
a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage
 
bumper
a glass filled to the brim (especially as a toast)
 
bumper guard
vertical bars attached to a bumper to prevent locking bumpers with another vehicle
 
bumper jack
a jack for lifting a motor vehicle by the bumper
 
bundle
a package of several things tied together for carrying or storing
 
bung
a plug used to close a hole in a barrel or flask
 
bungalow
a small house with a single story
 
bungee
an elasticized rope
 
bunghole
a hole in a barrel or cask; used to fill or empty it
 
bunk
a rough bed (as at a campsite)
 
bunk
beds built one above the other
 
bunk
a long trough for feeding cattle
 
bunker
a large container for storing fuel
 
bunker
a fortification of earth; mostly or entirely below ground
 
bunker
a hazard on a golf course
 
bunsen
a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
 
bunting
a loosely woven fabric used for flags, etc.
 
bur
small bit used in dentistry or surgery
 
Burberry
a lightweight belted raincoat typically made of tan gabardine with a distinctive tartan lining; named for the original manufacturer
 
burden
weight to be borne or conveyed
 
bureau
furniture with drawers for keeping clothes
 
buret
measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration
 
burglar alarm
a warning device that is tripped off by the occurrence of a burglary
 
burial chamber
a chamber that is used as a grave
 
burial garment
cloth used to cover a corpse in preparation for burial
 
burial vault
a burial chamber (usually underground)
 
burin
a chisel of tempered steel with a sharp point; used for engraving
 
burka
a loose garment (usually with veiled holes for the eyes) worn by Muslim women especially in India and Pakistan
 
burlap bag
a bag made of burlap
 
burlap
coarse jute fabric
 
burn bag
a bag into which secret documents are placed before being burned
 
burn center
a center where patients with severe burns can be treated
 
burner
an apparatus for burning fuel (or refuse)
 
burner
the heating elements of a stove or range on which pots and pans are placed for cooking
 
burnoose
a long hooded cloak woven of wool in one piece; worn by Arabs and Moors
 
burp gun
a fully automatic pistol; a small submachine gun
 
burr
rough projection left on a workpiece after drilling or cutting
 
burr
rotary file for smoothing rough edges left on a workpiece
 
burr drill
a high speed drill that dentists use to cut into teeth
 
burster
a quantity of explosive to be set off at one time
 
bursting explosive
a high explosive that is used to damage the target that is under attack
 
burthen
a variant of `burden'
 
bus depot
a terminal that serves bus passengers
 
bus lane
a traffic lane intended for buses only
 
bus line
an organization responsible for operating a bus transportation system
 
bus
an electrical conductor that makes a common connection between several circuits
 
bus
a car that is old and unreliable
 
bush jacket
a loose fitting jacket; resembles a shirt with four patch pockets and a belt
 
bushel basket
a basket large enough to hold a bushel
 
bushing
an insulating liner in an opening through which conductors pass
 
bushing
a cylindrical metal lining used to reduce friction
 
business establishment
an establishment (a factory or an assembly plant or retail store or warehouse etc.) where business is conducted, goods are made or stored or processed or where services are rendered
 
business line
a particular kind of product or merchandise
 
business office
place of business where professional or clerical duties are performed
 
business suit
a suit of clothes traditionally worn by businessmen
 
buskin
a boot reaching halfway up to the knee
 
BuSpar
a drug (trade name BuSpar) designed specifically for anxiety
 
bust
a sculpture of the head and shoulders of a person
 
bustier
a close-fitting and strapless top without sleeves that is worn by women either as lingerie or for evening dress
 
bustle
a framework worn at the back below the waist for giving fullness to a woman's skirt
 
butacaine
a white crystalline ester that is applied to mucous membranes as a local anesthetic
 
Butazolidin
anti-inflammatory drug (trade name Butazolidin)
 
butcher block
a thick wooden slab formed by bonding together thick laminated strips of unpainted hardwood
 
butcher knife
a large sharp knife for cutting or trimming meat
 
butcher shop
a shop in which meat and poultry (and sometimes fish) are sold
 
butt
a large cask (especially one holding a volume equivalent to 2 hogsheads or 126 gallons)
 
butt hinge
a hinge mortised flush into the edge of the door and jamb
 
butt pack
a waist pack worn with the pouch in back
 
butt shaft
a blunt arrow without a barb; an arrow used for target practice
 
butt weld
a butt joint that is welded
 
butt
thick end of the handle
 
butt
a joint made by fastening ends together without overlapping
 
butt
finely ground tobacco wrapped in paper; for smoking
 
butt
the small unused part of something (especially the end of a cigarette that is left after smoking)
 
butt
sports equipment consisting of an object set up for a marksman or archer to aim at
 
butter churn
a vessel in which cream is agitated to separate butterfat from buttermilk
 
butter dish
a small dish (often with a cover) for holding butter at the table
 
butter knife
a small knife with a dull blade; for cutting or spreading butter
 
butterfly nut
a threaded nut with winglike projections for thumb and forefinger leverage in turning
 
butterfly valve
a valve in a carburetor that consists of a disc that turns and acts as a throttle
 
buttery
a teashop where students in British universities can purchase light meals
 
buttery
a small storeroom for storing foods or wines
 
button
a round fastener sewn to shirts and coats etc to fit through buttonholes
 
button
any artifact that resembles a button
 
button accordion
an accordion with buttons rather than keys
 
button hole
a hole through which buttons are pushed
 
button
an electrical switch operated by pressing
 
button
a device that when pressed will release part of a mechanism
 
buttonhole stitch
a reinforcing looped stitch for edges, as around a buttonhole
 
buttonhook
a hook for pulling a button through a buttonhole
 
buttress
a support usually of stone or brick; supports the wall of a building
 
butyl nitrite
a colorless pungent liquid sometimes used as a stimulant drug by drug abusers
 
buzz saw
a power saw that has a steel disk with cutting teeth on the periphery; rotates on a spindle
 
buzzer
a signaling device that makes a buzzing sound
 
BVD's
trademark for men's underwear
 
BWR
a nuclear reactor that uses water as a coolant and moderator; the water boils in the reactor core and the steam produced can drive a steam turbine
 
bypass capacitor
a capacitor that provides low impedance over certain (high) frequencies
 
bypass
a conductor having low resistance in parallel with another device to divert a fraction of the current
 
bypath
a side road little traveled (as in the countryside)
 
byproduct
a product made during the manufacture of something else
 
byre
a barn for cows
 
byrnie
a long (usually sleeveless) tunic of chain mail formerly worn as defensive armor
 
C
street names for cocaine
 
C battery
battery used to maintain the grid potential in a vacuum tube
 
C-clamp
a clamp in the shape of the letter C
 
C.P.U.
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
 
cab
a compartment at the front of a motor vehicle or locomotive where driver sits
 
cab
small two-wheeled horse-drawn carriage; with two seats and a folding hood
 
cab
a car driven by a person whose job is to take passengers where they want to go in exchange for money
 
cabana
a small tent used as a dressing room beside the sea or a swimming pool
 
cabaret
a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink
 
cabasset
a metal helmet worn by common soldiers in the 16th century
 
caber
a heavy wooden pole (such as the trunk of a young fir) that is tossed as a test of strength (in the Highlands of northern Scotland)
 
cabin
the enclosed compartment of an aircraft or spacecraft where passengers are carried
 
cabin
small room on a ship or boat where people sleep
 
cabin
a small house built of wood; usually in a wooded area
 
cabin car
a car on a freight train for use of the train crew; usually the last car on the train
 
cabin class
a class of accommodations on a ship or train or plane that are less expensive than first class accommodations
 
cabin cruiser
a large motorboat that has a cabin and plumbing and other conveniences necessary for living on board
 
cabin liner
a liner with cabins for passengers
 
cabinet
a piece of furniture resembling a cupboard with doors and shelves and drawers; for storage or display
 
cabinet
housing for electronic instruments, as radio or television
 
cabinet
a storage compartment for clothes and valuables; usually it has a lock
 
cabinetwork
woodwork finished by hand by a cabinetmaker
 
cable
a very strong thick rope made of twisted hemp or steel wire
 
cable car
a conveyance for passengers or freight on a cable railway
 
cable railway
a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars
 
cable
a television system that transmits over cables
 
cable
a conductor for transmitting electrical or optical signals or electric power
 
caboose
the area for food preparation on a ship
 
cache
a hidden storage space (for money or provisions or weapons)
 
cache
(computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics
 
cachet
a seal on a letter
 
caddy
a can for storing tea
 
caesium clock
an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
 
cafe
a small restaurant where drinks and snacks are sold
 
cafeteria
a restaurant where you serve yourself and pay a cashier
 
cafeteria facility
(usually plural) facilities for providing food for employees or visitors
 
cafeteria tray
a tray for carrying your food in a cafeteria
 
caff
informal British term for a cafe
 
caftan
a (cotton or silk) cloak with full sleeves and sash reaching down to the ankles; worn by men in the Levant
 
caftan
a woman's dress style that imitates the caftan cloaks worn by men in the Near East
 
cage
the net that is the goal in ice hockey
 
cage
an enclosure made or wire or metal bars in which birds or animals can be kept
 
cagoule
lightweight parka; waterproof
 
caisson
a two-wheeled military vehicle carrying artillery ammunition
 
caisson
an ornamental sunken panel in a ceiling or dome
 
caisson
large watertight chamber used for construction under water
 
calabash
a pipe for smoking; has a curved stem and a large bowl made from a calabash gourd
 
calabash
bottle made from the dried shell of a bottle gourd
 
calamine lotion
a lotion consisting of a liquid preparation containing calamine; used to treat itching or mild skin irritations
 
calash
the folding hood of a horse-drawn carriage
 
calash
a woman's large folded hooped hood; worn in the 18th century
 
calceus
a shoe covering the ankle; worn by ancient Romans
 
calcimine
a water-base paint containing zinc oxide and glue and coloring; used as a wash for walls and ceilings
 
calcium blocker
any of a class of drugs that block the flow of the electrolyte calcium (either in nerve cell conduction or smooth muscle contraction of the heart); has been used in the treatment of angina or arrhythmia or hypertension or migraine
 
calcium light
a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting
 
calculating machine
a small machine that is used for mathematical calculations; can be mechanical or electronic
 
caldron
a very large pot that is used for boiling
 
calean
an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water
 
Caledonian Canal
a canal in northern Scotland that links North Sea with the Atlantic Ocean; runs diagonally between Moray Firth at the northeastern end and Loch Linnhe at the southwestern end; now little used
 
calender
a machine that smooths or glazes paper or cloth by pressing it between plates or passing it through rollers
 
calico
coarse cloth with a bright print
 
caliper
an instrument for measuring the distance between two points (often used in the plural)
 
calk
a metal cleat on the bottom front of a horseshoe to prevent slipping
 
call box
booth for using a telephone
 
call center
a center equipped to handle a large volume of telephone calls (especially for taking orders or serving customers)
 
call-board
a bulletin board backstage in a theater
 
caller ID
a small display that will show you the telephone number of the party calling you
 
calliope
a musical instrument consisting of a series of steam whistles played from a keyboard
 
Caloosahatchee Canal
a canal that connects Lake Okeechobee with the Caloosahatchee River in southern Florida to form part of the Cross-Florida Waterway
 
calorimeter
a measuring instrument that determines quantities of heat
 
calpac
a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus
 
calumet
a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)
 
cam
a rotating disk shaped to convert circular into linear motion
 
camber arch
an arch with a straight horizontal extrados and a slightly arched intrados
 
cambric
a finely woven white linen
 
Cambridge University
a university in England
 
camcorder
a portable television camera and videocassette recorder
 
camelhair
a soft tan cloth made with the hair of a camel
 
cameo
engraving or carving in low relief on a stone (as in a brooch or ring)
 
camera lens
a lens that focuses the image in a camera
 
camera lucida
an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it
 
camera obscura
a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface
 
camera tripod
a tripod used to support a camera
 
camera
equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
 
camera
television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
 
camion
a low heavy horse cart without sides; used for haulage
 
camion
a large truck designed to carry heavy loads; usually without sides
 
camise
a loose shirt or tunic; originally worn in the Middle Ages
 
camisole
a short negligee
 
camisole
a short sleeveless undergarment for women
 
camlet
a fabric of Asian origin; originally made of silk and camel's hair
 
camlet
a garment made of camlet fabric
 
camo
fabric dyed with splotches of green and brown and black and tan; intended to make the wearer of a garment made of this fabric hard to distinguish from the background
 
camouflage
device or stratagem for concealment or deceit
 
camp
temporary lodgings in the country for travelers or vacationers
 
camp
a penal institution (often for forced labor)
 
camp bed
a small bed that folds up for storage or transport
 
camp chair
a light folding chair
 
camp
shelter for persons displaced by war or political oppression or for religious beliefs
 
camp
a site where care and activities are provided for children during the summer months
 
campaign hat
a broad-brimmed felt hat with a high crown; formerly worn by the United States Army and Marine personnel
 
camper trailer
a trailer equipped for occupancy (especially for holiday trips)
 
camper
a recreational vehicle equipped for camping out while traveling
 
camphor ball
a small sphere of camphor or naphthalene used to keep moths away from stored clothing
 
camphor ice
a cerate made of camphor and wax and spermaceti and castor oil
 
camphorated tincture of opium
medicine used to treat diarrhea
 
campstool
a folding stool
 
camshaft
an engine shaft with cams attached to it
 
can opener
a device for cutting cans open
 
can
a plumbing fixture for defecation and urination
 
can
airtight sealed metal container for food or drink or paint etc.
 
canal
long and narrow strip of water made for boats or for irrigation
 
canal boat
a long boat that carries freight and is narrow enough to be used in canals
 
candelabra
branched candlestick; ornamental; has several lights
 
candid camera
a miniature camera with a fast lens
 
candle holder
a holder with sockets for candles
 
candle
stick of wax with a wick in the middle
 
candlepin
a bowling pin that is thin by comparison with a tenpin
 
candlesnuffer
an implement with a small cup at the end of a handle; used to extinguish the flame of a candle
 
candlewick
the wick of a candle
 
candlewick
loops of soft yarn are cut to give a tufted pattern
 
candy store
a confectioner's shop
 
candy thermometer
a thermometer used to determine the temperature of candy syrups during cooking
 
cane
a stiff switch used to hit students as punishment
 
cane
a stick that people can lean on to help them walk
 
cangue
an instrument of punishment formerly used in China for petty criminals; consists of a heavy wooden collar enclosing the neck and arms
 
caning
work made of interlaced slender branches (especially willow branches)
 
canister
a metallic cylinder packed with shot and used as ammunition in a firearm
 
canister
metal container for storing dry foods such as tea or flour
 
cannabis
the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
 
cannery
a factory where food is canned
 
cannikin
a small can
 
cannikin
a wooden bucket
 
cannon
a large artillery gun that is usually on wheels
 
cannon
heavy automatic gun fired from an airplane
 
cannon
(Middle Ages) a cylindrical piece of armor plate to protect the arm
 
cannon
heavy gun fired from a tank
 
cannon ball
a solid projectile that in former times was fired from a cannon
 
cannon cracker
a large firecracker
 
cannula
a small flexible tube inserted into a body cavity for draining off fluid or introducing medication
 
canoe
small and light boat; pointed at both ends; propelled with a paddle
 
canopic jar
a jar used in ancient Egypt to contain entrails of an embalmed body
 
canopy
a covering (usually of cloth) that serves as a roof to shelter an area from the weather
 
canopy
the umbrellalike part of a parachute that fills with air
 
canopy
the transparent covering of an aircraft cockpit
 
cant dog
a stout lever with a sharp spike; used for handling logs
 
cant hook
a peavey having a hook instead of a spike; used for handling logs
 
canteen
sells food and personal items to personnel at an institution or school or camp etc.
 
canteen
a flask for carrying water; used by soldiers or travelers
 
canteen
restaurant in a factory; where workers can eat
 
canteen
a recreation room in an institution
 
canteen
a restaurant outside; often for soldiers or policemen
 
cantilever
projecting horizontal beam fixed at one end only
 
cantilever bridge
bridge constructed of two cantilevers that meet in the middle
 
cantle
the back of a saddle seat
 
Canton crepe
a soft thick crinkled dress crepe; heavier than crepe de Chine
 
Canton flannel
a stout cotton fabric with nap on only one side
 
canvas
a tent made of canvas fabric
 
canvas
a heavy, closely woven fabric (used for clothing or chairs or sails or tents)
 
canvas
the mat that forms the floor of the ring in which boxers or professional wrestlers compete
 
canvas
an oil painting on canvas fabric
 
canvas
a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
 
cap
a tight-fitting headdress
 
cap
a top (as for a bottle)
 
cap
something serving as a cover or protection
 
cap opener
a bottle opener to pry off caps
 
cap screw
a threaded screw for machine parts; screws into a tapped hole
 
cap
the upper part of a column that supports the entablature
 
cap
(dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
 
cap
a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive
 
capacitance
an electrical device characterized by its capacity to store an electric charge
 
capacitor microphone
microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves
 
caparison
stable gear consisting of a decorated covering for a horse, especially (formerly) for a warhorse
 
cape
a sleeveless garment like a cloak but shorter
 
capeline bandage
bandage that covers the head or an amputation stump like a cap
 
capillary
a tube of small internal diameter; holds liquid by capillary action
 
capital ship
a warship of the first rank in size and armament
 
capitol
a building occupied by a state legislature
 
Capitol Building
the government building in Washington where the United States Senate and the House of Representatives meet
 
capote
a long cloak with a hood that can be pulled over the head
 
capote
a long overcoat with a hood that can be pulled over the head
 
Capoten
a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure
 
capstan
a windlass rotated in a horizontal plane around a vertical axis; used on ships for weighing anchor or raising heavy sails
 
capstone
a stone that forms the top of wall or building
 
capsule
a pill in the form of a small rounded gelatinous container with medicine inside
 
capsule
a small container
 
capsule
a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute
 
capsule
a spacecraft designed to transport people and support human life in outer space
 
captain's chair
a wooden armchair with a saddle seat and a low back that has vertical spindles
 
capuchin
a hooded cloak for women
 
car bomb
a bomb placed in a car and wired to explode when the ignition is started or by remote control or by a timing device
 
car carrier
a trailer that can be loaded with new cars for delivery to sales agencies
 
car door
the door of a car
 
car mirror
a mirror that the driver of a car can use
 
car port
garage for one or two cars consisting of a flat roof supported on poles
 
car seat
a seat in a car
 
car train
a train that transports passengers and their automobiles
 
car transporter
a long truck for carrying motor vehicles
 
car wheel
a wheel that has a tire and rim and hubcap; used to propel the car
 
car window
a window in a car
 
car
where passengers ride up and down
 
car
the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant
 
car
a wheeled vehicle adapted to the rails of railroad
 
car-ferry
a ferry that transports motor vehicles
 
carabiner
an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes
 
carack
a large galleon sailed in the Mediterranean as a merchantman
 
Carafate
medicine consisting of a tablet (trade name Carafate) used to treat peptic ulcers; said to bind to the ulcer site and coat it
 
carafe
a bottle with a stopper; for serving wine or water
 
caravan inn
an inn in some eastern countries with a large courtyard that provides accommodation for caravans
 
caravan
a camper equipped with living quarters
 
carbine
light automatic rifle
 
carbomycin
a colorless basic antibiotic that inhibits the growth of Gram-positive organisms
 
carbon arc
has carbon electrodes
 
carbon dichloride
anthelmintic agent used against hookworm and other nematodes
 
carbon
a copy made with carbon paper
 
carboy
a large bottle for holding corrosive liquids; usually cushioned in a special container
 
carburetor
mixes air with gasoline vapor prior to explosion
 
card
one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes
 
card catalog
an alphabetical listing of items (e.g., books in a library) with a separate card for each item
 
card table
a small light table with folding legs; can be folded for storage
 
card table
a table for playing cards (as in a casino)
 
cardcase
a small case for carrying business cards
 
cardcastle
an unstable construction with playing cards
 
cardiac monitor
a piece of electronic equipment for continual observation of the function of the heart
 
cardigan
knitted jacket that is fastened up the front with buttons or a zipper
 
cardiograph
medical instrument that records electric currents associated with contractions of the heart
 
cardioid microphone
a directional microphone with a cardioid pattern of sensitivity
 
Cardizem
a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure
 
cardroom
a room for gambling on card games
 
Cardura
an antihypertensive drug (trade name Cardura) that works by relaxing blood vessels so that blood passes through them more easily; it is also used to treat benign prostatic hyperplasia
 
cargo area
the space in a ship or aircraft for storing cargo
 
cargo container
a large container for freight
 
cargo door
door used to load or unload cargo
 
cargo hatch
hatch opening into the cargo compartment
 
cargo helicopter
a helicopter that carries cargo
 
cargo liner
a liner that carries cargo
 
cargo ship
a ship designed to carry cargo
 
cargo ships
conveyance provided by the ships belonging to one country or industry
 
cargo
goods carried by a large vehicle
 
carillon
set of bells hung in a bell tower
 
Carling float
a raft to use if a ship must be abandoned in an emergency
 
carminative
medication that prevents the formation of gas in the alimentary tract or eases its passing
 
Carnegie Mellon University
an engineering university in Pittsburgh
 
caroche
a luxurious carriage suitable for nobility in the 16th and 17th century
 
carousel
a conveyer belt that carries luggage to be claimed by air travelers
 
carousel
a large, rotating machine with seats for children to ride or amusement
 
carpenter's hammer
a hammer with a cleft at one end for pulling nails
 
carpenter's kit
a set of carpenter's tools
 
carpenter's level
a straight bar of light metal with a spirit level in it
 
carpenter's mallet
a short-handled mallet with a wooden head used to strike a chisel or wedge
 
carpenter's plane
a carpenter's hand tool with an adjustable blade for smoothing or shaping wood
 
carpenter's rule
a rule used by a carpenter
 
carpenter's saw
a saw used with one hand for cutting wood
 
carpenter's square
a steel square used by carpenters; larger than a try square
 
carpet beater
implement for beating dust out of carpets
 
carpet loom
a loom for weaving carpeting
 
carpet pad
a pad placed under a carpet
 
carpet slipper
low footwear that can be slipped on and off easily; usually worn indoors
 
carpet sweeper
a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet
 
carpet tack
a tack used to nail down carpets
 
carpet
floor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
 
carpetbag
traveling bag made of carpet; widely used in 19th century
 
carrefour
a junction where one street or road crosses another
 
carrel
small individual study area in a library
 
carriage
a machine part that carries something else
 
carriage bolt
a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled
 
carriage house
a small building for housing coaches and carriages and other vehicles
 
carriage wrench
a wrench designed for use with carriage bolts
 
carriage
a railcar where passengers ride
 
carriage
a vehicle with wheels drawn by one or more horses
 
carriageway
one of the two sides of a motorway where traffic travels in one direction only usually in two or three lanes
 
carrick bend
a knot used to connect the ends of two large ropes or hawsers
 
carrick bitt
either of a pair of strong posts that support a windlass on a ship's deck
 
carrier
a rack attached to a vehicle; for carrying luggage or skis or the like
 
carrier
a self-propelled wheeled vehicle designed specifically to carry something
 
carrier bag
a bag made of paper or plastic for holding customer's purchases
 
carron oil
an ointment formerly used to treat burns
 
carryall
a capacious bag or basket
 
carrycot
box-shaped baby bed with handles (for a baby to sleep in while being carried)
 
cart
a heavy open wagon usually having two wheels and drawn by an animal
 
cart track
any road or path affording passage especially a rough one
 
cart
wheeled vehicle that can be pushed by a person; may have one or two or four wheels
 
carton
a box made of cardboard; opens by flaps on top
 
cartouch
a cartridge (usually with paper casing)
 
cartridge
a module designed to be inserted into a larger piece of equipment
 
cartridge
ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun
 
cartridge belt
a broad belt with loops or pockets for holding ammunition
 
cartridge clip
a metal frame or container holding cartridges; can be inserted into an automatic gun
 
cartridge ejector
a mechanism in a firearm that ejects the empty shell case after firing
 
cartridge extractor
a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector
 
cartridge fuse
a fuse cased in a tube
 
cartridge
a light-tight supply chamber holding the film and supplying it for exposure as required
 
cartridge
an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
 
cartwheel
a wheel that has wooden spokes and a metal rim
 
carvedilol
beta blocker that can reduce the progression of heart failure in individuals whose disease is not advanced
 
carving
a sculpture created by removing material (as wood or ivory or stone) in order to create a desired shape
 
carving fork
a large fork used in carving cooked meat
 
carving knife
a large knife used to carve cooked meat
 
caryatid
a supporting column carved in the shape of a person
 
cascabel
a bell attached to a sleigh, or to the harness of a horse that is pulling a sleigh
 
cascade liquefier
an apparatus used to liquefy air or oxygen etc.
 
cascade transformer
a number of transformers in series; provides a high-voltage source
 
case
a portable container for carrying several objects
 
case knife
a metal blade with a handle; used as cutlery
 
case knife
a knife with a fixed blade that is carried in a sheath
 
case
the enclosing frame around a door or window opening
 
case
the housing or outer covering of something
 
case
(printing) the receptacle in which a compositor has his type, which is divided into compartments for the different letters, spaces, or numbers
 
case
a glass container used to store and display items in a shop or museum or home
 
case
bed linen consisting of a cover for a pillow
 
casein
a water-base paint made with a protein precipitated from milk
 
casement
a window sash that is hinged (usually on one side)
 
casement window
a window with one or more casements
 
casern
military barracks in a garrison town
 
cash bar
a counter at a large party where you can purchase drinks by the glass
 
cash register
a cashbox with an adding machine to register transactions; used in shops to add up the bill
 
cashbox
a strongbox for holding cash
 
cashmere
a soft fabric made from the wool of the Cashmere goat
 
casing
the outermost covering of a pneumatic tire
 
casino
a public building for gambling and entertainment
 
casino-hotel
a building that houses both a hotel and a casino
 
casino-hotel
a business establishment that combines a casino and a hotel
 
casket
box in which a corpse is buried or cremated
 
casket
small and often ornate box for holding jewels or other valuables
 
casque
(15-16th century) any armor for the head; usually ornate without a visor
 
casquet
a light open casque without a visor or beaver
 
Cassegrainian telescope
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
 
casserole
large deep dish in which food can be cooked and served
 
cassette
a container that holds a magnetic tape used for recording or playing sound or video
 
cassette deck
a tape deck for playing and recording cassette tapes
 
cassette player
electronic equipment for playing cassettes
 
cassette recorder
a recorder for recording or playing cassettes
 
cassette tape
a cassette that contains magnetic tape
 
cassock
a black garment reaching down to the ankles; worn by priests or choristers
 
cast
object formed by a mold
 
cast
container into which liquid is poured to create a given shape when it hardens
 
cast
bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
 
caster
a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
 
caster
a shaker with a perforated top for sprinkling powdered sugar
 
castile soap
a good hard soap made from olive oil and sodium hydroxide
 
castle
a large building formerly occupied by a ruler and fortified against attack
 
castle
a large and stately mansion
 
castle
(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
 
castor oil
a purgative extracted from the seed of the castor-oil plant; used in paint and varnish as well as medically
 
cat box
a receptacle for cat excrement
 
cat cracker
a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
 
cat rig
rig of a catboat
 
CAT scan
an image produced by scanning
 
CAT scanner
a tomograph that constructs a 3-D model of an object by combining parallel planes
 
cat's-paw
a hitch in the middle of rope that has two eyes into which tackle can be hooked
 
cat
a whip with nine knotted cords
 
catacomb
an underground tunnel with recesses where bodies were buried (as in ancient Rome)
 
catafalque
a decorated bier on which a coffin rests in state during a funeral
 
Cataflam
a nonsteroidal anti-inflammatory drug (trade name Cataflam)
 
catalytic converter
a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system
 
catamaran
a boat with two parallel hulls held together by single deck
 
cataplasm
a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
 
Catapres
an antihypertensive (trade name Catapres) that can be administered orally or via transdermal patches
 
catapult
a device that launches aircraft from a warship
 
catapult
a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
 
catboat
a sailboat with a single mast set far forward
 
catch
a fastener that fastens or locks a door or window
 
catch
a restraint that checks the motion of something
 
catchall
an enclosure or receptacle for odds and ends
 
catcher's mask
a mask to protect the face of the catcher in baseball
 
catchment
a structure in which water is collected (especially a natural drainage area)
 
Caterpillar
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
 
caterpillar track
an endless metal belt on which tracked vehicles move over the ground
 
catgut
a strong cord made from the intestines of sheep and used in surgery
 
cathedral
any large and important church
 
cathedral
the principal Christian church building of a bishop's diocese
 
catherine wheel
a circular firework that spins round and round emitting colored fire
 
catheter
a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open
 
cathode
a negatively charged electrode that is the source of electrons entering an electrical device
 
cathode
the positively charged terminal of a voltaic cell or storage battery that supplies current
 
catholicon
hypothetical remedy for all ills or diseases; once sought by the alchemists
 
catling
a long double-edged knife used for amputations
 
catsup bottle
a bottle that holds catsup
 
cattle boat
a cargo ship for the transport of livestock
 
cattle car
a freight car for transporting cattle
 
cattle farm
farm consisting of a large tract of land along with facilities needed to raise livestock (especially cattle)
 
cattle grid
a bridge over a ditch consisting of parallel metal bars that allow pedestrians and vehicles to pass, but not cattle
 
cattle pen
a pen for cattle
 
cattle trail
a trail over which cattle were driven to market
 
catwalk
narrow pathway high in the air (as above a stage or between parts of a building or along a bridge)
 
catwalk
narrow platform extending out into an auditorium
 
causeway
a road that is raised above water or marshland or sand
 
cauterant
an instrument or substance used to destroy tissue for medical reasons (eg removal of a wart) by burning it with a hot iron or an electric current or a caustic or by freezing it
 
cavalier hat
a soft felt hat with a wide flexible brim
 
cavalry sword
a stout sword with a curved blade and thick back
 
cavetto
a concave molding shaped like a quarter circle in cross section
 
cavity resonator
a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
 
cavity wall
a wall formed of two thicknesses of masonry with a space between them
 
CD
a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
 
CD burner
recording equipment for making compact disks
 
CD drive
a drive that reads a compact disc and that is connected to an audio system
 
CD player
a stand-alone piece of electronic equipment that either has its own display or attaches to a television set
 
CD-ROM
a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user
 
CD-ROM drive
a drive that is connected to a computer and on which a CD-ROM can be `played'
 
CD-WO
a compact disc on which you can write only once and thereafter is read-only memory
 
cedar chest
a chest made of cedar
 
Cefobid
a parenteral cephalosporin (trade name Cefobid) used for severe infections
 
ceiling
the overhead upper surface of a covered space
 
Celebrex
a Cox-2 inhibitor (trade name Celebrex) that relieves pain and inflammation without harming the digestive tract
 
celesta
a musical instrument consisting of graduated steel plates that are struck by hammers activated by a keyboard
 
celestial globe
a globe that is a spherical model of the heavens
 
cell
any small compartment
 
cell
a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver
 
cell
small room in which a monk or nun lives
 
cell
a device that delivers an electric current as the result of a chemical reaction
 
cell
a room where a prisoner is kept
 
cellar
an excavation where root vegetables are stored
 
cellar
storage space where wines are stored
 
cellarage
a storage area in a cellar
 
cellaret
sideboard with compartments for holding bottles
 
cellblock
a division of a prison (usually consisting of several cells)
 
cello
a large stringed instrument; seated player holds it upright while playing
 
cellophane
a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc.
 
Celtic cross
a Latin cross with a ring surrounding the intersection
 
cembalo
a clavier with strings that are plucked by plectra mounted on pivots
 
cement mixer
a machine with a large revolving drum in which cement is mixed with other materials to make concrete
 
cenotaph
a monument built to honor people whose remains are interred elsewhere or whose remains cannot be recovered
 
censer
a container for burning incense (especially one that is swung on a chain in a religious ritual)
 
center bit
a bit with a sharp center point for guidance and two side cutters
 
center punch
a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
 
center
the piece of ground in the outfield directly ahead of the catcher
 
center
a building dedicated to a particular activity
 
center
mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers; usually includes restaurants and a convenient parking area; a modern version of the traditional marketplace
 
centerboard
a retractable fin keel used on sailboats to prevent drifting to leeward
 
centerpiece
something placed at the center of something else (as on a table)
 
Centigrade thermometer
a thermometer calibrated in degrees centigrade
 
central heating
a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators
 
central office
(usually plural) the office that serves as the administrative center of an enterprise
 
central
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
 
centrex
(CENTRal EXchange) a kind of telephone exchange
 
centrifugal pump
a pump that use centrifugal force to discharge fluid into a pipe
 
centrifuge
an apparatus that uses centrifugal force to separate particles from a suspension
 
cephaloridine
a broad spectrum semisynthetic antibiotic produced by modifying cephalosporin
 
cephalothin
a semisynthetic analogue of cephalosporin
 
ceramic
an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures
 
ceramic ware
utensils made from ceramic material
 
cerate
a hard medicated paste made of lard or oil mixed with wax or resin
 
cereal bowl
a bowl for holding breakfast cereal
 
cereal box
a paper box in which breakfast cereals are sold
 
cerecloth
a waterproof waxed cloth once used as a shroud
 
cerement
burial garment in which a corpse is wrapped
 
cervical cap
a contraceptive device consisting of a small thimble-shaped cup that is placed over the uterine cervix to prevent the entrance of spermatozoa
 
cesspit
a covered cistern; waste water and sewage flow into it
 
chachka
(Yiddish) an inexpensive showy trinket
 
chadar
a cloth used as a head covering (and veil and shawl) by Muslim and Hindu women
 
chaff
foil in thin strips; ejected into the air as a radar countermeasure
 
chafing dish
a metal pan over a heater; used to cook or to keep things warm at the table
 
chafing gear
covering (usually rope or canvas) of a line or spar to protect it from friction
 
chain
a series of (usually metal) rings or links fitted into one another to make a flexible ligament
 
chain
anything that acts as a restraint
 
chain
a linked or connected series of objects
 
chain armor
(Middle Ages) flexible armor made of interlinked metal rings
 
chain printer
an impact printer that carries the type slugs by links of a revolving chain
 
chain saw
portable power saw; teeth linked to form an endless chain
 
chain stitch
a looped stitch resembling the links of a chain; used in embroidery and in sewing
 
chain stitch
the most basic of all crochet stitches made by pulling a loop of yarn through another loop
 
chain store
one of a chain of retail stores under the same management and selling the same merchandise
 
chain tongs
a pipe wrench used for turning large pipes; an adjustable chain circles the pipe with its ends connected to the head whose teeth engage the pipe
 
chain wrench
another name for chain tongs
 
chain
a necklace made by stringing objects together
 
chainlink fence
a fence of steel wires woven into a diamond pattern
 
chains
metal shackles; for hands or legs
 
chair
a seat for one person, with a support for the back
 
chair
a particular seat in an orchestra
 
chair car
a passenger car for day travel; you pay extra fare for individual chairs
 
chair lift
a ski lift on which riders (skiers or sightseers) are seated and carried up or down a mountainside; seats are hung from an endless overhead cable
 
chair of state
a ceremonial chair for an exalted or powerful person
 
chair
an instrument of execution by electrocution; resembles an ordinary seat for one person
 
chaise
a long chair; for reclining
 
chaise
a carriage consisting of two wheels and a calash top; drawn by a single horse
 
chalet
a Swiss house with a sloping roof and wide eaves or a house built in this style
 
chalice
a bowl-shaped drinking vessel; especially the Eucharistic cup
 
chalk
a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
 
chalk line
a chalked string used in the building trades to make a straight line on a vertical surface
 
chalk pit
a quarry for chalk
 
challis
a soft lightweight fabric (usually printed)
 
chamber
a natural or artificial enclosed space
 
chamber
a room where a judge transacts business
 
chamberpot
a receptacle for urination or defecation in the bedroom
 
chambray
a lightweight fabric woven with white threads across a colored warp
 
chamfer bit
a bit that is used for beveling
 
chamfer plane
a plane that makes a beveled edge
 
chamfron
medieval plate armor to protect a horse's head
 
chamois cloth
a piece of chamois used for washing windows or cars
 
champagne flute
a tall narrow wineglass
 
chancellery
a government building housing the office of a chancellor
 
chancery
an office of archives for public or ecclesiastic records; a court of public records
 
chandelier
branched lighting fixture; often ornate; hangs from the ceiling
 
chandlery
a storeroom where candles are kept
 
chandlery
candles and other commodities sold by a chandler
 
change
a different or fresh set of clothes
 
change
a thing that is different
 
channel
a passage for water (or other fluids) to flow through
 
Channel Tunnel
the railroad tunnel between France and England under the English Channel
 
chanter
reed pipe with finger holes on which the melody is played
 
chantry
a chapel endowed for singing Masses for the soul of the donor
 
chap
(usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs
 
chapeau
headdress that protects the head from bad weather; has shaped crown and usually a brim
 
chapel
a place of worship that has its own altar
 
chaplet
flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes
 
chapterhouse
a building attached to a monastery or cathedral; used as a meeting place for the chapter
 
chapterhouse
a house used as a residence by a chapter of a fraternity
 
character printer
a printer that prints a single character at a time
 
charcoal
a drawing made with a stick of black carbon material
 
charcoal burner
a stove that burns charcoal as fuel
 
charcoal
a stick of black carbon material used for drawing
 
charcuterie
a delicatessen that specializes in meats
 
charge-exchange accelerator
an accelerator in which high-energy ions escape from plasma following charge exchange
 
chariot
a light four-wheel horse-drawn ceremonial carriage
 
chariot
a two-wheeled horse-drawn battle vehicle; used in war and races in ancient Egypt and Greece and Rome
 
Charlestown Navy Yard
the navy yard in Boston where the frigate `Constitution' is anchored
 
charm
something believed to bring good luck
 
charnel
a vault or building where corpses or bones are deposited
 
chart
a map designed to assist navigation by air or sea
 
charterhouse
a Carthusian monastery
 
Chartres Cathedral
a Gothic cathedral in northern France; built in 13th century
 
chase
a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time
 
chassis
the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor
 
chassis
a metal mounting for the circuit components of an electronic device
 
chasuble
a long sleeveless vestment worn by a priest when celebrating Mass
 
chateau
an impressive country house (or castle) in France
 
chatelaine
a chain formerly worn at the waist by women; for carrying a purse or bunch of keys etc.
 
check
a textile pattern of squares or crossed lines (resembling a checkerboard)
 
checker board
a board having 64 squares of two alternating colors
 
checker
one of the flat round pieces used in playing the game of checkers
 
checkout
a counter in a supermarket where you pay for your purchases
 
checkroom
a room where baggage or parcels are checked
 
cheekpiece
either of two straps of a bridle that connect the bit to the headpiece
 
cheese cutter
a kitchen utensil (board or handle) with a wire for cutting cheese
 
cheese press
a press for shaping cheese curd
 
cheese tray
tray on which cheeses are served
 
cheesecake
a photograph of an attractive woman in minimal attire
 
cheesecloth
a coarse loosely woven cotton gauze; originally used to wrap cheeses
 
chef-d'oeuvre
the most outstanding work of a creative artist or craftsman
 
chem lab
a laboratory for research in chemistry
 
chemical bomb
a bomb laden with chemical agents that are released when the bomb explodes
 
chemical plant
an industrial plant where chemicals are produced
 
chemical reactor
an apparatus for holding substances that are undergoing a chemical reaction
 
chemical weapon
chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
 
chemise
a loose-fitting dress hanging straight from the shoulders without a waist
 
chemise
a woman's sleeveless undergarment
 
Chemnitzer concertina
a hand-held and bellows-driven accordion
 
chenille
a heavy fabric woven with chenille cord; used in rugs and bedspreads
 
chenille
a soft tufted cord used in embroidery
 
cheroot
a cigar with both ends cut flat
 
cherry bomb
a red ball-shaped firecracker with high explosive power
 
chess board
a checkerboard used to play chess
 
chess piece
any of 16 white and 16 black pieces used in playing the game of chess
 
chest
box with a lid; used for storage; usually large and sturdy
 
chest protector
protective garment consisting of a pad worn in baseball by catchers and by football players
 
chesterfield
a fitted overcoat with a velvet collar
 
chesterfield
an overstuffed davenport with upright armrests
 
cheval glass
a full length mirror mounted in a frame in which it can be tilted
 
cheval-de-frise
defensive structure consisting of a movable obstacle composed of barbed wire or spikes attached to a wooden frame; used to obstruct cavalry
 
chevron
an inverted V-shaped charge
 
chiaroscuro
a monochrome picture made by using several different shades of the same color
 
chicane
a movable barrier used in motor racing; sometimes placed before a dangerous corner to reduce speed as cars pass in single file
 
chicken coop
a farm building for housing poultry
 
chicken farm
farm where chickens are raised for sale
 
chicken run
an enclosed yard for keeping poultry
 
chicken wire
a galvanized wire network with a hexagonal mesh; used to build fences
 
chiffon
a sheer fabric of silk or rayon
 
chiffonier
a tall elegant chest of drawers
 
child's room
a bedroom for a child
 
chimney
a vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building
 
chimney breast
walls that project out from the wall of a room and surround the chimney base
 
chimney corner
a corner by a fireplace
 
chimney
a glass flue surrounding the wick of an oil lamp
 
chimneypiece
shelf that projects from wall above fireplace
 
chimneypot
a short earthenware pipe on the top of a chimney to increase the draft
 
chimneystack
the part of the chimney that is above the roof; usually has several flues
 
chin rest
a rest on which a violinist can place the chin
 
chin strap
a strap attached to a hat; passes under the chin and holds the hat in place
 
china
high quality porcelain originally made only in China
 
china cabinet
a cabinet (usually with glass doors) for storing and displaying china
 
china
dishware made of high quality porcelain
 
chinchilla
a thick twilled fabric of wool and cotton
 
Chinese lantern
a collapsible paper lantern in bright colors; used for decorative purposes
 
Chinese puzzle
intricate or ingenious puzzle consisting of boxes within boxes
 
chinning bar
a horizontal bar on which you can chin yourself
 
chino
a coarse twilled cotton fabric frequently used for uniforms
 
chinoiserie
a style in art reflecting Chinese influence; elaborately decorated and intricately patterned
 
chinos
(plural) trousers made with chino cloth
 
chintz
a brightly printed and glazed cotton fabric
 
chip
a triangular wooden float attached to the end of a log line
 
chip
electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
 
chip
a small disk-shaped counter used to represent money when gambling
 
chisel
an edge tool with a flat steel blade with a cutting edge
 
Chisholm Trail
a former cattle trail from San Antonio in Texas to Abilene in Kansas; not used after the 1880s
 
chiton
a woolen tunic worn by men and women in ancient Greece
 
chlamys
a short mantle or cape fastened at the shoulder; worn by men in ancient Greece
 
Chlor-Trimeton
an antihistamine (trade names Coricidin and Chlor-Trimeton)
 
chloral hydrate
a colorless crystalline drug used as a sedative; irritates the stomach and can be addictive
 
chloramine-T
any of several compounds containing chlorine and nitrogen; used as an antiseptic in wounds
 
chlorhexidine
a long-lasting liquid antiseptic; used by surgeons to wash their hands before performing surgery
 
chloroform
a volatile liquid haloform (CHCl3); formerly used as an anesthetic
 
Chloromycetin
an oral antibiotic (trade name Chloromycetin) used to treat serious infections (especially typhoid fever)
 
chloroquine
an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus
 
chock
a block of wood used to prevent the sliding or rolling of a heavy object
 
choir
the area occupied by singers; the part of the chancel between sanctuary and nave
 
choir loft
a gallery in a church occupied by the choir
 
choke
a valve that controls the flow of air into the carburetor of a gasoline engine
 
choke
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current
 
choker
necklace that fits tightly around a woman's neck
 
choker
a high tight collar
 
chokey
British slang (dated) for a prison
 
choo-choo
a child's word for locomotive
 
chop shop
a place where stolen cars are disassembled for their parts
 
chophouse
a restaurant that specializes in steaks
 
chopine
a woman's shoe with a very high thick sole
 
chopper
a butcher's knife having a large square blade
 
chopper
an aircraft without wings that obtains its lift from the rotation of overhead blades
 
chopping block
a steady wooden block on which food can be cut or diced or wood can be split
 
chopping board
a wooden board where meats or vegetables can be cut
 
chopstick
one of a pair of slender sticks used as oriental tableware to eat food with
 
chordophone
a stringed instrument of the group including harps, lutes, lyres, and zithers
 
choropleth map
a map that uses graded differences in shading or color or the placing of symbols inside defined areas on the map in order to indicate the average values of some property or quantity in those areas
 
chrism
a consecrated ointment consisting of a mixture of oil and balsam
 
Christmas stocking
a stocking that is filled with small Christmas presents
 
Christmas tree
an ornamented evergreen used as a Christmas decoration
 
chromatogram
the recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography
 
chromatography column
a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands
 
chronograph
an accurate timer for recording time
 
chronometer
an accurate clock (especially used in navigation)
 
chronoscope
an instrument for accurate measurements of small intervals of time
 
chuck
a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
 
chuck wagon
a wagon equipped with a cookstove and provisions (for cowboys)
 
chukka
a shoe that comes up to the ankle and is laced through two or three pairs of eyelets; often made of suede
 
chum
bait consisting of chopped fish and fish oils that are dumped overboard to attract fish
 
church bell
a bell in a church tower (usually sounded to summon people to church)
 
church bench
long bench with backs; used in church by the congregation
 
church hat
a fanciful hat of the kind worn by Black women for Sunday worship
 
church key
can opener that has a triangular pointed end that pierces the tops of cans
 
church tower
the tower of a church
 
church
a place for public (especially Christian) worship
 
Churchill Downs
a racetrack for thoroughbred racing in Louisville; site of the Kentucky Derby
 
churidars
tight trousers worn by people from the Indian subcontinent (typically with a kameez or kurta)
 
chute
rescue equipment consisting of a device that fills with air and retards your fall
 
chute
sloping channel through which things can descend
 
Cialis
virility drug (trade name Cialis) used to treat erectile dysfunction in men
 
cider mill
mill that extracts juice from apples to make apple cider
 
ciderpress
a press that is used to extract the juice from apples
 
cigar
a roll of tobacco for smoking
 
cigar band
a narrow paper band around a cigar
 
cigar box
a box for holding cigars
 
cigar butt
small part of a cigar that is left after smoking
 
cigar cutter
an implement for cutting the tip off of a cigar
 
cigar lighter
a lighter for cigars or cigarettes
 
cigarette butt
small part of a cigarette that is left after smoking
 
cigarette case
a small flat case for holding cigarettes; can be carried in a purse or a pocket
 
cigarette holder
a tube that holds a cigarette while it is being smoked
 
cigarillo
small cigar or cigarette wrapped in tobacco instead of paper
 
cinch
stable gear consisting of a band around a horse's belly that holds the saddle in place
 
cincture
a band of material around the waist that strengthens a skirt or trousers
 
cinder track
a racetrack paved with fine cinders
 
cine projector
projects successive frames from a reel of film to create moving pictures
 
cine-camera
a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession
 
cine-film
photographic film several hundred feet long and wound on a spool; to be used in a movie camera
 
cinema
a theater where films are shown
 
cinerarium
a niche for a funeral urn containing the ashes of the cremated dead
 
cinquefoil
an ornamental carving consisting of five arcs arranged in a circle
 
Cipro
an oral antibiotic (trade name Cipro) used against serious bacterial infections of the skin or respiratory tract or urinary tract or bones or joints
 
circle
a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
 
circle
a road junction at which traffic streams circularly around a central island
 
circle
any circular or rotating mechanism
 
circlet
decorated metal band worn around the head
 
circuit
an electrical device that provides a path for electrical current to flow
 
circuit
a racetrack for automobile races
 
circuitry
electronic equipment consisting of a system of circuits
 
circular file
a container with an open top; for discarded paper and other rubbish
 
circular plane
a plane with a flexible face that can plane concave or convex surfaces
 
circulating library
library that provides books for use outside the building
 
circus
an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent
 
circus
(antiquity) an open-air stadium for chariot races and gladiatorial games
 
cistern
an artificial reservoir for storing liquids; especially an underground tank for storing rainwater
 
cistern
a tank that holds the water used to flush a toilet
 
cither
a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings
 
cither
a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers
 
city hall
a building that houses administrative offices of a municipal government
 
city university
an urban university in a large city
 
cityscape
painting depicting a city or urban area
 
civic center
a center where the members of a community can gather for social or cultural activities
 
civies
civilian garb as opposed to a military uniform
 
civilian clothing
ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.
 
clack
a simple valve with a hinge on one side; allows fluid to flow in only one direction
 
cladding
a protective covering that protects the outside of a building
 
Claforan
a parenteral cephalosporin (trade name Claforan) used for severe infections of the lungs or throat or ears or urinary tract
 
clamp
a device (generally used by carpenters) that holds things firmly together
 
clamshell
a dredging bucket with hinges like the shell of a clam
 
clapper
metal striker that hangs inside a bell and makes a sound by hitting the side
 
clapperboard
photographic equipment used to synchronize sound and motion picture; boards held in front of a movie camera are banged together
 
clarence
a closed carriage with four wheels and seats for four passengers
 
clarinet
a single-reed instrument with a straight tube
 
clarion
a medieval brass instrument with a clear shrill tone
 
Clark standard cell
a form of voltaic cell once used as a standard for electromotive force
 
claro
a cigar made with light-colored tobacco
 
clasp
a fastener (as a buckle or hook) that is used to hold two things together
 
clasp knife
a large knife with one or more folding blades
 
classic
a creation of the highest excellence
 
classroom
a room in a school where lessons take place
 
clavichord
an early stringed instrument like a piano but with more delicate sound
 
clavier
a bank of keys on a musical instrument
 
claw hatchet
a hatchet that has a cleft for pulling nails
 
claw
a mechanical device that is curved or bent to suspend or hold or pull something
 
claxon
a kind of loud horn formerly used on motor vehicles
 
clay pigeon
target used in skeet or trapshooting
 
clay pipe
a pipe made of clay
 
clay sculpture
sculpture produced by molding
 
claymore
a large double-edged broadsword; formerly used by Scottish Highlanders
 
claymore
an antipersonnel land mine whose blast is aimed at the oncoming enemy
 
clayware
ceramic ware made from clay and baked in a kiln
 
clean bomb
an atom bomb leaving little or no radioactive contamination
 
clean room
a room that is virtually free of dust or bacteria; used in laboratory work and in assembly or repair of precision equipment
 
cleaner
a preparation used in cleaning something
 
cleaners
shop where dry cleaning is done
 
cleaning device
any of a large class of implements used for cleaning
 
cleaning pad
a pad used as a cleaning implement
 
clearstory
part of an interior wall rising above the adjacent roof with windows admitting light
 
clearway
a road on which you are not allowed to stop (unless you have a breakdown)
 
cleat
a strip of wood or metal used to strengthen the surface to which it is attached
 
cleat
a fastener (usually with two projecting horns) around which a rope can be secured
 
cleat
a metal or leather projection (as from the sole of a shoe); prevents slipping
 
cleats
shoes with leather or metal projections on the soles
 
clench
a small slip noose made with seizing
 
clepsydra
clock that measures time by the escape of water
 
clevis
a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.
 
clews
the cords used to suspend a hammock
 
click
a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
 
client
(computer science) any computer that is hooked up to a computer network
 
cliff dwelling
a rock and adobe dwelling built on sheltered ledges in the sides of a cliff
 
climber
an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
 
climbing frame
a framework of bars or logs for children to climb on
 
clinch
the flattened part of a nail or bolt or rivet
 
clincher
a tool used to clinch nails or bolts or rivets
 
clinic
a healthcare facility for outpatient care
 
clinical thermometer
a mercury thermometer designed to measure the temperature of the human body; graduated to cover a range a few degrees on either side of the normal body temperature
 
clink
a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
 
clinker
a hard brick used as a paving stone
 
clinometer
an instrument used by surveyors in order to measure an angle of inclination or elevation
 
Clinoril
a nonsteroidal anti-inflammatory drug (trade name Clinoril)
 
Clioquinol
drug used to treat certain fungal infection (as athlete's foot)
 
clip
any of various small fasteners used to hold loose articles together
 
clip
an article of jewelry that can be clipped onto a hat or dress
 
clip art
ready-made pieces of computerized graphic art that can be used to decorate a document
 
clip joint
a place of entertainment where high prices are charged for poor entertainment
 
clip lead
a short piece of wire with alligator clips on both ends
 
clip-on
a device (as an earring, sunglasses, microphone etc.) that is attached by clips
 
clipboard
a small writing board with a clip at the top for holding papers
 
clipper
scissors for cutting hair or finger nails (often used in the plural)
 
clipper
shears for cutting grass or shrubbery (often used in the plural)
 
clipper
a fast sailing ship used in former times
 
clipper
(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform)
 
cloaca
a waste pipe that carries away sewage or surface water
 
cloak
a loose outer garment
 
cloak
anything that covers or conceals
 
cloakroom
a private lounge off of a legislative chamber
 
cloakroom
a room where coats and other articles can be left temporarily
 
cloche
a woman's close-fitting hat that resembles a helmet
 
cloche
a low transparent cover put over young plants to protect them from cold
 
clock
a timepiece that shows the time of day
 
clock dial
the face of a clock showing hours and minutes of the day
 
clock pendulum
a physical pendulum used to regulate a clockwork mechanism
 
clock radio
a radio that includes a clock that can be set to turn it on automatically
 
clock tower
a tower with a large clock visible high up on an outside face
 
clockwork
any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock
 
clog
any object that acts as a hindrance or obstruction
 
clog
footwear usually with wooden soles
 
cloisonne
enamelware in which colored areas are separated by thin metal strips
 
cloister
a courtyard with covered walks (as in religious institutions)
 
cloister
residence that is a place of religious seclusion (such as a monastery)
 
Clomid
a fertility drug (trade name Clomid) that is used to stimulate ovulation and that has been associated with multiple births
 
clomipramine
a tricyclic antidepressant drug
 
clone
an unauthorized copy or imitation
 
closed circuit
a complete electrical circuit around which current flows or a signal circulates
 
closed loop
a control system with a feedback loop that is active
 
closed-circuit television
a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
 
closet
a small private room for study or prayer
 
closet auger
a snake used to unblock toilets
 
closet
a small room (or recess) or cabinet used for storage space
 
closet
a tall piece of furniture that provides storage space for clothes; has a door and rails or hooks for hanging clothes
 
closeup
a photograph taken at close range
 
closeup lens
a photographic lens with a short focal length used to take pictures at short ranges
 
clot buster
a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle
 
cloth cap
a flat woolen cap with a stiff peak
 
cloth covering
a covering made of cloth
 
cloth
artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
 
clothes basket
a hamper that holds dirty clothes to be washed or wet clothes to be dried
 
clothes closet
a closet where clothes are stored
 
clothes drier
a dryer that dries clothes wet from washing
 
clothes hanger
a hanger that is shaped like a person's shoulders and used to hang garments on
 
clothes peg
wood or plastic fastener; for holding clothes on a clothesline
 
clothes tree
an upright pole with pegs or hooks on which to hang clothing
 
clothesbrush
a brush used for cleaning clothing
 
clotheshorse
a framework on which to hang clothes (as for drying)
 
clothesline
a cord on which clothes are hung to dry
 
clothing store
a store where men's clothes are sold
 
clout
a short nail with a flat head; used to attach sheet metal to wood
 
clove hitch
a knot used to fasten a line temporarily to a post or spar
 
cloverleaf
an interchange that does not require left-hand turns
 
Clozaril
an antipsychotic drug (trade name Clozaril) used as a sedative and for treatment-resistant schizophrenia; know to have few side effects
 
club
stout stick that is larger at one end
 
club
a playing card in the minor suit that has one or more black trefoils on it
 
club car
railroad car having a bar and tables and lounge chairs
 
club drug
a controlled substance that is usually taken by young people at dance clubs and raves
 
club head
(golf) the head of the club which strikes the ball
 
club
a building that is occupied by a social club
 
club
golf equipment used by a golfer to hit a golf ball
 
clubroom
a room used for the activities of a club
 
cluster bomb
bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area
 
clutch
a coupling that connects or disconnects driving and driven parts of a driving mechanism
 
clutch
a woman's strapless purse that is carried in the hand
 
clutch
a pedal or lever that engages or disengages a rotating shaft and a driving mechanism
 
CN Tower
a tower in Toronto; 1815 feet tall for broadcasting widely
 
coach
a carriage pulled by four horses with one driver
 
coal car
freight car with fixed sides and no roof; for transporting coal
 
coal chute
a chute for coal
 
coal house
a shed for storing coal
 
coal mine
a mine where coal is dug from the ground
 
coal scuttle
container for coal; shaped to permit pouring the coal onto the fire
 
coal shovel
a hand shovel for shoveling coal
 
coal tongs
tongs for taking hold of burning coals
 
coalbin
a bin for holding coal
 
coaming
a raised framework around a hatchway on a ship to keep water out
 
coaster
a covering (plate or mat) that protects the surface of a table (i.e., from the condensation on a cold glass or bottle)
 
coaster brake
a brake on a bicycle that engages with reverse pressure on the pedals
 
coaster wagon
a child's four-wheeled toy cart sometimes used for coasting
 
coat
an outer garment that has sleeves and covers the body from shoulder down; worn outdoors
 
coat button
a button on a coat
 
coat closet
a closet for storing outerwear
 
coat of paint
a layer of paint covering something else
 
coat rack
a rack with hooks for temporarily holding coats and hats
 
coat
a thin layer covering something
 
coatdress
a dress that is tailored like a coat and buttons up the front
 
coatee
a short close-fitting coat
 
coating
a heavy fabric suitable for coats
 
coattail
the loose back flap of a coat that hangs below the waist
 
coax
a transmission line for high-frequency signals
 
cobble
rectangular paving stone with curved top; once used to make roads
 
cobbler's last
holding device shaped like a human foot that is used to fashion or repair shoes
 
cobweb
a dense elaborate spider web that is more efficient than the orb web
 
cobweb
a fabric so delicate and transparent as to resemble a web of a spider
 
cobweb
filaments from a web that was spun by a spider
 
coca
dried leaves of the coca plant (and related plants that also contain cocaine); chewed by Andean people for their stimulating effect
 
cocain
a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
 
cock
the part of a gunlock that strikes the percussion cap when the trigger is pulled
 
cock
faucet consisting of a rotating device for regulating flow of a liquid
 
cockade
an ornament (such as a knot of ribbon or a rosette) usually worn on the hat
 
Cockcroft and Walton voltage multiplier
a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube
 
cocked hat
hat with opposing brims turned up and caught together to form points
 
cockhorse
anything used as a toy horse (such as a rocking horse or one knee of an adult)
 
cockleshell
a small light flimsy boat
 
cockloft
a small loft or garret
 
cockpit
compartment where the pilot sits while flying the aircraft
 
cockpit
seat where the driver sits while driving a racing car
 
cockpit
a pit for cockfights
 
cockscomb
a cap worn by court jesters; adorned with a strip of red
 
cocktail dress
a dress suitable for formal occasions
 
cocktail lounge
a barroom in a hotel or restaurant where cocktails are served
 
cocktail shaker
a shaker for mixing cocktails
 
cocktail table
low table where magazines can be placed and coffee or cocktails are served
 
cocotte
a small casserole in which individual portions can be cooked and served
 
codeine
derivative of opium; used as an antitussive (to relieve coughing) and an analgesic (to relieve pain)
 
codpiece
(15th-16th century) a flap for the crotch of men's tight-fitting breeches
 
coelostat
optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror
 
coffee can
a can for storing ground coffee
 
coffee cup
a cup from which coffee is drunk
 
coffee filter
filter (usually of paper) that passes the coffee and retains the coffee grounds
 
coffee grinder
a mill that grinds roasted coffee beans
 
coffee maker
a kitchen appliance for brewing coffee automatically
 
coffee mug
a mug intended for serving coffee
 
coffee stall
a stand (usually movable) selling hot coffee and food (especially at night)
 
coffee urn
an urn in which coffee is made and kept hot
 
coffee-table book
an elaborate oversize book suitable for displaying on a coffee table
 
coffeepot
tall pot in which coffee is brewed
 
coffer
a chest especially for storing valuables
 
Coffey still
a still consisting of an apparatus for the fractional distillation of ethanol from fermentation on an industrial scale
 
cog railway
railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
 
cog
tooth on the rim of gear wheel
 
cogwheel
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
 
coif
a skullcap worn by nuns under a veil or by soldiers under a hood of mail or formerly by British sergeants-at-law
 
coign
the keystone of an arch
 
coign
expandable metal or wooden wedge used by printers to lock up a form within a chase
 
coil
reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
 
coil
tubing that is wound in a spiral
 
coil
a contraceptive device placed inside a woman's womb
 
coil
a transformer that supplies high voltage to spark plugs in a gasoline engine
 
coil spring
a spring in the shape of a coil
 
coil
a structure consisting of something wound in a continuous series of loops
 
coin blank
a flat metal disk ready for stamping as a coin
 
coin box
the part of a slot machine that serves as a receptacle for the coins
 
coin machine
a machine that is operated by the insertion of a coin in a slot
 
coin slot
a slot through which coins can be inserted into a slot machine
 
colander
bowl-shaped strainer; used to wash or drain foods
 
colchicine
an analgesic drug derived from the saffron plant and used to treat gout
 
cold cathode
a cathode that is a source of electrons without being heated
 
cold chisel
narrow chisel made of steel; used to cut stone or bricks
 
cold cream
a cream used cosmetically (mostly by women) for softening and cleaning the skin
 
cold frame
protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold
 
cold medicine
medicine intended to relieve the symptoms of the common cold
 
cold-water flat
an apartment without modern conveniences
 
collage
a paste-up made by sticking together pieces of paper or photographs to form an artistic image
 
collapsible shelter
a portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs)
 
collar
a band of leather or rope that is placed around an animal's neck as a harness or to identify it
 
collar
a short ring fastened over a rod or shaft to limit, guide, or secure a machine part
 
collar
anything worn or placed about the neck
 
collar
a band that fits around the neck and is usually folded over
 
collar
the stitching that forms the rim of a shoe or boot
 
collectable
things considered to be worth collecting (not necessarily valuable or antique)
 
collection plate
a shallow receptacle for collection in church
 
collector
the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
 
collector's item
the outstanding item (the prize piece or main exhibit) in a collection
 
college
a complex of buildings in which an institution of higher education is housed
 
collet
a band or collar that holds an individual stone in a jewelry setting
 
collet
a cone-shaped chuck used for holding cylindrical pieces in a lathe
 
collet
a metal cap or band placed on a wooden pole to prevent splitting
 
collider
an accelerator in which two beams of particles are forced to collide head on
 
colliery
a workplace consisting of a coal mine plus all the buildings and equipment connected with it
 
collimator
optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
 
collimator
a small telescope attached to a large telescope to use in setting the line of the larger one
 
collyrium
lotion consisting of a solution used as a cleanser for the eyes
 
cologne
a perfumed liquid made of essential oils and alcohol
 
colonnade
structure consisting of a row of evenly spaced columns
 
colonoscope
an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum
 
colophon
a publisher's emblem printed in a book (usually on the title page)
 
color wash
a wash of whitewash or other water-base paint tinted with a colored pigment
 
colorimeter
a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
 
coloring book
a picture book with line drawings intended to be colored with crayons by children
 
colors
a flag that shows its nationality
 
colors
a distinguishing emblem
 
Colossus of Rhodes
a huge bronze statue of the sun god Helios that was built around 285 BC and that stood beside the harbor entrance on the island of Rhodes for about 50 years before it was toppled by an earthquake
 
colour TV
a television that transmits images in color
 
colour TV tube
a television tube that displays images in full color
 
Colt
a kind of revolver
 
colter
a sharp steel wedge that precedes the plow and cuts vertically through the soil
 
columbarium
a sepulchral vault or other structure having recesses in the walls to receive cinerary urns
 
columbarium
a birdhouse for pigeons
 
Columbia University
a university in New York City
 
column
(architecture) a tall vertical cylindrical structure standing upright and used to support a structure
 
column
a vertical cylindrical structure standing alone and not supporting anything (such as a monument)
 
comb
a flat device with narrow pointed teeth on one edge; disentangles or arranges hair
 
comb
any of several tools for straightening fibers
 
combat ship
a government ship that is available for waging war
 
comber
a machine that separates and straightens the fibers of cotton or wool
 
combination lock
lock that can be opened only by turning dials in a special sequence
 
combination plane
a woodworking plane that has interchangeable cutters of various shapes
 
combine
harvester that heads and threshes and cleans grain while moving across the field
 
comfort station
a toilet that is available to the public
 
comfort
bedding made of two layers of cloth filled with stuffing and stitched together
 
command key
(computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
 
command module
a space module in which astronauts can live and control the spacecraft and communicate with earth
 
commercial art
art used for commercial purposes (as in advertising)
 
commissary
a retail store that sells equipment and provisions (usually to military personnel)
 
commissary
a snack bar in a film studio
 
commodities exchange
an exchange for buying and selling commodities for future delivery
 
commodity
articles of commerce
 
Commodore John Barry Bridge
a cantilever bridge in Chester, Pennsylvania
 
common room
a sitting room (usually at school or university)
 
communication equipment
facility consisting of the physical plants and equipment for disseminating information
 
communication system
a system for communicating
 
communications satellite
an artificial satellite that relays signals back to earth; moves in a geostationary orbit
 
commutator
switch for reversing the direction of an electric current
 
commuter
a passenger train that is ridden primarily by passengers who travel regularly from one place to another
 
compact
a small and economical car
 
compact
a small cosmetics case with a mirror; to be carried in a woman's purse
 
companionway
a stairway or ladder that leads from one deck to another on a ship
 
compartment
a partitioned section, chamber, or separate room within a larger enclosed area
 
compartment
a space into which an area is subdivided
 
compass
navigational instrument for finding directions
 
compass
drafting instrument used for drawing circles
 
compass card
compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
 
compass saw
a handsaw with a narrow triangular blade for cutting curves
 
component
an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
 
composition
something that is created by arranging several things to form a unified whole
 
compound
an enclosure of residences and other building (especially in the Orient)
 
compound lens
a lens system consisting of two or more lenses on the same axis
 
compound lever
a pair of levers hinged at the fulcrum
 
compound microscope
light microscope that has two converging lens systems: the objective and the eyepiece
 
compound pendulum
pendulum consisting of an actual object allowed to rotate freely around a horizontal axis
 
compress
a cloth pad or dressing (with or without medication) applied firmly to some part of the body (to relieve discomfort or reduce fever)
 
compression bandage
bandage that stops the flow of blood from an artery by applying pressure
 
compressor
a mechanical device that compresses gasses
 
computer accessory
an accessory for a computer
 
computer circuit
a circuit that is part of a computer
 
computer display
a screen used to display the output of a computer to the user
 
computer graphic
an image that is generated by a computer
 
computer graphics
the pictorial representation and manipulation of data by a computer
 
computer hardware
(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
 
computer keyboard
a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard
 
computer memory
an electronic memory device
 
computer monitor
a device that displays signals on a computer screen
 
computer mouse
a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad
 
computer network
(computer science) a network of computers
 
computer peripheral
electronic equipment external to the circuit board that contains the CPU of a computer
 
computer store
a store that sells computers to the small businessperson or personal user
 
computer
a machine for performing calculations automatically
 
concave lens
a lens such that a parallel beam of light passing through it is caused to diverge or spread out
 
concealment
a covering that serves to conceal or shelter something
 
concentration camp
a penal camp where political prisoners or prisoners of war are confined (usually under harsh conditions)
 
concert grand
a grand piano suitable for concert performances
 
concert hall
a hall where concerts are given
 
concertina
free-reed instrument played like an accordion by pushing its ends together to force air through the reeds
 
concertina
coiled barbed wire used as an obstacle
 
concourse
a wide hallway in a building where people can walk
 
condensation pump
vacuum pump used to obtain a high vacuum
 
condenser
a hollow coil that condenses by abstracting heat
 
condenser
an apparatus that converts vapor into liquid
 
condenser
lens used to concentrate light on an object
 
conditioner
a substance used in washing (clothing or hair) to make things softer
 
condo
one of the dwelling units in a condominium
 
condom
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
 
condominium
housing consisting of a complex of dwelling units (as an apartment house) in which each unit is individually owned
 
conducting wire
a metal conductor that carries electricity over a distance
 
conductor
a device designed to transmit electricity, heat, etc.
 
conduit
a passage (a pipe or tunnel) through which water or electric wires can pass
 
cone
any cone-shaped artifact
 
cone clutch
a friction clutch in which the frictional surfaces are cone-shaped
 
Conestoga wagon
a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century
 
Confederate flag
the first flag of the Confederate States of America
 
conference center
a center where conferences can be conducted
 
conference room
a room in which a conference can be held
 
conference table
the table that conferees sit around as they hold a meeting
 
confessional
a booth where a priest sits to hear confessions
 
confetti
small pieces or streamers of colored paper that are thrown around on festive occasions (as at a wedding)
 
conformal projection
a map projection in which a small area is rendered in its true shape
 
conge
(architecture) a concave molding
 
congress boot
an ankle high shoe with elastic gussets in the sides
 
conic projection
a map projection of the globe onto a cone with its point over one of the earth's poles
 
conjunction
something that joins or connects
 
connecter
an instrumentality that connects
 
connecting rod
a rod that transmits motion (especially one that connects a rotating wheel to a reciprocating shaft)
 
connecting room
a hotel room that shares a wall with an adjoining room and is connected by a private door
 
conning tower
a raised bridge on a submarine; often used for entering and exiting
 
conning tower
an armored pilothouse on a warship
 
consciousness-altering drug
a drug that can produce mood changes and distorted perceptions
 
conservatoire
a schoolhouse with special facilities for fine arts
 
conservatory
a greenhouse in which plants are arranged in a pleasing manner
 
console
an ornamental scroll-shaped bracket (especially one used to support a wall fixture)
 
console
a scientific instrument consisting of displays and an input device that an operator can use to monitor and control a system (especially a computer system)
 
console
a small table fixed to a wall or designed to stand against a wall
 
constraint
a device that retards something's motion
 
construction
a thing constructed; a complex entity constructed of many parts
 
consulate
diplomatic building that serves as the residence or workplace of a consul
 
consumer durables
consumer goods that are not destroyed by use
 
consumer goods
goods (as food or clothing) intended for direct use or consumption
 
contact arm
contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
 
contact microphone
a microphone designed to be used in contact with a source of sound (or with a resonating surface)
 
contact print
a print made by exposing a photosensitive surface to direct contact with a photographic negative
 
contact
a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
 
contact
(electronics) a junction where things (as two electrical conductors) touch or are in physical contact
 
container
any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
 
container ship
a cargo ship designed to hold containerized cargoes
 
containment
(physics) a system designed to prevent the accidental release of radioactive material from a reactor
 
content
something (a person or object or scene) selected by an artist or photographer for graphic representation
 
continental quilt
a soft quilt usually filled with the down of the eider
 
contour map
a map having contour lines through points of equal elevation
 
contour sheet
a sheet (usually with elastic edges) tailored to fit a particular mattress
 
contraband
goods whose importation or exportation or possession is prohibited by law
 
contrabassoon
the bassoon that is the largest instrument in the oboe family
 
contraceptive diaphragm
a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
 
contrivance
any improvised arrangement for temporary use
 
control center
the operational center for a group of related activities
 
control circuit
a feedback circuit that subtracts from the input
 
control grid
an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
 
control rod
a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction
 
control room
a room housing control equipment (as in a recording studio)
 
control stick
a lever used by a pilot to control the ailerons and elevators of an airplane
 
control system
a system for controlling the operation of another system
 
control tower
a tower with an elevated workspace enclosed in glass for the visual observation of aircraft around an airport
 
control
a mechanism that controls the operation of a machine
 
controlled substance
a drug or chemical substance whose possession and use are controlled by law
 
convector
a space heater that transfers heat to the surrounding air by convection
 
convenience store
a store selling a limited variety of food and pharmaceutical items; open long hours for the convenience of customers
 
convent
a religious residence especially for nuns
 
conventicle
a building for religious assembly (especially Nonconformists, e.g., Quakers)
 
converging lens
lens such that a beam of light passing through it is brought to a point or focus
 
converter
a device for changing one substance or form or state into another
 
convertible
a car that has top that can be folded or removed
 
convertible
a sofa that can be converted into a bed
 
conveyance
something that serves as a means of transportation
 
conveyer
a moving belt that transports objects (as in a factory)
 
cooker
a utensil for cooking
 
cookfire
a fire for cooking
 
cookhouse
a detached or outdoor shelter for cooking
 
cookie cutter
a kitchen utensil used to cut a sheet of cookie dough into desired shapes before baking
 
cookie jar
a jar in which cookies are kept (and sometimes money is hidden)
 
cooking pan
cooking utensil consisting of a wide metal vessel
 
cooking stove
a kitchen appliance used for cooking food
 
cooking utensil
a kitchen utensil made of material that does not melt easily; used for cooking
 
cookstove
a stove for cooking (especially a wood- or coal-burning kitchen stove)
 
coolant system
a cooling system that uses a fluid to transfer heat from one place to another
 
cooler
a refrigerator for cooling liquids
 
cooler
a cell for violent prisoners
 
cooling system
equipment in a motor vehicle that cools the engine
 
cooling tower
a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant
 
cooling
a mechanism for keeping something cool
 
coonskin
a raccoon cap with the tail hanging down the back
 
Cooper Union for the Advancement of Science and Art
university founded in 1859 by Peter Cooper to offer free courses in the arts and sciences
 
cope
a long cloak; worn by a priest or bishop on ceremonial occasions
 
cope
brick that is laid sideways at the top of a wall
 
copier
apparatus that makes copies of typed, written or drawn material
 
coping saw
a handsaw with a taut thin blade; used for cutting small curves in wood
 
copper mine
a mine where copper is dug from the ground
 
copperplate
a print made from an engraved copperplate
 
copperplate
an engraving consisting of a smooth plate of copper that has been etched or engraved
 
copperware
utensils made with copper
 
copy
a thing made to be similar or identical to another thing
 
copyholder
mechanical device used in printing; holds the copy for the compositor
 
coquille
a dish in the form of a scallop shell
 
coracle
a small rounded boat made of hides stretched over a wicker frame; still used in some parts of Great Britain
 
corbel arch
(architecture) an arch constructed of masonry courses that are corbelled until they meet
 
corbel step
(architecture) a step on the top of a gable wall
 
corbel
(architecture) a triangular bracket of brick or stone (usually of slight extent)
 
corbie gable
(architecture) a gable having corbie-steps or corbel steps
 
cord
a line made of twisted fibers or threads
 
cord
a cut pile fabric with vertical ribs; usually made of cotton
 
cord
a light insulated conductor for household use
 
cordage
the ropes in the rigging of a ship
 
Cordarone
an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
 
cordite
explosive powder (nitroglycerin and guncotton and petrolatum) dissolved in acetone and dried and extruded in brown cords
 
cordon
adornment consisting of an ornamental ribbon or cord
 
cords
cotton trousers made of corduroy cloth
 
corduroy
a road made of logs laid crosswise
 
core
a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
 
core
the chamber of a nuclear reactor containing the fissile material where the reaction takes place
 
core bit
a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
 
core drill
a drill that removes a cylindrical core from the drill hole
 
core memory
(computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories
 
core
(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
 
corer
a device for removing the core from apples
 
Corgard
a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina
 
cork jacket
life preserver consisting of a sleeveless jacket of buoyant or inflatable design
 
corker
a machine that is used to put corks in bottles
 
corn exchange
an exchange where grains are bought and sold
 
corncrib
a crib for storing and drying ears of corn
 
Cornell University
a university in Ithaca, New York
 
corner pocket
a pocket at the corner of a billiard table
 
corner post
a square post supporting a structural member at the corner of a building
 
corner
an interior angle formed by two meeting walls
 
corner
(architecture) solid exterior angle of a building; especially one formed by a cornerstone
 
corner
the intersection of two streets
 
cornerstone
a stone at the outer corner of two intersecting masonry walls
 
cornerstone
a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
 
cornet
a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves
 
cornice
the topmost projecting part of an entablature
 
cornice
a molding at the corner between the ceiling and the top of a wall
 
cornice
a decorative framework to conceal curtain fixtures at the top of a window casing
 
corona
a long cigar with blunt ends
 
coronet
a small crown; usually indicates a high rank but below that of sovereign
 
correctional institution
a penal institution maintained by the government
 
corrective
a device for treating injury or disease
 
corridor
an enclosed passageway; rooms usually open onto it
 
corrugated fastener
a small strip of corrugated steel with sharp points on one side; hammered across wood joints in rough carpentry
 
corrugated iron
usually galvanized sheet iron or sheet steel shaped into straight parallel ridges and hollows
 
corsair
a swift pirate ship (often operating with official sanction)
 
corselet
a piece of body armor for the trunk; usually consists of a breastplate and back piece
 
corset
a woman's close-fitting foundation garment
 
corvette
a highly maneuverable escort warship; smaller than a destroyer
 
cosmetic
a toiletry designed to beautify the body
 
cosmography
a representation of the earth or the heavens
 
cosmotron
a large proton synchrotron; uses frequency modulation of an electric field to accelerate protons
 
costume
the attire worn in a play or at a fancy dress ball
 
costume
the attire characteristic of a country or a time or a social class
 
costume
unusual or period attire not characteristic of or appropriate to the time and place
 
costume
the prevalent fashion of dress (including accessories and hair style as well as garments)
 
cosy
a padded cloth covering to keep a teapot warm
 
cot
baby bed with high sides made of slats
 
cot
a sheath worn to protect a finger
 
cote
a small shelter for domestic animals (as sheep or pigeons)
 
cottage tent
a tent providing shelter for a family
 
cottar
fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together
 
cotter pin
a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart
 
cotton
fabric woven from cotton fibers
 
cotton
thread made of cotton fibers
 
cotton gin
a machine that separates the seeds from raw cotton fibers
 
cotton mill
a textile mill for making cotton textiles
 
Cottrell precipitator
removes dust particles from gases by electrostatic precipitation
 
couch
a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
 
couch
a flat coat of paint or varnish used by artists as a primer
 
couch
an upholstered seat for more than one person
 
couchette
a compartment on a European passenger train; contains 4 to 6 berths for sleeping
 
coude system
a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
 
coulisse
a timber member grooved to take a sliding panel
 
coulisse
a flat situated in the wings
 
Coumadin
an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
 
counter
table consisting of a horizontal surface over which business is transacted
 
counter
game equipment (as a piece of wood, plastic, or ivory) used for keeping a count or reserving a space in various card or board games
 
counter
(computer science) a register whose contents go through a regular series of states (usually states indicating consecutive integers)
 
counter tube
a measuring instrument for counting individual ionizing events
 
counter
a piece of leather forming the back of a shoe or boot
 
counter
a calculator that keeps a record of the number of times something happens
 
counterbore
a bit for enlarging the upper part of a hole
 
counterfeit
a copy that is represented as the original
 
counterirritant
a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation
 
counterpart
a duplicate copy
 
countersink
a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
 
countertop
the top side of a counter
 
countinghouse
office used by the accountants of a business
 
country house
a house (usually large and impressive) on an estate in the country
 
country store
a retail store serving a sparsely populated region; usually stocked with a wide variety of merchandise
 
coupe
a car with two doors and front seats and a luggage compartment
 
coupler
a mechanical device that serves to connect the ends of adjacent objects
 
coupling
a connection (like a clamp or vise) between two things so they move together
 
course
facility consisting of a circumscribed area of land or water laid out for a sport
 
course
(construction) a layer of masonry
 
court
a specially marked horizontal area within which a game is played
 
court
the residence of a sovereign or nobleman
 
court card
one of the twelve cards in a deck bearing a picture of a face
 
court plaster
a plaster composed of isinglass on silk; formerly used to dress superficial wounds
 
court
a tribunal that is presided over by a magistrate or by one or more judges who administer justice according to the laws
 
court
a room in which a lawcourt sits
 
court
an area wholly or partly surrounded by walls or buildings
 
court
a hotel for motorists; provides direct access from rooms to parking area
 
Courtelle
an acrylic fabric resembling wool
 
courthouse
a building that houses judicial courts
 
courthouse
a government building that houses the offices of a county government
 
cover glass
a small and very thin piece of glass used to cover the specimen on a microscope slide
 
cover plate
covering consisting of a plate used to cover over or close in a chamber or receptacle
 
cover
a recording of a song that was first recorded or made popular by somebody else
 
cover
covering for a hole (especially a hole in the top of a container)
 
coverall
a loose-fitting protective garment that is worn over other clothing
 
covered bridge
a bridge whose passageway is protected by a roof and enclosing sides
 
covered couch
a litter with a cover for privacy
 
covered stadium
a stadium that has a roof
 
covered stand
a stand at a racecourse or stadium consisting of tiers with rows of individual seats that are under a protective roof
 
covering
an artifact that covers something else (usually to protect or shelter or conceal it)
 
coverlet
a decorative bedspread (usually quilted)
 
cowbell
a bell hung around the neck of cow so that the cow can be easily located
 
cowboy boot
a boot with a high arch and fancy stitching; worn by American cowboys
 
cowboy hat
a hat with a wide brim and a soft crown; worn by American ranch hands
 
cowhide
a heavy flexible whip braided from leather made from the hide of a cow
 
cowl
a loose hood or hooded robe (as worn by a monk)
 
Cox-2 inhibitor
an anti-inflammatory drug that fights pain and blocks Cox-2 activity without impeding the activity of Cox-1; increases the risk of heart attacks
 
CPU board
the main circuit board for a computer
 
crack
a purified and potent form of cocaine that is smoked rather than snorted; highly addictive
 
crack
a narrow opening
 
cracker
a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends
 
crackerjack
something excellent of its kind
 
crackle
glazed china with a network of fine cracks on the surface
 
cradle
a baby bed with sides and rockers
 
cradle
a trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold
 
craft
a vehicle designed for navigation in or on water or air or through outer space
 
cramp
a clamp for holding pieces of wood together while they are glued
 
cramp
a strip of metal with ends bent at right angles; used to hold masonry together
 
crampon
a hinged pair of curved iron bars; used to raise heavy objects
 
crane
lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis
 
craniometer
an instrument for measuring skull sizes
 
crank handle
crank used to start an engine
 
crank
a hand tool consisting of a rotating shaft with parallel handle
 
crankcase
housing for a crankshaft
 
crankshaft
a rotating shaft driven by (or driving) a crank
 
crape
a soft thin light fabric with a crinkled surface
 
crash barrier
a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents
 
crash helmet
a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents
 
crate
a rugged box (usually made of wood); used for shipping
 
cravat
neckwear worn in a slipknot with long ends overlapping vertically in front
 
crayon
writing implement consisting of a colored stick of composition wax used for writing and drawing
 
crazy quilt
a patchwork quilt without a design
 
cream pitcher
a small pitcher for serving cream
 
cream
toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin
 
creamery
a workplace where dairy products (butter and cheese etc.) are produced or sold
 
crease
a Malayan dagger with a wavy blade
 
creation
an artifact that has been brought into existence by someone
 
creche
a representation of Christ's nativity in the stable at Bethlehem
 
creche
a hospital where foundlings (infant children of unknown parents) are taken in and cared for
 
credence
a kind of sideboard or buffet
 
creel
a wicker basket used by anglers to hold fish
 
creep
a pen that is fenced so that young animals can enter but adults cannot
 
cremation chamber
a furnace where a corpse can be burned and reduced to ashes
 
crematorium
a mortuary where corpses are cremated
 
crenel
a notch or open space between two merlons in a crenelated battlement
 
crepe de Chine
a very thin crepe of silk or silklike fabric
 
crepe marocain
a dress crepe; similar to Canton crepe
 
crescent wrench
an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrench
 
crest
(heraldry) in medieval times, an emblem used to decorate a helmet
 
crest
the center of a cambered road
 
cretonne
an unglazed heavy fabric; brightly printed; used for slipcovers and draperies
 
crew neck
a plain straight neckline opening from shoulder to shoulder of sweaters
 
crewelwork
embroidery done with loosely twisted worsted yarn
 
crewet
bottle that holds wine or oil or vinegar for the table
 
crib
a bin or granary for storing grains
 
cribbage board
a board with pegs and regularly spaced holes for holding the pegs; used for keeping the score in a game of cribbage
 
cricket ball
the ball used in playing cricket
 
cricket equipment
sports equipment used in playing cricket
 
crimper
a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
 
cringle
fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
 
crinoline
a stiff coarse fabric used to stiffen hats or clothing
 
crinoline
a full stiff petticoat made of crinoline fabric
 
crinoline
a skirt stiffened with hoops
 
Crixivan
a protease inhibitor (trade name Crixivan) used for treating HIV
 
CRO
electronic equipment that provides visual images of varying electrical quantities
 
crochet hook
a needle with a hook on the end; used in crocheting
 
crochet stitch
any one of a number of stitches made by pulling a loop of yarn through another loop with a crochet needle
 
crochet
needlework done by interlocking looped stitches with a hooked needle
 
Crock Pot
an electric cooker that maintains a relatively low temperature
 
crock
an earthen jar (made of baked clay)
 
crockery
tableware (eating and serving dishes) collectively
 
crocket
an architectural ornament of curved foliage used at the edge of a spire or gable
 
croft
a small farm worked by a crofter
 
cromlech
a prehistoric megalithic tomb typically having two large upright stones and a capstone
 
cromorne
a Renaissance woodwind with a double reed and a curving tube (crooked horn)
 
crook
a long staff with one end being hook shaped
 
Crookes radiometer
electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight
 
Crookes tube
the original gas-discharge cathode-ray tube
 
crop
the stock or handle of a whip
 
crop
the output of something in a season
 
croquet ball
a wooden ball used in playing croquet
 
croquet equipment
sports equipment used in playing croquet
 
croquet mallet
a mallet used to strike the ball in croquet
 
Cross
a representation of the structure on which Jesus was crucified; used as an emblem of Christianity or in heraldry
 
cross
a wooden structure consisting of an upright post with a transverse piece
 
cross bit
a rock drill having cruciform cutting edges; used in mining
 
cross hair
either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration
 
cross of Calvary
a Latin cross set on three steps
 
cross of Lorraine
a cross with two crossbars, one above and one below the midpoint of the vertical, the lower longer than the upper
 
cross street
a street intersecting a main street (usually at right angles) and continuing on both sides of it
 
cross thwart
a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat
 
cross-stitch
embroidery done with pairs of stitches that cross each other
 
cross-stitch
two stitches forming a cross or X
 
crossbar
long thin horizontal crosspiece between two vertical posts
 
crossbar
game equipment consisting of a horizontal bar to be jumped or vaulted over
 
crossbar
a horizontal bar that goes across something
 
crossbeam
a horizontal beam that extends across something
 
crossbench
any of the seats in the House of Commons used by members who do not vote regularly with either the government or the Opposition
 
crossbow
a bow fixed transversely on a wooden stock grooved to direct the arrow (quarrel)
 
crosscut handsaw
handsaw that cuts at right angles to the grain (or major axis)
 
crosscut
a route shorter than the usual one
 
crosse
a long racket with a triangular frame; used in playing lacrosse
 
crosshead
metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth
 
crossing
a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
 
crossjack
the lowermost sail on a mizzenmast
 
crosspiece
a transverse brace
 
crosstie
one of the cross braces that support the rails on a railway track
 
crotchet
a small tool or hooklike implement
 
croupier's rake
a small rake used by a croupier to move chips around on the table
 
crow's nest
platform for a lookout at or near the top of a mast
 
crowbar
a heavy iron lever with one end forged into a wedge
 
crown
the part of a hat (the vertex) that covers the crown of the head
 
crown
a wreath or garland worn on the head to signify victory
 
crown jewel
a precious stone that is a valuable part of a sovereign's regalia
 
crown jewels
regalia (jewelry and other paraphernalia) worn by a sovereign on state occasions
 
crown lens
a lens made of optical crown glass
 
crown of thorns
a mock crown made of thorn branches that Roman soldiers placed on Jesus before the Crucifixion
 
crown saw
a saw having teeth around the edge of a hollow cylinder
 
crown
an ornamental jeweled headdress signifying sovereignty
 
CRT
a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
 
CRT screen
the display that is electronically created on the surface of the large end of a cathode-ray tube
 
crucible
a vessel made of material that does not melt easily; used for high temperature chemical reactions
 
crucifix
representation of the cross on which Jesus died
 
cruet-stand
a stand for cruets containing various condiments
 
cruise control
control mechanism for keeping an automobile at a set speed
 
cruise liner
a passenger ship used commercially for pleasure cruises
 
cruise missile
an unmanned aircraft that is a self-contained bomb
 
cruiser
a large fast warship; smaller than a battleship and larger than a destroyer
 
cruiser
a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters
 
crupper
a strap from the back of a saddle passing under the horse's tail; prevents saddle from slipping forward
 
cruse
small jar; holds liquid (oil or water)
 
crusher
a device that crushes something
 
crutch
a wooden or metal staff that fits under the armpit and reaches to the ground; used by disabled person while walking
 
cryocautery
an instrument for destroying tissue by freezing it
 
cryometer
a thermometer designed to measure low temperatures
 
cryoscope
a measuring instrument for measuring freezing and melting points
 
cryostat
a thermostat that operates at very low temperatures
 
crypt
a cellar or vault or underground burial chamber (especially beneath a church)
 
cryptograph
a device for deciphering codes and ciphers
 
crystal
glassware made of quartz
 
crystal
a crystalline element used as a component in various electronic devices
 
crystal ball
a glass or crystal globe used in crystal gazing by fortunetellers
 
crystal counter
a counter tube in which an ionizing event increases conductivity
 
crystal detector
a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
 
crystal microphone
a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
 
crystal oscillator
an oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystal
 
crystal pickup
a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal
 
crystal rectifier
a semiconductor that consists of a p-n junction
 
crystal set
an early radio receiver using a crystal detector
 
crystal
a protective cover that protects the face of a watch
 
Cuban heel
a broad heel of medium height on women's shoes
 
cubby
a small secluded room
 
cubbyhole
a small compartment
 
cube
a block in the (approximate) shape of a cube
 
cubeb
a cigarette containing cubeb
 
cubitiere
body armor that protects the elbow
 
cucking stool
an instrument of punishment consisting of a chair in which offenders were ducked in water
 
cuckoo clock
clock that announces the hours with a sound like the call of the cuckoo
 
cuddy
the galley or pantry of a small ship
 
cudgel
a club that is used as a weapon
 
cue ball
the ball that the billiard player or pool player strikes with his cue
 
cue
sports implement consisting of a tapering rod used to strike a cue ball in pool or billiards
 
cuff
shackle that consists of a metal loop that can be locked around the wrist; usually used in pairs
 
cuff
the lap consisting of a turned-back hem encircling the end of the sleeve or leg
 
cufflink
jewelry consisting of one of a pair of linked buttons used to fasten the cuffs of a shirt
 
cuirass
medieval body armor that covers the chest and back
 
cuisse
armor plate that protects the thigh
 
cul
a passage with access only at one end
 
culdoscope
a specialized endoscope for visually examining a woman's pelvic organs
 
cullis
a gutter in a roof
 
culotte
a divided skirt
 
cultivator
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)
 
culverin
a medieval musket
 
culverin
a heavy cannon with a long barrel used in the 16th and 17th centuries
 
culvert
a transverse and totally enclosed drain under a road or railway
 
cummerbund
a broad pleated sash worn as formal dress with a tuxedo
 
cup
a small open container usually used for drinking; usually has a handle
 
cup
the hole (or metal container in the hole) on a golf green
 
cup hook
hook (usually on the underside of a shelf) for hanging cups
 
cup
a large metal vessel with two handles that is awarded as a trophy to the winner of a competition
 
Cupid's bow
a curved bow with reversed curve ends
 
cupola
a roof in the form of a dome
 
cupola
a vertical cylindrical furnace for melting iron for casting
 
Cuprimine
a drug (trade name Cuprimine) used to treat heavy metal poisoning and Wilson's disease and severe arthritis
 
curative
a medicine or therapy that cures disease or relieve pain
 
curb market
a stock market for trading in securities not listed on the New York Stock Exchange
 
curb roof
a roof with two or more slopes on each side of the ridge
 
curb
a horse's bit with an attached chain or strap to check the horse
 
curb
an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)
 
curbside
the side of a sidewalk that is bordered by a curb
 
curbstone
a paving stone forming part of a curb
 
curet
a surgical instrument shaped like a scoop to remove tissue from a bodily cavity
 
curio
something unusual -- perhaps worthy of collecting
 
curling iron
a cylindrical metal home appliance that heats a lock of hair that has been curled around it
 
currycomb
a square comb with rows of small teeth; used to curry horses
 
cursor
(computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions
 
curtain ring
a circular ring for holding up a curtain
 
curtain
hanging cloth used as a blind (especially for a window)
 
curtilage
the enclosed land around a house or other building
 
cushion
a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.
 
cushion
the layer of air that supports a hovercraft or similar vehicle
 
cushion
a mechanical damper; absorbs energy of sudden impulses
 
cushioning
artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort
 
cusp
point formed by two intersecting arcs (as from the intrados of a Gothic arch)
 
cuspidation
a decoration using cusps
 
cuspidor
a receptacle for spit (usually in a public place)
 
custard pie
a prop consisting of an open pie filled with real or artificial custard; thrown in slapstick comedies
 
custom-built
an item made to the customer's specifications
 
customhouse
a government building where customs are collected and where ships are cleared to enter or leave the country
 
cut
a canal made by erosion or excavation
 
cut glass
glass decorated by cutting or grinding facets
 
cut
a trench resembling a furrow that was made by erosion or excavation
 
cutaway
a man's coat cut diagonally from the waist to the back of the knees
 
cutaway
a representation (drawing or model) of something in which the outside is omitted to reveal the inner parts
 
cutlas
a short heavy curved sword with one edge; formerly used by sailors
 
cutlery
a cutting implement; a tool for cutting
 
cutlery
tableware implements for cutting and eating food
 
cutoff
a device that terminates the flow in a pipe
 
cutout
a part that is cut out or is intended to be cut out
 
cutout
a photograph from which the background has been cut away
 
cutout
a switch that interrupts an electric circuit in the event of an overload
 
cutter
a sailing vessel with a single mast set further back than the mast of a sloop
 
cutter
a boat for communication between ship and shore
 
cutting edge
the sharp cutting side of the blade of a knife
 
cutting implement
a tool used for cutting or slicing
 
cutting room
a room where films or tapes are edited (by cutting out unwanted parts)
 
cutty stool
a low stool; formerly in Scotland, a seat in a church where an offender was publicly rebuked
 
cutwork
embroidery in which the design is outlined in a buttonhole stitch and the intervening material is cut away
 
cyberart
art that is produced with the help of computer hardware and software
 
cybercafe
a cafe whose customers sit at computer terminals and log on to the internet while they eat and drink
 
cyberspace
a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange
 
cycle rickshaw
a tricycle (usually propelled by pedalling); used in the Orient for transporting passengers for hire
 
cyclone cellar
an underground shelter where you can go until a storm passes
 
cyclopean masonry
a primitive style of masonry characterized by use of massive stones of irregular shape and size
 
cyclopropane
a colorless flammable gas sometimes used as an inhalation anesthetic
 
cyclorama
a picture (or series of pictures) representing a continuous scene
 
cycloserine
an antibiotic that is especially active against the tubercle bacillus
 
cyclostyle
a writing implement with a small toothed wheel that cuts small holes in a stencil
 
cyclotron
an accelerator that imparts energies of several million electron-volts to rapidly moving particles
 
cylinder
a cylindrical container for oxygen or compressed air
 
cylinder head
a detachable plate that covers the closed end of a cylinder chamber in a reciprocating engine or pump
 
cylinder lock
a lock in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate
 
cylinder press
a printing press where the type is carried on a flat bed under a cylinder that holds paper and rolls over the type
 
cylinder
a chamber within which piston moves
 
cylix
a shallow drinking cup with two handles; used in ancient Greece
 
cyma recta
a cyma in which the upper section is concave and the lower section is convex
 
cyma reversa
a molding that (in section) has the shape of an S with the convex part above and the concave part below
 
cyma
(architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)
 
cymbal
a percussion instrument consisting of a concave brass disk; makes a loud crashing sound when hit with a drumstick or when two are struck together
 
cymograph
scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)
 
cytophotometer
a photometer that can be used to locate and identify chemical compounds in a cell by measuring the intensity of the light that passes through stained sections of the cytoplasm
 
cytotoxic drug
any drug that has a toxic effect on cells; commonly used in chemotherapy to inhibit the proliferation of cancerous cells
 
dacha
Russian country house
 
Dachau
a concentration camp for Jews created by the Nazis near Munich in southern Germany
 
dado
a rectangular groove cut into a board so that another piece can fit into it
 
dado
the section of a pedestal between the base and the surbase
 
dado plane
a plane for making a dado groove
 
dado
panel forming the lower part of an interior wall when it is finished differently from the rest of the wall
 
dag
a flap along the edge of a garment; used in medieval clothing
 
dagger
a short knife with a pointed blade used for piercing or stabbing
 
daggerboard
a removable centerboard on a small sailboat that can be lowered into the water to serve as a keel
 
daguerreotype
a photograph made by an early photographic process; the image was produced on a silver plate sensitized to iodine and developed in mercury vapor
 
dairy
a farm where dairy products are produced
 
daishiki
a loose and brightly colored African shirt
 
daisy chain
flower chain consisting of a string of daisies linked by their stems; worn by students on class day at some schools
 
daisy print wheel
a wheel around which is a set of print characters that make a typing impression on paper
 
daisywheel printer
a printer that uses a daisy print wheel
 
Dalmane
tranquilizer (trade name Dalmane) used to treat insomnia
 
dam
a barrier constructed to contain the flow of water or to keep out the sea
 
damascene
a design produced by inlaying gold or silver into steel
 
damask
a fabric of linen or cotton or silk or wool with a reversible pattern woven into it
 
damask
a table linen made from linen with a damask pattern
 
damp course
a course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the building
 
dampener
a device that dampens or moistens something
 
damper
a movable iron plate that regulates the draft in a stove or chimney or furnace
 
damper block
damper consisting of a small felted block that drops onto a piano string to stop its vibration
 
damper
a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
 
dance floor
a bare floor polished for dancing
 
dandle board
a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
 
dandy
a sailing vessel with two masts; a small mizzen is aft of the rudderpost
 
dapsone
antibacterial drug used to treat leprosy and some kinds of skin diseases
 
Daricon
an anticholinergic drug (trade name Daricon) used in treating peptic ulcers
 
dark glasses
(plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun
 
dark-field microscope
light microscope that uses scattered light to show particles too small to see with ordinary microscopes
 
darkroom
a room in which photographs are developed
 
darn
sewing that repairs a worn or torn hole (especially in a garment)
 
darning needle
a long needle with an eye large enough for heavy darning or embroidery thread
 
dart
a tapered tuck made in dressmaking
 
dart
a small narrow pointed missile that is thrown or shot
 
dart board
a circular board of wood or cork used as the target in the game of darts
 
dart thrower
a device resembling a sling that is used in various primitive societies to propel a dart or spear
 
Dartmouth College
a college in New Hampshire
 
Darvon
a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive
 
dash-pot
a mechanical damper; the vibrating part is attached to a piston that moves in a chamber filled with liquid
 
dashboard
instrument panel on an automobile or airplane containing dials and controls
 
dashboard
protective covering consisting of a panel to protect people from the splashing water or mud etc.
 
dasymeter
densimeter consisting of a thin glass globe that is weighed in a gas to determine its density
 
DAT
a digital tape recording of sound
 
data converter
converter for changing information from one code to another
 
data input device
a device that can be used to insert data into a computer or other computational device
 
data link
an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
 
data multiplexer
a multiplexer that permits two or more data sources to share a common transmission medium
 
data system
system consisting of the network of all communication channels used within an organization
 
data track
(computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
 
daub
an unskillful painting
 
davenport
a large sofa usually convertible into a bed
 
davenport
a small decorative writing desk
 
Davis Cup
cup awarded for the annual international team tennis competition
 
davit
a crane-like device (usually one of a pair) for suspending or lowering equipment (as a lifeboat)
 
Davy lamp
an oil lamp that will not ignite flammable gases (methane)
 
day bed
convertible consisting of an upholstered couch that can be converted into a double bed
 
day camp
a camp providing care and activities for children during the daytime
 
day care center
a nursery for the supervision of preschool children while the parents work
 
day school
a school building without boarding facilities
 
daybed
an armless couch; a seat by day and a bed by night
 
daybook
an accounting journal as a physical object
 
Daypro
a nonsteroidal anti-inflammatory drug (trade name Daypro)
 
Dayton axe
an ax with a long handle and a head that has one cutting edge and one blunt side
 
DDC
an antiviral drug used to combat HIV infection
 
DDI
an antiviral drug used to combat HIV infection
 
dead axle
an axle that carries a wheel but without power to drive it
 
dead load
a constant load on a structure (e.g. a bridge) due to the weight of the supported structure itself
 
dead room
a building (or room) where dead bodies are kept before burial or cremation
 
dead-air space
an unventilated area where no air circulates
 
deadeye
(nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
 
deadhead
a train or bus or taxi traveling empty
 
deadlight
a strong shutter over a ship's porthole that is closed in stormy weather
 
deaf-aid
an electronic device that amplifies sound and is worn to compensate for poor hearing
 
deanery
the official residence of a dean
 
death bell
a bell rung to announce a death
 
death camp
a concentration camp where prisoners are likely to die or be killed
 
death chamber
instrument of execution consisting of a sealed chamber into which poison gas is introduced; used to kill people or animals
 
death house
the cellblock in a prison where those condemned to death await execution
 
death mask
a cast taken from the face of a dead person
 
death seat
the car seat beside the driver of an automobile; believed to be the most dangerous place to sit in a car in case of an accident
 
deathbed
the bed on which a person dies
 
deathtrap
any structure that is very unsafe; where people are likely to be killed
 
decal
either a design that is fixed to some surface or a paper bearing the design which is to be transferred to the surface
 
deck
any of various platforms built into a vessel
 
deck
street name for a packet of illegal drugs
 
deck
a porch that resembles the deck on a ship
 
deck-house
a superstructure on the upper deck of a ship
 
decker
(often used in combinations) something constructed with multiple levels
 
deckle
(paper making) a frame used to form paper pulp into sheets
 
deckle
rough edge left by a deckle on handmade paper or produced artificially on machine-made paper
 
declinometer
an instrument for measuring magnetic declination
 
Declomycin
tetracycline antibacterial (trade name Declomycin) effective in the treatment of some bacterial and rickettsial and other infections
 
decoder
a machine that converts a coded text into ordinary language
 
decolletage
a low-cut neckline on a woman's dress
 
decongestant
a drug that decreases pulmonary congestion
 
decor
decoration consisting of the layout and furnishings of a livable interior
 
decoration
something used to beautify
 
decoupage
art produced by decorating a surface with cutouts and then coating it with several layers of varnish or lacquer
 
dedicated file server
(computer science) a file server that can be used only as a file server
 
deedbox
a strongly made box for holding money or valuables; can be locked
 
Deepfreeze
electric refrigerator (trade name Deepfreeze) in which food is frozen and stored for long periods of time
 
deer trail
a trail worn by the passage of deer
 
deerstalker
a tight-fitting hat with visors front and back; formerly worn by hunters
 
defence system
the weaponry available for the defense of a region
 
defence
a structure used to defend against attack
 
defense laboratory
a laboratory devoted to research and development for national defense
 
defibrillator
an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation
 
defilade
the arrangement of defensive fortifications to protect against enemy fire
 
deflector
a device intended to turn aside the flow of something (water or air or smoke etc)
 
defroster
heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane)
 
dehumidifier
an applicance to extract moisture from the air and make the environment more comfortable
 
Delaware Memorial Bridge
a suspension bridge across the Delaware River
 
delay line
a circuit designed to introduce a calculated delay into the transmission of a signal
 
delayed action
a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture
 
delf
an excavation; usually a quarry or mine
 
delft
a style of glazed earthenware; usually white with blue decoration
 
deli
a shop selling ready-to-eat food products
 
delineation
a drawing of the outlines of forms or objects
 
deliverable
something that can be provided as the product of development
 
delivery truck
a van suitable for delivering goods or services to customers
 
delta wing
an airplane with wings that give it the appearance of an isosceles triangle
 
Demerol
a synthetic narcotic drug (trade name Demerol) used to treat pain
 
demijohn
large bottle with a short narrow neck; often has small handles at neck and is enclosed in wickerwork
 
demister
heater that removes mist from the windshield of a car
 
demitasse
small coffee cup; for serving black coffee
 
demodulator
rectifier that extracts modulation from a radio carrier wave
 
demulcent
a medication (in the form of an oil or salve etc.) that soothes inflamed or injured skin
 
Demulen
trade name for an oral contraceptive
 
den
a room that is comfortable and secluded
 
denim
a coarse durable twill-weave cotton fabric
 
densimeter
a measuring instrument for determining density or specific gravity
 
densitometer
a measuring instrument for determining optical or photographic density
 
dental appliance
a device to repair teeth or replace missing teeth
 
dental floss
a soft thread for cleaning the spaces between the teeth
 
dental implant
an implant that replaces a natural tooth
 
dental plate
a dental appliance that artificially replaces missing teeth
 
dentifrice
a substance for cleaning the teeth; applied with a toothbrush
 
deodorant
a toiletry applied to the skin in order to mask unpleasant odors
 
department store
a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain
 
departure gate
gate where passengers embark
 
departure lounge
lounge where passengers can await departure
 
depilator
a cosmetic for temporary removal of undesired hair
 
Depokene
anticonvulsant (trade name Depokene) used to prevent some kinds of seizures
 
deposit box
a fireproof metal strongbox (usually in a bank) for storing valuables
 
deposit
a facility where things can be deposited for storage or safekeeping
 
depository library
a depository built to contain books and other materials for reading and study
 
depot
a depository for goods
 
depot
station where transport vehicles load or unload passengers or goods
 
depressant
a drug that reduces excitability and calms a person
 
depressor
a device used by physician to press a part down or aside
 
depth bomb
a bomb that explodes at a preset depth under water; antisubmarine device
 
depth finder
navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
 
depth gage
a gauge for measuring the depth of grooves or holes or other concavities
 
dermatome
a surgical instrument used to cut very thin slices of skin
 
derrick
a simple crane having lifting tackle slung from a boom
 
derrick
a framework erected over an oil well to allow drill tubes to be raised and lowered
 
derringer
a pocket pistol of large caliber with a short barrel
 
DES
synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy
 
design
a preliminary sketch indicating the plan for something
 
design
a decorative or artistic work
 
designer drug
a psychoactive drug deliberately synthesized to avoid anti-drug laws; mimics the effects of a banned drug; law was revised in 1986 to ban designer drugs
 
desipramine
a tricyclic antidepressant drug that activates the psychomotor system
 
desk
a piece of furniture with a writing surface and usually drawers or other compartments
 
desk phone
a telephone set that sits on a desk or table
 
desktop computer
a personal computer small enough to fit conveniently in an individual workspace
 
dessert plate
a small plate on which dessert can be served
 
dessert spoon
a spoon larger than a teaspoon and smaller than a tablespoon
 
destroyer escort
warship smaller than a destroyer; designed to escort fleets or convoys
 
destroyer
a small fast lightly armored but heavily armed warship
 
Desyrel
oral antidepressant (trade name Desyrel) that is a nontricyclic drug used as a sedative
 
detached house
a house that stands alone
 
detector
electronic equipment that detects the presence of radio signals or radioactivity
 
detector
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
 
detention camp
an institution where juvenile offenders can be held temporarily (usually under the supervision of a juvenile court)
 
detergent
a cleansing agent that differs from soap but can also emulsify oils and hold dirt in suspension
 
detonating fuse
a fuse containing an explosive
 
detour
a roundabout road (especially one that is used temporarily while a main route is blocked)
 
detox
the hospital ward or clinic in which patients are detoxified
 
deuce
one of the four playing cards in a deck that have two spots
 
developer
photographic equipment consisting of a chemical solution for developing film
 
device
an instrumentality invented for a particular purpose
 
device
an emblematic design (especially in heraldry)
 
device
any ornamental pattern or design (as in embroidery)
 
Dewar flask
vacuum flask that holds liquid air or helium for scientific experiments
 
Dexedrine
an isomer of amphetamine (trade name Dexedrine) used as a central nervous system stimulant
 
dhoti
a long loincloth worn by Hindu men
 
dhow
a lateen-rigged sailing vessel used by Arabs
 
diacetylmorphine
a narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush
 
diaglyph
glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo)
 
diagram
a drawing intended to explain how something works; a drawing showing the relation between the parts
 
dial
the face of a timepiece; graduated to show the hours
 
dial
the circular graduated indicator on various measuring instruments
 
dial
the control on a radio or television set that is used for tuning
 
dial phone
a telephone with a dial for registering the number to be called
 
dial
a disc on a telephone that is rotated a fixed distance for each number called
 
dialog box
(computer science) a small temporary window in a graphical user interface that appears in order to request information from the user; after the information has been provided the user dismisses the box with `okay' or `cancel'
 
dialysis machine
a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes
 
diamante
fabric covered with glittering ornaments such as sequins or rhinestones
 
diamante
adornment consisting of a small piece of shiny material used to decorate clothing
 
diamond
a playing card in the minor suit that has one or more red rhombuses on it
 
diamond point
a very hard small point made from a diamond
 
diapason
either of the two main stops on a pipe organ
 
diaper
a fabric (usually cotton or linen) with a distinctive woven pattern of small repeated figures
 
diaper
garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
 
diaphone
a foghorn that makes a signal consisting of two tones
 
diaphoretic
used to produce perspiration
 
diaphragm
electro-acoustic transducer that vibrates to receive or produce sound waves
 
diaphragm
a mechanical device in a camera that controls size of aperture of the lens
 
diary
a personal journal (as a physical object)
 
diathermy machine
a medical instrument for local heating of bodily tissues for medical purposes
 
dibber
a wooden hand tool with a pointed end; used to make holes in the ground for planting seeds or bulbs
 
dibucaine
a local anesthetic that is administered by injection
 
dice box
a small container (open at one end) in which dice are shaken by hand and from which they are thrown
 
dice
a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers
 
dicer
a mechanical device used for dicing food
 
dickey
a small third seat in the back of an old-fashioned two-seater
 
dickey
a man's detachable insert (usually starched) to simulate the front of a shirt
 
dicoumarol
an anticoagulant drug that has now been largely replaced by warfarin
 
Dictaphone
a tape recorder that records and reproduces dictation
 
die
a device used for shaping metal
 
die
a cutting tool that is fitted into a diestock and used for cutting male (external) screw threads on screws or bolts or pipes or rods
 
diesel locomotive
a locomotive driven by a diesel engine
 
diesel
an internal-combustion engine that burns heavy oil
 
diesel-electric
a locomotive driven by the electric current generated by a diesel engine
 
diesel-hydraulic
a locomotive driven by a hydraulic transmission system powered by a diesel engine
 
diestock
a device that holds the dies that cut external threads on metal cylinders
 
diethyl ether
a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic
 
differential analyzer
an analog computer designed to solve differential equations
 
differential
a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
 
diffraction grating
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
 
diffuser
optical device that distributes the light of a lamp evenly
 
diffuser
baffle that distributes sound waves evenly
 
diffusing screen
a transparent filter that reduces the light (or some wavelengths of the light) passing through it
 
digester
autoclave consisting of a vessel in which plant or animal materials are digested
 
digger
a machine for excavating
 
diggings
an excavation for ore or precious stones or for archaeology
 
diggings
temporary living quarters
 
digital camera
a camera that encodes an image digitally and store it for later reproduction
 
digital clock
a clock that displays the time of day digitally
 
digital computer
a computer that represents information by numerical (binary) digits
 
digital plethysmograph
plethysmograph applied to a digit of the hand or foot to measure skin blood flow
 
digital scanner
an electronic device that generates a digital representation of an image for data input to a computer
 
digital voltmeter
an electronic voltmeter that gives readings in digits
 
digital watch
a watch with a digital display
 
digital-analog converter
device for converting digital signals into analogue signals
 
digitoxin
digitalis preparation used to treat congestive heart failure or cardiac arrhythmia
 
dihydrostreptomycin
antibiotic consisting of a hydrogenated form of streptomycin; used against tuberculosis and tularemia and Gram-negative organisms
 
Dilantin
an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
 
dilater
a surgical instrument that is used to dilate or distend an opening or an organ
 
dilator
a drug that causes dilation
 
Dilaudid
a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
 
dildo
a vibrating device that substitutes for an erect penis to provide vaginal stimulation
 
dime
street name for a packet of illegal drugs that is sold for ten dollars
 
Dimetane
antihistamine (trade name Dimetane) used to treat hypersensitivity reactions (as rhinitis)
 
Dimetapp
trade name for a drug containing an antihistamine and a decongestant; used to relieve nasal congestion and to treat rhinitis
 
diminished arch
an arch whose height is less than half its width
 
dimity
a strong cotton fabric with a raised pattern; used for bedcovers and curtains
 
dimmer
a rheostat that varies the current through an electric light in order to control the level of illumination
 
diner
a restaurant that resembles a dining car
 
dinette
a small area off of a kitchen that is used for dining
 
dinghy
a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled
 
dining area
an area arranged for dining
 
dining room
a room used for dining
 
dining-hall
a large room at a college or university; used especially for dining
 
dining-room furniture
furniture intended for use in a dining room
 
dining-room table
dining-room furniture consisting of a table on which meals can be served
 
dinkey
a small locomotive
 
dinner bell
a bell rung to announce that dinner has been served
 
dinner bucket
a pail in which a workman carries his lunch or dinner
 
dinner dress
a gown for evening wear
 
dinner napkin
a large napkin used when dinner is served
 
dinner plate
a plate from which a diner eats during the main course of a meal
 
dinner service
a table service for serving dinner
 
dinner table
the dining table where dinner is served and eaten
 
dinner theater
a theater at which dinner is included in the price of admission
 
dinnerware
the tableware (plates and platters and serving bowls etc.) used in serving a meal
 
diode
a thermionic tube having two electrodes; used as a rectifier
 
Diovan
an angiotensin II inhibitor that is used to treat high blood pressure
 
dip
a candle that is made by repeated dipping in a pool of wax or tallow
 
dip circle
a measuring instrument for measuring the angle of magnetic dip (as from an airplane)
 
DIP switch
(computer science) one of a set of small on-off switches mounted in computer hardware; used in place of jumpers to configure the machine for a user
 
diphenylbutyl piperidine
a group of antipsychotic drugs used mainly in the treatment of schizophrenia
 
diplomatic building
government building in which diplomats live or work
 
diplomatic pouch
a mail pouch that is sealed shut and that is used to carry communications between a legation and its home office
 
dipole
an aerial half a wavelength long consisting of two rods connected to a transmission line at the center
 
dipper
a ladle that has a cup with a long handle
 
dipstick
a graduated rod dipped into a container to indicate the fluid level
 
diptych
a painting or carving (especially an altarpiece) on two panels (usually hinged like a book)
 
direction finder
radio; determines the direction of incoming radio waves
 
directional antenna
an antenna that transmits or receives signals only in a narrow angle
 
directional microphone
a microphone that is designed to receive sound from a particular direction
 
dirk
a relatively long dagger with a straight blade
 
dirndl
a dress with a tight bodice and full skirt
 
dirndl
a full skirt with a gathered waistband
 
dirt bike
a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
 
dirt track
a racetrack that is not paved
 
dirty bomb
an atom bomb that leaves considerable radioactive contamination
 
disc brake
hydraulic brake in which friction is applied to both sides of a spinning disk by the brake pads
 
disc harrow
a harrow with a series of disks set on edge at an angle
 
disc
a flat circular plate
 
disc
(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
 
disc
sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
 
discharge lamp
a lamp that generates light by a discharge between two electrodes in a gas
 
discharge pipe
a pipe through which fluids can be discharged
 
disco
a public dance hall for dancing to recorded popular music
 
discount house
a sales outlet offering goods at a discounted price
 
discus
a disk used in throwing competitions
 
disguise
any attire that modifies the appearance in order to conceal the wearer's identity
 
dish
a piece of dishware normally used as a container for holding or serving food
 
dish rack
a rack for holding dishes as dishwater drains off of them
 
dish towel
a towel for drying dishes
 
dish washer
a machine for washing dishes
 
dish
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
 
dishcloth
a cloth for washing dishes
 
dishpan
large pan for washing dishes
 
dishwasher detergent
a low-sudsing detergent designed for use in dishwashers
 
disk access
memory access to the computer disk on which information is stored
 
disk cache
a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk
 
disk clutch
a friction clutch in which the frictional surfaces are disks
 
disk controller
(computer science) a circuit or chip that translates commands into a form that can control a hard disk drive
 
diskette
a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer
 
dispatch box
case consisting of an oblong container (usually having a lock) for carrying dispatches or other valuables
 
dispensary
clinic where medicine and medical supplies are dispensed
 
dispenser
a container so designed that the contents can be used in prescribed amounts
 
display adapter
(computer science) an electronic device that converts information in memory to video output to a display
 
display window
a window of a store facing onto the street; used to display merchandise for sale in the store
 
display
a visual representation of something
 
display
an electronic device that represents information in visual form
 
disposable
an item that can be disposed of after it has been used
 
disposal plant
a plant for disposing of sewage
 
disposal
a kitchen appliance for disposing of garbage
 
distaff
the staff on which wool or flax is wound before spinning
 
distemper
a painting created with paint that is made by mixing the pigments with water and a binder
 
distemper
paint made by mixing the pigments with water and a binder
 
distillery
a plant and works where alcoholic drinks are made by distillation
 
distributer
electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
 
distributor cam
the cam inside the distributor that rotates to contact spark plug terminals in the correct order
 
distributor cap
the cap of the distributor that holds in place the wires from the distributor to the spark plugs
 
distributor housing
the housing that supports the distributor cam
 
ditch
a long narrow excavation in the earth
 
ditch spade
a spade with a long handle for digging narrow ditches
 
ditty bag
kit used by sailors and soldiers
 
diuretic
any substance that tends to increase the flow of urine, which causes the body to get rid of excess water
 
Diuril
a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension
 
divan
a long backless sofa (usually with pillows against a wall)
 
divan
a Muslim council chamber or law court
 
dive bomber
a bomber that releases its bombs during a steep dive toward the target
 
dive
a cheap disreputable nightclub or dance hall
 
divided highway
a highway divided down the middle by a barrier that separates traffic going in different directions
 
divider
a drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
 
divider
a vertical structure that divides or separates (as a wall divides one room from another)
 
diving bell
diving apparatus for underwater work; has an open bottom and is supplied with compressed air
 
diving board
a springboard from which swimmers can dive
 
diving dress
a weighted and hermetically sealed garment supplied with air; worn by underwater divers
 
divining rod
forked stick that is said to dip down to indicate underground water or oil
 
dixie
a large metal pot (12 gallon camp kettle) for cooking; used in military camps
 
Dixie cup
a disposable cup made of paper; for holding drinks
 
DNA chip
a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested
 
dock
an enclosure in a court of law where the defendant sits during the trial
 
dock
landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out
 
dock
a platform where trucks or trains can be loaded or unloaded
 
dock
a platform built out from the shore into the water and supported by piles; provides access to ships and boats
 
document
anything serving as a representation of a person's thinking by means of symbolic marks
 
Dodgem
a small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodged
 
doeskin
a fine smooth soft woolen fabric
 
dog collar
a collar for a dog
 
dog house
outbuilding that serves as a shelter for a dog
 
dog pound
a public enclosure for stray or unlicensed dogs
 
dog sled
a sled pulled by dogs
 
dog wrench
a wrench with a handle shaped like a crank
 
dogcart
a cart drawn by a dog
 
doggie bag
a bag for food that a customer did not eat at a restaurant; the transparent pretense is that the food is taken home to feed the customer's dog
 
dogleg
a golf hole with a sharp angle in the fairway
 
dogstooth check
textile with a pattern of small broken or jagged checks
 
dogtooth
a carved pyramidal ornament; used in 13th century England
 
doily
a small round piece of linen placed under a dish or bowl
 
doll
a small replica of a person; used as a toy
 
dollhouse
a small model of a house used as a toy by children
 
dollhouse
a house so small that it is likened to a child's plaything
 
dolly
conveyance consisting of a wheeled platform for moving heavy objects
 
dolly
conveyance consisting of a wheeled support on which a camera can be mounted
 
dolman
a woman's cloak with dolman sleeves
 
dolman sleeve
a sleeve with a large armhole and tight cuff
 
dolman
a hussar's jacket worn over the shoulders
 
Dolobid
nonsteroidal anti-inflammatory (trade name Dolobid) used to treat arthritis and other inflammatory conditions
 
dolophine hydrochloride
synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction
 
dolphin striker
spar under the bowsprit of a sailboat
 
dome
a hemispherical roof
 
domino
a small rectangular block used in playing the game of dominoes; the face of each block has two equal areas that can bear 0 to 6 dots
 
domino
a loose hooded cloak worn with a half mask as part of a masquerade costume
 
domino
a mask covering the upper part of the face but with holes for the eyes
 
dongle
(computer science) an electronic device that must be attached to a computer in order for it to use protected software
 
donjon
the main tower within the walls of a medieval castle or fortress
 
donkey cart
a cart with an underslung axle and two seats
 
donkey engine
a locomotive for switching rolling stock in a railroad yard
 
donkey jacket
a short thick jacket; often worn by workmen
 
doodad
something unspecified whose name is either forgotten or not known
 
doodle
an aimless drawing
 
doodlebug
a small motor vehicle
 
door
a swinging or sliding barrier that will close the entrance to a room or building or vehicle
 
door
a room that is entered via a door
 
door
a structure where people live or work (usually ordered along a street or road)
 
door latch
spring-loaded doorlock that can only be opened from the outside with a key
 
door
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
 
doorcase
the frame that supports a door
 
doorhandle
a knob used to release the catch when opening a door (often called `doorhandle' in Great Britain)
 
doorjamb
a jamb for a door
 
doorknocker
a device (usually metal and ornamental) attached by a hinge to a door
 
doorlock
a lock on an exterior door
 
doormat
a mat placed outside an exterior door for wiping the shoes before entering
 
doornail
a nail with a large head; formerly used to decorate doors
 
doorplate
a nameplate fastened to a door; indicates the person who works or lives there
 
doorsill
the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
 
doorstop
a stop that keeps open doors from moving
 
dooryard
a yard outside the front or rear door of a house
 
Doppler radar
radar that uses the Doppler shift to measure velocity
 
Doriden
sedative (trade name Doriden) used to treat some sleep disorders
 
dorm room
a large sleeping room containing several beds
 
dorm
a college or university building containing living quarters for students
 
dormer window
the window in a gabled extension built to accommodate a window
 
dormer
a gabled extension built out from a sloping roof to accommodate a vertical window
 
dosage
a measured portion of medicine taken at any one time
 
dosemeter
a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity)
 
dossal
an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel
 
dosshouse
a cheap lodging house
 
dot matrix printer
a printer that represents each character as a pattern of dots from a dot matrix
 
double bed
a bed wide enough to accommodate two sleepers
 
double boiler
two saucepans, one fitting inside the other
 
double clinch
a clinch with two loops
 
double crochet
a kind of crochet stitch
 
double door
two vertical doors that meet in the middle of the door frame when closed
 
double glazing
a window with two panes of glass and a space between them; reduces heat and noise transmission through the window
 
double knit
a knit fabric similar to jersey that is made with two sets of needles producing a double thickness joined by interlocking stitches
 
double reed
a pair of joined reeds that vibrate together to produce the sound in some woodwinds
 
double reed
a woodwind that has a pair of joined reeds that vibrate together
 
double-breasted jacket
a jacket having fronts that overlap enough for two separate rows of buttons
 
double-breasted suit
a suit with a double-breasted jacket
 
double-hung window
a window having two sashes that slide up and down
 
double-magnum
a large wine bottle (holds 4/5 of a gallon)
 
double-prop
a propeller plane with an engine that drives two propellers in opposite directions (for stability)
 
doubler
an electronic device that doubles the voltage or the frequency of an input signal
 
doublet
a man's close-fitting jacket; worn during the Renaissance
 
doubletree
a crossbar on a wagon or carriage to which two whiffletrees are attached in order to harness two horses abreast
 
douche
a small syringe with detachable nozzles; used for vaginal lavage and enemas
 
Dover's powder
a medicinal powder made essentially of ipecac and opium; formerly used to relieve pain and induce perspiration
 
dovetail plane
a woodworking plane designed to make the grooves for dovetail joints
 
dovetail
a mortise joint formed by interlocking tenons and mortises
 
dowel
a fastener that is inserted into holes in two adjacent pieces and holds them together
 
downcast
a ventilation shaft through which air enters a mine
 
downstage
the front half of the stage (as seen from the audience)
 
doxorubicin
an antibiotic used as an anticancer drug
 
DPT vaccine
abbreviation for combination vaccine against diphtheria and pertussis (whooping cough) and tetanus toxoids; usually given in a series of injections in early childhood
 
draft
a regulator for controlling the flow of air in a fireplace
 
draft
a dose of liquid medicine
 
draft
a preliminary sketch of a design or picture
 
drafting board
a smooth board on which paper is placed for making drawings
 
drafting instrument
an instrument used by a draftsman in making drawings
 
drafting table
a worktable with adjustable top
 
drag
clothing that is conventionally worn by the opposite sex (especially women's clothing when worn by a man)
 
dragee
pill that is a sugar-coated medicated candy
 
dragger
a fishing boat that uses a trawl net or dragnet to catch fish
 
dragnet
a conical fishnet dragged through the water at great depths
 
Dragunov
a sniper rifle with a telescopic sight
 
drain
tube inserted into a body cavity (as during surgery) to remove unwanted material
 
drain basket
a filter in a sink drain; traps debris but passes water
 
drain
a pipe through which liquid is carried away
 
drainage ditch
a ditch for carrying off excess water or sewage
 
drainage system
a system of watercourses or drains for carrying off excess water
 
drainboard
a board beside a kitchen sink and inclined to drain into the sink
 
drainplug
a removable plug for holding water in a tub or basin
 
Dramamine
antihistamine and antiemetic (trade name Dramamine) used to treat motion sickness
 
drape
a sterile covering arranged over a patient's body during a medical examination or during surgery in order to reduce the possibility of contamination
 
drapery
cloth gracefully draped and arranged in loose folds
 
draw
a playing card or cards dealt or taken from the pack
 
draw
anything (straws or pebbles etc.) taken or chosen at random
 
drawbar
a strong metal bar bearing a hook to attach something to be pulled
 
drawbridge
a bridge that can be raised to block passage or to allow boats or ships to pass beneath it
 
drawer
a boxlike container in a piece of furniture; made so as to slide in and out
 
drawing
a representation of forms or objects on a surface by means of lines
 
drawing card
a featured article of merchandise sold at a loss in order to draw customers
 
drawing chalk
colored chalks used by artists
 
drawing pin
a tack for attaching papers to a bulletin board or drawing board
 
drawing room
a private compartment on a sleeping car with three bunks and a toilet
 
drawing room
a formal room where visitors can be received and entertained
 
drawing string
a tie consisting of a cord that goes through a seam around an opening
 
drawknife
a woodworker's knife to shave surfaces
 
drawnwork
ornamental needlework done by drawing threads to form lacelike patterns
 
drawstring bag
a bag that is closed at the top with a drawstring
 
dreadnaught
battleship that has big guns all of the same caliber
 
dreck
merchandise that is shoddy or inferior
 
dredge
a power shovel to remove material from a channel or riverbed
 
dredger
a barge (or a vessel resembling a barge) that is used for dredging
 
dredging bucket
a bucket for lifting material from a channel or riverbed
 
dress blues
a dress uniform for formal occasions
 
dress rack
a rack used primarily to display dresses for sale in a store
 
dress shirt
a man's white shirt (with a starch front) for evening wear (usually with a tuxedo)
 
dress suit
formalwear consisting of full evening dress for men
 
dress uniform
a military uniform worn on formal occasions
 
dress
a one-piece garment for a woman; has skirt and bodice
 
dresser
a cabinet with shelves
 
dresser
low table with mirror or mirrors where one sits while dressing or applying makeup
 
dressing case
a small piece of luggage for carrying brushes and bottles and toilet articles while traveling
 
dressing gown
a robe worn before dressing or while lounging
 
dressing room
a room in which you can change clothes
 
dressing sack
a woman's loose jacket; worn while dressing
 
dressing
a cloth covering for a wound or sore
 
drier
an appliance that removes moisture
 
drift net
a large fishnet supported by floats; it drifts with the current
 
drift
a horizontal (or nearly horizontal) passageway in a mine
 
drill
a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
 
drill bit
a bit used in drilling for oil
 
drill press
a machine tool with a separate, upright stand; an electric drill is pressed into the work automatically or with a hand lever
 
drill rig
rig used in drilling for oil or gas
 
drill site
workplace that is the site of a drill hole
 
drilling pipe
a series of tubes (joined by screwed collars) that connect a drilling platform to the drilling bit; rotates the bit and supplies drilling mud
 
drilling platform
drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially
 
drinking glass
a container made of glass for holding liquids while drinking
 
drinking straw
a thin paper or plastic tube used to suck liquids into the mouth
 
drinking vessel
a vessel intended for drinking
 
drip loop
a downward hanging loop in a line that runs to a building
 
drip mat
a small mat placed under a glass to protect a surface from condensation
 
drip pan
pan under a refrigerator for collecting liquid waste
 
drip pan
pan for catching drippings under roasting meat
 
drip pot
a coffeepot for making drip coffee
 
drip
(architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
 
dripstone
a protective drip that is made of stone
 
drive
a mechanism by which force or power is transmitted in a machine
 
drive
(computer science) a device that writes data onto or reads data from a storage medium
 
drive line
mechanism that transmits power from the engine to the driving wheels of a motor vehicle
 
drive
a road leading up to a private house
 
drive
a wide scenic road planted with trees
 
drive-in
any installation designed to accommodate patrons in their automobiles
 
driven well
a well made by driving a tube into the earth to a stratum that bears water
 
driver
a golf club (a wood) with a near vertical face that is used for hitting long shots from the tee
 
driveshaft
a rotating shaft that transmits power from the engine to the point of application
 
driving axle
the axle of a self-propelled vehicle that provides the driving power
 
driving belt
a belt that carries motion from a motor to the machinery
 
driving iron
(golf) the long iron with the most nearly vertical face
 
driving range
a practice range for practicing golf shots
 
driving wheel
a wheel that drives a motor vehicle (transforms torque into a tractive force)
 
Drixoral
the trade name for a drug used to treat upper respiratory congestion; it contains an antihistamine and a bronchodilator and a vasoconstrictor
 
drogue parachute
a small parachute that pulls the main parachute from its storage pack
 
drogue
a parachute used to decelerate an object that is moving rapidly
 
drogue
restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind
 
dronabinol
psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy
 
drone
an aircraft without a pilot that is operated by remote control
 
drop
a central depository where things can be left or picked up
 
drop arch
a blunt pointed arch drawn from two centers within the span
 
drop cloth
a large piece of cloth laid over the floor or furniture while a room is being painted
 
drop earring
an earring with a pendant ornament
 
drop forge
device for making large forgings
 
drop
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
 
drop-leaf
a hinged leaf on a table that can be raised and supported by a bracket
 
drop-leaf table
a table that has a drop-leaf to enlarge its surface
 
dropper
pipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time
 
droshky
an open horse-drawn carriage with four wheels; formerly used in Poland and Russia
 
drove
a stonemason's chisel with a broad edge for dressing stone
 
drug
a substance that is used as a medicine or narcotic
 
drug of abuse
a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
 
drugget
a rug made of a coarse fabric having a cotton warp and a wool filling
 
drum brake
hydraulic brake in which friction is applied to the inside of a spinning drum by the brake shoe
 
drum printer
a line printer in which the type is mounted on a rotating drum that contains a full character set for each printing position
 
drum sander
a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor
 
drum
a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
 
drum
a cylindrical metal container used for shipping or storage of liquids
 
drumhead
a membrane that is stretched taut over a drum
 
drumstick
a stick used for playing a drum
 
dry battery
a voltaic battery consisting of two or more dry cells
 
dry cell
a small Leclanche cell containing no free liquid; the electrolyte is a paste and the negative zinc pole forms the container of the cell; used in flashlights, portable radios, etc.
 
dry dock
a large dock from which water can be pumped out; used for building ships or for repairing a ship below its waterline
 
dry fly
a fly (fisherman's lure) that skims the surface of the water
 
dry kiln
a kiln for drying and seasoning lumber
 
dry masonry
masonry without mortar
 
dry mop
a dry swab for dusting floors
 
dry mustard
a substance such that one to three tablespoons dissolved in a glass of warm water is a homemade emetic
 
dry point
a steel needle for engraving without acid on a bare copper plate
 
dry point
a print produced by dry point engraving
 
dry wall
a stone wall made with stones fitted together without mortar
 
dry wall
a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses
 
dry-bulb thermometer
an ordinary thermometer with a dry bulb; used to measure the air temperature
 
drygoods
textiles or clothing and related merchandise
 
DSL
a generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speeds
 
dual scan display
a type of passive matrix display in which the top and bottom half of the screen are refreshed simultaneously
 
dubbing
a new soundtrack that is added to a film
 
duck
a heavy cotton fabric of plain weave; used for clothing and tents
 
duckboard
a boardwalk laid across muddy ground
 
duckpin
a bowling pin that is short and squat by comparison with a tenpin
 
duct
an enclosed conduit for a fluid
 
duct tape
a wide silvery adhesive tape intended to seal joints in sheet metal duct work but having many other uses
 
dudeen
a clay pipe with a short stem
 
duds
informal terms for clothing
 
duffel coat
a warm coat made of duffel; usually has a hood and fastens with toggles
 
duffel
a large cylindrical bag of heavy cloth; for carrying personal belongings
 
duffel
a coarse heavy woolen fabric
 
dugout
either of two low shelters on either side of a baseball diamond where the players and coaches sit during the game
 
dugout
a canoe made by hollowing out and shaping a large log
 
Duke University
a university in Durham, North Carolina
 
dulciana
the organ stop having a tone of soft sweet string quality
 
dulcimer
a trapezoidal zither whose metal strings are struck with light hammers
 
dulcimer
a stringed instrument used in American folk music; an elliptical body and a fretted fingerboard and three strings
 
dumb bomb
a bomb that falls because of gravity and is not guided to a target
 
dumbbell
an exercising weight; two spheres connected by a short bar that serves as a handle
 
dumbwaiter
a small elevator used to convey food (or other goods) from one floor of a building to another
 
dumdum
a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound
 
dummy
a figure representing the human form
 
dump
a place where supplies can be stored
 
dump truck
truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity
 
dumpcart
a cart that can be tilted to empty contents without handling
 
Dumpster
a container designed to receive and transport and dump waste
 
Dumpy level
a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
 
dunce cap
a cone-shaped paper hat formerly placed on the head of slow or lazy pupils
 
dungeon
a dark cell (usually underground) where prisoners can be confined
 
duplex
an apartment having rooms on two floors that are connected by a staircase
 
duplex
a house with two units sharing a common wall
 
duplicate
a copy that corresponds to an original exactly
 
duplicate
something additional of the same kind
 
durable press
a fabric that has been chemically processed to resist wrinkles and hold its shape
 
durbar
the room in the palace of a native prince of India in which audiences and receptions occur
 
dust bag
a bag into which dirt is sucked by a vacuum cleaner
 
dust coat
a loose coverall (coat or frock) reaching down to the ankles
 
dust cover
a removable plastic protective covering for a piece of equipment
 
dust cover
a large piece of cloth used to cover furniture that is not in use for a long period
 
dustcart
a truck for collecting domestic refuse
 
dustcloth
a piece of cloth used for dusting
 
dustpan
a short-handled receptacle into which dust can be swept
 
Dutch door
an exterior door divided in two horizontally; either half can be closed or open independently
 
Dutch hoe
a hoe that is used by pushing rather than pulling
 
Dutch oven
an oven consisting of a metal box for cooking in front of a fire
 
Dutch oven
iron or earthenware cooking pot; used for stews
 
DVD
a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
 
dye-works
a workshop where dyeing is done
 
dynamite
an explosive containing nitrate sensitized with nitroglycerin absorbed on wood pulp
 
dynamo
generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature
 
dynamometer
measuring instrument designed to measure power
 
Dynapen
antibacterial (trade name Dynapen) used to treat staphylococcal infections that are resistant to penicillin
 
E-bomb
a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings
 
Eames chair
a chair designed by Charles Eames; originally made of molded plywood; seat and back shaped to fit the human body
 
ear hole
a hole (as in a helmet) for sound to reach the ears
 
ear trumpet
a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
 
earflap
one of two flaps attached to a cap to keep the ears warm
 
early warning radar
a radar that is part of an early warning system
 
early warning system
a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them
 
earmuff
either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather
 
earphone
electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
 
earplug
a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
 
earplug
an earphone that is inserted into the ear canal
 
earring
jewelry to ornament the ear; usually clipped to the earlobe or fastened through a hole in the lobe
 
earth
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
 
earth-closet
a small outbuilding with a bench having holes through which a user can defecate
 
earthenware
ceramic ware made of porous clay fired at low heat
 
earthwork
an earthen rampart
 
easel
an upright tripod for displaying something (usually an artist's canvas)
 
easy chair
a comfortable upholstered armchair
 
eatery
a building where people go to eat
 
eau de toilette
a perfumed liquid lighter than cologne
 
eaves
the overhang at the lower edge of a roof
 
ecce homo
a representation (a picture or sculpture) of Jesus wearing a crown of thorns
 
ecclesiastical attire
attire that is appropriate to wear in a church
 
echelon
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
 
echinus
ovolo molding between the shaft and the abacus of a Doric column
 
echo chamber
an enclosed space for producing reverberation of a sound
 
echocardiograph
a sonograph that creates an image of the heart and its abnormalities
 
echoencephalograph
a sonograph that creates an image of the brain and its abnormalities
 
echogram
an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs
 
Edecrin
diuretic (trade name Edecrin) used to treat edema
 
edge
a sharp side formed by the intersection of two surfaces of an object
 
edge
the outside limit of an object or area or surface; a place farthest away from the center of something
 
edge tool
any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)
 
edger
garden tool for cutting grass around the edges of a yard
 
edging
border consisting of anything placed on the edge to finish something (such as a fringe on clothing or on a rug)
 
Edronax
an antidepressant drug that blocks the reuptake of norepinephrine
 
EDS
a rapid automatic system to detect plastic explosives in passengers' luggage using X-ray technology and computers; designed for use in airports
 
efficiency apartment
a furnished apartment with a kitchenette and bathroom
 
effigy
a representation of a person (especially in the form of sculpture)
 
egg cup
dishware consisting of a small cup for serving a boiled egg
 
egg timer
a sandglass that runs for three minutes; used to time the boiling of eggs
 
egg-and-anchor
a decorative molding; a series of egg-shaped figures alternating with another shape
 
eggbeater
a mixer for beating eggs or whipping cream
 
Eiffel Tower
a wrought iron tower 300 meters high that was constructed in Paris in 1889; for many years it was the tallest man-made structure
 
eight ball
a black pool ball bearing the number 8; should be the last to go in certain pool games
 
eight
one of four playing cards in a deck with eight pips on the face
 
eightpenny nail
a nail 2.5 inches long
 
el
a railway that is powered by electricity and that runs on a track that is raised above the street level
 
elastic
a fabric made of yarns containing an elastic material
 
elastic bandage
a bandage containing stretchable material that can apply local pressure
 
elastic device
any flexible device that will return to its original shape when stretched
 
elastic
a narrow band of elastic rubber used to hold things (such as papers) together
 
Elastoplast
an elastic adhesive bandage for covering cuts or wounds
 
Elavil
a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications
 
elbow
the part of a sleeve that covers the elbow joint
 
elbow
a sharp bend in a road or river
 
elbow
a length of pipe with a sharp bend in it
 
elbow pad
protective garment consisting of a pad worn over the elbow by football and hockey players
 
electric bell
a bell activated by the magnetic effect of an electric current
 
electric blanket
a blanket containing and electric heating element that can be controlled to the desired temperature by a rheostat
 
electric clock
a clock using a small electric motor
 
electric drill
a rotating power drill powered by an electric motor
 
electric eye
a transducer used to detect and measure light and other radiations
 
electric fire
a small electric space heater
 
electric frying pan
a frying pan heated by electricity
 
electric furnace
any furnace in which the heat is provided by an electric current
 
electric guitar
a guitar whose sound is amplified by electrical means
 
electric hammer
a hammer driven by electric motor
 
electric lamp
a lamp powered by electricity
 
electric locomotive
a locomotive that is powered by an electric motor
 
electric main
a main that distributes electricity
 
electric meter
a meter for measuring the amount of electric power used
 
electric mixer
a food mixer powered by an electric motor
 
electric motor
a motor that converts electricity to mechanical work
 
electric outlet
receptacle providing a place in a wiring system where current can be taken to run electrical devices
 
electric range
a kitchen range in which the heat for cooking is provided by electric power
 
electric razor
a razor powered by an electric motor
 
electric refrigerator
a refrigerator in which the coolant is pumped around by an electric motor
 
electric socket
a socket into which a lightbulb can be inserted
 
electric switch
control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
 
electric thermometer
a thermometer that uses thermoelectric current to measure temperature
 
electric toothbrush
a toothbrush with an electric motor in the handle that vibrates the head of the brush
 
electric typewriter
a typewriter powered by an electric motor
 
electric
a car that is powered by electricity
 
electric-discharge lamp
an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube
 
electrical cable
a cable that provides an electrical connection for telephone or television or power stations
 
electrical contact
contact that allows current to pass from one conductor to another
 
electrical converter
converter that converts alternating current into direct current or vice versa
 
electrical device
a device that produces or is powered by electricity
 
electrical fuse
an electrical device that can interrupt the flow of electrical current when it is overloaded
 
electrical plant
utility that provides electricity
 
electrical relay
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
 
electrical system
equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio
 
electro-acoustic transducer
a transducer that converts electrical to acoustic energy or vice versa
 
electrode
a conductor used to make electrical contact with some part of a circuit
 
electrodynamometer
measuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power
 
electroencephalograph
medical instrument that records electric currents generated by the brain
 
electrograph
electrical device used for etching by electrolytic means
 
electrograph
an apparatus for the electrical transmission of pictures
 
electrolytic cell
a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen)
 
electrolytic
a fixed capacitor consisting of two electrodes separated by an electrolyte
 
electromagnet
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
 
electromagnetic delay line
a delay line based on the time of propagation of electromagnetic waves
 
electromechanical device
a mechanical device that is operated by electricity
 
electrometer
meter to measure electrostatic voltage differences; draws no current from the source
 
electromyograph
a medical instrument that records the electrical waves associated with the activity of skeletal muscles
 
electron accelerator
collider that consists of an accelerator that collides electrons and positrons
 
electron gun
the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
 
electron lens
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
 
electron microscope
a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
 
electron multiplier
a vacuum tube that amplifies a flow of electrons
 
electron tube
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
 
electronic balance
a balance that generates a current proportional to the displacement of the pan
 
electronic converter
(telecommunication) converter for converting a signal from one frequency to another
 
electronic device
a device that accomplishes its purpose electronically
 
electronic equipment
equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
 
electronic fetal monitor
an electronic monitor that monitors fetal heartbeat and the mother's uterine contractions during childbirth
 
electronic instrument
a musical instrument that generates sounds electronically
 
electronic network
(electronics) a system of interconnected electronic components or circuits
 
electronic scanner
a radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition
 
electronic stylus
(computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
 
electronic transistor
a semiconductor device capable of amplification
 
electronic voltmeter
a voltmeter whose sensitivity is increased by amplification
 
electrophorus
a simple electrostatic generator that generates repeated charges of static electricity
 
electroplate
any artifact that has been plated with a thin coat of metal by electrolysis
 
electroscope
measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign
 
electrostatic printer
a printer that uses an electric charge to deposit toner on paper
 
elevation
drawing of an exterior of a structure
 
elevator
the airfoil on the tailplane of an aircraft that makes it ascend or descend
 
elevator shaft
a vertical shaft in a building to permit the passage of an elevator from floor to floor
 
elevator
lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building
 
Elixophyllin
a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
 
ell
an extension at the end and at right angles to the main building
 
elongation
an addition to the length of something
 
Elspar
antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia
 
embankment
a long artificial mound of stone or earth; built to hold back water or to support a road or as protection
 
embassy
a diplomatic building where ambassadors live or work
 
embellishment
a superfluous ornament
 
emblem
special design or visual object representing a quality, type, group, etc.
 
embossment
sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background
 
embouchure
the aperture of a wind instrument into which the player blows directly
 
embrasure
an opening (in a wall or ship or armored vehicle) for firing through
 
embrocation
a medicinal liquid that is rubbed into the skin to relieve muscular stiffness and pain
 
embroidery frame
a frame made of two hoops; used for embroidering
 
embroidery stitch
a stitch made with thread and a threaded sewing needle through fabric or leather
 
embroidery
decorative needlework
 
emergency exit
a stairway (often on the outside of a building) that permits exit in the case of fire or other emergency
 
emergency
a brake operated by hand; usually operates by mechanical linkage
 
emery wheel
a wheel composed of abrasive material; used for grinding
 
emesis basin
a basin used by bedridden patients for vomiting
 
emetic
a medicine that induces nausea and vomiting
 
Emetrol
trade name for an antiemetic drug that has a mint flavor
 
emitter
the electrode in a transistor where electrons originate
 
empennage
the rear part of an aircraft
 
Empire State Building
a skyscraper built in New York City in 1931; 1250 feet tall
 
emplacement
military installation consisting of a prepared position for siting a weapon
 
empty
a container that has been emptied
 
emulsion
a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
 
enamel
any smooth glossy coating that resembles ceramic glaze
 
enamel
a paint that dries to a hard glossy finish
 
enamelware
cooking utensil of enameled iron
 
Enbrel
a genetically engineered anti-TNF compound (trade name Enbrel) consisting of receptors that bind TNF; it is injected twice a week in the treatment of rheumatoid arthritis
 
encaustic
a paint consisting of pigment mixed with melted beeswax; it is fixed with heat after application
 
encephalogram
an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast
 
enclosure
a structure consisting of an area that has been enclosed for some purpose
 
encrustation
a decorative coating of contrasting material that is applied to a surface as an inlay or overlay
 
encumbrance
any obstruction that impedes or is burdensome
 
end product
final product; the things produced
 
end
a piece of cloth that is left over after the rest has been used or sold
 
endoscope
a long slender medical instrument for examining the interior of a bodily organ or performing minor surgery
 
endotracheal tube
a catheter that is inserted into the trachea through the mouth or nose in order to maintain an open air passage or to deliver oxygen or to permit the suctioning of mucus or to prevent aspiration of the stomach contents
 
energiser
a device that supplies electrical energy
 
engagement ring
a ring given and worn as a sign of betrothal
 
engine
motor that converts thermal energy to mechanical work
 
engine
an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.
 
engine room
a room (as on a ship) in which the engine is located
 
engine
a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
 
enginery
machinery consisting of engines collectively
 
English cavalry saddle
a saddle having a steel cantle and pommel and no horn
 
English concertina
a concertina developed in England
 
English horn
a double-reed woodwind instrument similar to an oboe but lower in pitch
 
engraving
a block or plate or other hard surface that has been engraved
 
engraving
a print made from an engraving
 
Enkaid
antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
 
enlarger
photographic equipment consisting of an optical projector used to enlarge a photograph
 
Enovid
trade name for an oral contraceptive containing mestranol and norethynodrel
 
ensemble
a coordinated outfit (set of clothing)
 
ensign
colors flown by a ship to show its nationality
 
entablature
(architecture) the structure consisting of the part of a classical temple above the columns between a capital and the roof
 
entanglement
an intricate trap that entangles or ensnares its victim
 
enteric-coated aspirin
aspirin that is treated to pass through the stomach unaltered and to dissolve in the intestines
 
entertainment center
a wall unit containing sound and television systems
 
entrance
something that provides access (to get in or get out)
 
entrant
a commodity that enters competition with established merchandise
 
entrenching tool
a hand shovel carried by infantrymen for digging trenches
 
entrenchment
an entrenched fortification; a position protected by trenches
 
entresol
intermediate floor just above the ground floor
 
envelope
any wrapper or covering
 
envelope
a flat (usually rectangular) container for a letter, thin package, etc.
 
envelope
the bag containing the gas in a balloon
 
eolith
a crude stone artifact (as a chipped flint); possibly the earliest tools
 
epaulet
adornment consisting of an ornamental cloth pad worn on the shoulder
 
epauliere
armor plate that protects the shoulder
 
epee
a fencing sword similar to a foil but with a heavier blade
 
epergne
a large table centerpiece with branching holders for fruit or sweets or flowers
 
epicyclic gear train
a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
 
epicyclic gear
an outer gear that revolves about a central sun gear of an epicyclic train
 
epidiascope
an optical projector that gives images of both transparent and opaque objects
 
epilating wax
a mixture of resins and waxes to remove cosmetically undesirable hair; mixture is applied hot to the surface and after cooling is pulled away taking the hairs with it
 
episode
film consisting of a succession of related shots that develop a given subject in a movie
 
EPROM
(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data
 
Epsom salts
(used with a singular noun) hydrated magnesium sulfate used as a laxative
 
equal-area map projection
a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe
 
equaliser
electronic equipment that reduces frequency distortion
 
Equanil
a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety
 
equatorial
a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it
 
equipage
equipment and supplies of a military force
 
equipment
an instrumentality needed for an undertaking or to perform a service
 
ER
a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
 
eraser
an implement used to erase something
 
erecting prism
a right-angled optical prism used to turn an inverted image upright
 
erection
a structure that has been erected
 
Erlenmeyer flask
a conical flask with a wide base and narrow neck
 
Erythrocin
an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
 
escalator
a stairway whose steps move continuously on a circulating belt
 
escape hatch
hatchway that provides a means of escape in an emergency
 
escape wheel
gear that engages a rocking lever
 
escape
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
 
escapement
mechanical device that regulates movement
 
escarp
a steep artificial slope in front of a fortification
 
escritoire
a desk used for writing
 
escutcheon
(nautical) a plate on a ship's stern on which the name is inscribed
 
escutcheon
a flat protective covering (on a door or wall etc) to prevent soiling by dirty fingers
 
escutcheon
a shield; especially one displaying a coat of arms
 
esophagoscope
an optical instrument for examining the inside of the esophagus
 
espadrille
a sandal with a sole made of rope or rubber and a cloth upper part
 
espalier
a trellis on which ornamental shrub or fruit tree is trained to grow flat
 
esplanade
a long stretch of open level ground (paved or grassy) for walking beside the seashore
 
espresso maker
a coffee maker that forces live steam under pressure through dark roasted coffee grounds
 
espresso shop
a cafe where espresso is served
 
essence
a toiletry that emits and diffuses a fragrant odor
 
establishment
a public or private structure (business or governmental or educational) including buildings and equipment for business or residence
 
estaminet
a small (and usually shabby) cafe selling wine and beer and coffee
 
estradiol patch
a transdermal patch that allows estradiol to be absorbed into the blood stream; used in treating estrogen deficiency and in hormone replacement therapy
 
estrogen antagonist
an antagonist for estrogen that is used in the treatment of breast cancer
 
etagere
a piece of furniture with open shelves for displaying small ornaments
 
etamin
a soft cotton or worsted fabric with an open mesh; used for curtains or clothing etc.
 
etcetera
additional unspecified odds and ends; more of the same
 
etching
an etched plate made with the use of acid
 
etching
an impression made from an etched plate
 
ETD
a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives
 
ethernet
a type of network technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second
 
ethernet cable
any of several types of coaxial cable used in ethernets
 
ethical drug
a drug that is available only with written instructions from a doctor or dentist to a pharmacist
 
Ethocaine
a white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine
 
Ethrane
a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic
 
ethyl chloride
a colorless flammable gas used as a local surface anesthetic
 
Eton collar
broad white collar worn over the lapels of a jacket
 
Eton jacket
a jacket hanging to the waist and cut square at the bottom
 
etui
small ornamental ladies' bag for small articles
 
eudiometer
measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
 
euphonium
a bass horn (brass wind instrument) that is the tenor of the tuba family
 
euphoriant
a psychoactive drug that tends to produce elation and euphoria
 
evaporative cooler
a cooling system that cools by evaporation
 
evening bag
a handbag used with evening wear
 
evening clothes
attire to wear on formal occasions in the evening
 
ewer
an open vessel with a handle and a spout for pouring
 
Excalibur
the legendary sword of King Arthur
 
excavation
a hole in the ground made by excavating
 
exchange
a workplace for buying and selling; open only to members
 
excitant
a drug that temporarily quickens some vital process
 
exercise bike
an exercise device resembling a stationary bike
 
exercise device
a device designed to provide exercise for the user
 
exerciser
sports equipment used in gymnastic exercises
 
exercising weight
sports equipment used in calisthenic exercises and weightlifting; it is not attached to anything and is raised and lowered by use of the hands and arms
 
exhaust fan
a fan that moves air out of an enclosure
 
exhaust hood
metal covering leading to a vent that exhausts smoke or fumes
 
exhaust manifold
a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe
 
exhaust pipe
a pipe through which burned gases travel from the exhaust manifold to the muffler
 
exhaust valve
a valve through which burned gases from a cylinder escape into the exhaust manifold
 
exhaust
system consisting of the parts of an engine through which burned gases or steam are discharged
 
exhibition area
a large hall for holding exhibitions
 
exit
an opening that permits escape or release
 
Exocet
a guided missile developed by the French government for use against ships
 
expansion bit
a bit with a cutting blade that can be adjusted to different sizes
 
expansion bolt
a bolt that has an attachment that expands as the bolt is driven into a surface
 
expansion slot
(computer) a socket in a microcomputer that will accept a plug-in circuit board
 
expectorant
a medicine promoting expectoration
 
explosive
a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
 
explosive compound
a compound that is explosive
 
explosive device
device that bursts with sudden violence from internal energy
 
explosive mixture
a mixture that is explosive
 
export
commodities (goods or services) sold to a foreign country
 
exposure meter
photographic equipment that measures the intensity of light
 
exposure
a representation of a person or scene in the form of a print or transparent slide or in digital format
 
express luxury liner
a liner equipped for sumptuous living
 
express
public transport consisting of a fast train or bus that makes only a few scheduled stops
 
expressway
a broad highway designed for high-speed traffic
 
extension cord
an electric cord used to extend the length of a power cord
 
extension ladder
a ladder whose length can be extended
 
extension
an additional telephone set that is connected to the same telephone line
 
exterior door
a doorway that allows entrance to or exit from a building
 
external drive
a drive with its own power supply and fan mounted outside the computer system enclosure and connected to the computer by a cable
 
external-combustion engine
a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy
 
extractor
an instrument for extracting tight-fitting components
 
eye
a small hole or loop (as in a needle)
 
eye cup
a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
 
eyebrow pencil
makeup provided by a cosmetic pencil that is used to darken the eyebrows
 
eyeglass
lens for correcting defective vision in one eye; held in place by facial muscles
 
eyeglasses
(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
 
eyehole
a small hole (usually round and finished around the edges) in cloth or leather for the passage of a cord or hook or bar
 
eyehole
a hole (in a door or an oven etc) through which you can peep
 
eyeliner
makeup applied to emphasize the shape of the eyes
 
eyepatch
a protective cloth covering for an injured eye
 
eyepiece
combination of lenses at the viewing end of optical instruments
 
eyeshadow
makeup consisting of a cosmetic substance used to darken the eyes
 
facade
the face or front of a building
 
face
a vertical surface of a building or cliff
 
face
the side upon which the use of a thing depends (usually the most prominent surface of an object)
 
face
the striking or working surface of an implement
 
face cloth
bath linen consisting of a piece of cloth used to wash the face and body
 
face guard
face mask consisting of a strong wire mesh on the front of football helmets
 
face mask
mask that provides a protective covering for the face in such sports as baseball or football or hockey
 
face pack
a cream that cleanses and tones the skin
 
face powder
cosmetic powder for the face
 
face towel
a small towel used to dry the hands or face
 
face veil
a piece of more-or-less transparent material that covers the face
 
faceplate
a protective covering for the front of a machine or device (as a door lock or computer component)
 
facility
a building or place that provides a particular service or is used for a particular industry
 
facing
a lining applied to the edge of a garment for ornamentation or strengthening
 
facing
an ornamental coating to a building
 
facsimile
duplicator that transmits the copy by wire or radio
 
factory ship
a whaling ship equipped to process whale products at sea
 
factory whistle
a whistle at a factory that is sounded to announce times for starting or stopping work
 
factory
a plant consisting of one or more buildings with facilities for manufacturing
 
FAE
a device consisting of a container of fuel and two explosive charges; the first charge bursts open the fuel container at a predetermined height and spreads the fuel in a cloud that mixes with atmospheric oxygen; the second charge detonates the cloud which creates an enormous blast wave and incinerates whatever is below
 
fag end
the frayed end of a length of cloth or rope
 
faggot stitch
the stitch that ties a group of parallel threads together in fagoting
 
faggot
a bundle of sticks and branches bound together
 
faggoting
embroidery in which groups of parallel threads are tied together with fagot stitches
 
Fahrenheit thermometer
a thermometer calibrated in degrees Fahrenheit
 
faience
glazed earthenware decorated with opaque colors
 
fail-safe
a mechanism capable of returning to a safe state in case there is a failure or malfunction
 
faille
a ribbed woven fabric of silk or rayon or cotton
 
fairlead
a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
 
fairy light
a small colored light used for decoration (especially at Christmas)
 
fake book
a fake in the form of an imitation book; used to fill bookcases of people who wish to appear scholarly
 
fake
something that is a counterfeit; not what it seems to be
 
falchion
a short broad slightly convex medieval sword with a sharp point
 
falderol
ornamental objects of no great value
 
fallboard
the hinged protective covering that protects the keyboard of a piano when it is not being played
 
fallout shelter
a shelter to protect occupants from the fallout from an atomic bomb
 
false bottom
a horizontal structure that partitions a ship or box (especially one built close to the actual bottom)
 
false face
a mask worn as part of a masquerade costume
 
false hair
a covering or bunch of human or artificial hair used for disguise or adornment
 
false teeth
a removable denture
 
falsie
padding that is worn inside a brassiere
 
family circle
rearmost or uppermost area in the balcony containing the least expensive seats
 
family room
a recreation room in a private house
 
fan
a device for creating a current of air by movement of a surface or surfaces
 
fan belt
a belt driven by the crankshaft that drives a fan that pulls air through the radiator
 
fan blade
blade of a rotating fan
 
fan tracery
the carved tracery on fan vaulting
 
fan vaulting
an elaborate system of vaulting in which the ribs diverge like fans
 
fancy dress
a costume worn as a disguise at a masquerade party
 
fancy goods
goods that are chiefly ornamental
 
fanion
a small flag used by surveyors or soldiers to mark a position
 
fanjet
a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
 
fanjet
an airplane propelled by a fanjet engine
 
fanlight
a semicircular window over a door or window; usually has sash bars like the ribs of a fan
 
fanlight
a window in a roof to admit daylight
 
fanlight
a window above a door that is usually hinged to a horizontal crosspiece over the door
 
fantail
an overhang consisting of the fan-shaped part of the deck extending aft of the sternpost of a ship
 
farm
workplace consisting of farm buildings and cultivated land as a unit
 
farm building
a building on a farm
 
farm machine
a machine used in farming
 
farmer's market
an open-air marketplace for farm products
 
farmhouse
house for a farmer and family
 
farmplace
a farm together with its buildings
 
farmyard
an area adjacent to farm buildings
 
farthingale
a hoop worn beneath a skirt to extend it horizontally; worn by European women in the 16th and 17th centuries
 
fashion
consumer goods (especially clothing) in the current mode
 
fashion plate
a plate illustrating the latest fashion in dress
 
fast lane
the traffic lane for vehicles that are moving rapidly
 
fast reactor
nuclear reactor in which nuclear fissions are caused by fast neutrons because little or no moderator is used
 
fastener
restraint that attaches to something or holds something in place
 
fastness
a strongly fortified defensive structure
 
fat farm
a health spa that specializes in helping people lose weight
 
fathometer
depth finder for determining depth of water or a submerged object by means of ultrasound waves
 
fatigues
military uniform worn by military personnel when doing menial labor
 
faucet
a regulator for controlling the flow of a liquid from a reservoir
 
fauld
a piece of armor plate below the breastplate
 
fauteuil
an upholstered armchair
 
favor
souvenir consisting of a small gift given to a guest at a party
 
feather bed
a mattress stuffed with feathers
 
featheredge
a thin tapering edge
 
feature
an article of merchandise that is displayed or advertised more than other articles
 
feedback circuit
a circuit that feeds back some of the output to the input of a system
 
feedbag
a canvas bag that is used to feed an animal (such as a horse); covers the muzzle and fastens at the top of the head
 
feeder line
a branching path off of a main transportation line (especially an airline)
 
feeder
a machine that automatically provides a supply of some material
 
feeding chair
a chair for feeding a very young child; has four long legs and a footrest and a detachable tray
 
feedlot
a building where livestock are fattened for market
 
Feldene
a nonsteroidal anti-inflammatory drug (trade name Feldene) used to treat arthritis and other inflammatory conditions
 
fell
seam made by turning under or folding together and stitching the seamed materials to avoid rough edges
 
felloe
rim (or part of the rim) into which spokes are inserted
 
felt
a fabric made of compressed matted animal fibers
 
felucca
a fast narrow sailing ship of the Mediterranean
 
fence rail
a rail that is split from a log
 
fence
a barrier that serves to enclose an area
 
fencer's mask
a face mask made of fine mesh that is worn over a fencer's face
 
fencing sword
a sword used in the sport of fencing
 
fender
a low metal guard to confine falling coals to a hearth
 
fender
a barrier that surrounds the wheels of a vehicle to block splashing water or mud
 
fenestella
oval or circular opening; to allow light into a dome or vault
 
Feosol
trade name of a drug rich in iron; used to treat some kinds of anemia
 
Fergon
trade name of a drug rich in iron; used to treat some types of anemia
 
Ferris wheel
a vertical rotating mechanism consisting of a large wheel with suspended seats that remain upright as the wheel rotates; provides a ride at an amusement park
 
ferry
a boat that transports people or vehicles across a body of water and operates on a regular schedule
 
fertility drug
a drug used to increase a woman's fertility
 
ferule
a switch (a stick or cane or flat paddle) used to punish children
 
fess
(heraldry) an ordinary consisting of a broad horizontal band across a shield
 
festoon
an embellishment consisting of a decorative representation of a string of flowers suspended between two points; used on pottery or in architectural work
 
festoon
a curtain of fabric draped and bound at intervals to form graceful curves
 
festoon
flower chains suspended in curves between points as a decoration
 
FET
a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
 
fetich
a charm superstitiously believed to embody magical powers
 
fetoscope
a stethoscope placed on the pregnant woman's abdomen to listen for the fetal heartbeat
 
fetter
a shackle for the ankles or feet
 
fez
a felt cap (usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown
 
fiber optic cable
a cable made of optical fibers that can transmit large amounts of information at the speed of light
 
fiber
a leatherlike material made by compressing layers of paper or cloth
 
fiberboard
wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets
 
fiberscope
a flexible medical instrument involving fiber optics that is used to examine internal organs
 
fichu
a lightweight triangular scarf worn by a woman
 
fiddle
bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow
 
fiddlestick
a bow used in playing the violin
 
field artillery
movable artillery (other than antiaircraft) used by armies in the field (especially for direct support of front-line troops)
 
field coil
the electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine
 
field glass
a small refracting telescope
 
field hockey ball
ball used in playing field hockey
 
field hospital
a temporary military hospital near the battle lines
 
field house
an athletic facility where athletes prepare for sport
 
field house
a building for indoor sports
 
field lens
the lens that is farthest from the eye in an optical device with more than one lens
 
field magnet
a magnet that provides a magnetic field in a dynamo or electric motor
 
field tent
a canvas tent for use in the field
 
field-emission microscope
electron microscope used to observe the surface structure of a solid
 
field-sequential color TV system
an early form of color TV in which successive fields are scanned in three primary colors
 
fieldwork
a temporary fortification built by troops in the field
 
fife
a small high-pitched flute similar to a piccolo; has a shrill tone and is used chiefly to accompany drums in a marching band
 
fife rail
the railing surrounding the mast of a sailing vessel
 
fifth wheel
a steering bearing that enables the front axle of a horse-drawn wagon to rotate
 
fifth wheel
an extra car wheel and tire for a four-wheel vehicle
 
fig leaf
a covering consisting of anything intended to conceal something regarded as shameful
 
fighting chair
a fixed chair from which a saltwater angler can fight a hooked fish
 
figure
a model of a bodily form (especially of a person)
 
figure eight
a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose
 
figure loom
a loom for weaving figured fabrics
 
figure skate
an ice skate worn for figure skating; has a slightly curved blade and a row of jagged points at the front of the blade
 
figurehead
figure on the bow of some sailing vessels
 
figurine
a small carved or molded figure
 
filagree
delicate and intricate ornamentation (usually in gold or silver or other fine twisted wire)
 
filament
a thin wire (usually tungsten) that is heated white hot by the passage of an electric current
 
filature
a bobbin used in spinning silk into thread
 
file
a steel hand tool with small sharp teeth on some or all of its surfaces; used for smoothing wood or metal
 
file folder
folder that holds papers together in a filing cabinet
 
file server
(computer science) a digital computer that provides workstations on a network with controlled access to shared resources
 
file
office furniture consisting of a container for keeping papers in order
 
filet
lace having a square mesh
 
filler
the tobacco used to form the core of a cigar
 
filler
anything added to fill out a whole
 
fillet
fastener consisting of a narrow strip of welded metal used to join steel members
 
fillet
a narrow headband or strip of ribbon worn as a headband
 
filling
(dentistry) a dental appliance consisting of any of various substances (as metal or plastic) inserted into a prepared cavity in a tooth
 
filling station
a service station that sells gasoline
 
filling
the yarn woven across the warp yarn in weaving
 
film
a thin coating or layer
 
film advance
a mechanism for advancing film in a camera or projector
 
film
photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies
 
film
a thin sheet of (usually plastic and usually transparent) material used to wrap or cover things
 
filter
device that removes something from whatever passes through it
 
filter
an electrical device that alters the frequency spectrum of signals passing through it
 
filter bed
filter consisting of a layer of sand or gravel for filtering water
 
filter tip
an air filter on the end of a cigarette; contains material that filters the smoke
 
filter-tipped cigarette
a cigarette with a filter tip
 
fin
a stabilizer on a ship that resembles the fin of a fish
 
fin keel
a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability
 
fin
a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
 
fin
one of a set of parallel slats in a door or window to admit air and reject rain
 
fin
one of a pair of decorations projecting above the rear fenders of an automobile
 
finder
optical device that helps a user to find the target of interest
 
fine-tooth comb
a comb with teeth set close together
 
finery
elaborate or showy attire and accessories
 
finger
one of the parts of a glove that provides covering for a finger or thumb
 
finger bowl
small bowl for rinsing the fingers at table
 
finger hole
a hole for inserting a finger
 
finger hole
one of a series of holes in a woodwind instrument; pitch changes when a finger covers it
 
finger paint
paint that has the consistency of jelly
 
finger-painting
a painting produced by spreading paint with the fingers
 
fingerboard
a narrow strip of wood on the neck of some stringed instruments (violin or cello or guitar etc) where the strings are held against the wood with the fingers
 
finial
an ornament at the top of a spire or gable; usually a foliated fleur-de-lis
 
finish coat
the final coating of (eg., paint, plaster, varnish, etc.)
 
finisher
a race car that finishes a race
 
fipple
a wooden plug forming a flue pipe (as the mouthpiece of a recorder)
 
fipple flute
a tubular wind instrument with 8 finger holes and a fipple mouthpiece
 
fire
a fireplace in which a relatively small fire is burning
 
fire alarm
an alarm that is tripped off by fire or smoke
 
fire bell
a bell rung to give a fire alarm
 
fire control radar
naval radar that controls the delivery of fire on a military target
 
fire control system
naval weaponry consisting of a system for controlling the delivery of fire on a military target
 
fire door
a fire-resistant door that can be closed to stop the spread of a fire
 
fire engine
any of various large trucks that carry firemen and equipment to the site of a fire
 
fire hook
fire iron consisting of a metal rod with a handle; used to stir a fire
 
fire hose
a large hose that carries water from a fire hydrant to the site of the fire
 
fire hydrant
an upright hydrant for drawing water to use in fighting a fire
 
fire iron
metal fireside implements
 
fire screen
a metal screen before an open fire for protection (especially against flying sparks)
 
fire ship
a weapon consisting of a ship carrying explosives that is set adrift to destroy enemy ships
 
fire station
a station housing fire apparatus and firemen
 
fire tower
a watchtower where a lookout is posted to watch for fires
 
fire trench
a trench especially constructed for the delivery of small-arms fire
 
firearm
a portable gun
 
firebase
an artillery base to support advancing troops
 
fireboat
a boat equipped to fight fires on ships or along a waterfront
 
firebomb
a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
 
firebox
a furnace (as on a steam locomotive) in which fuel is burned
 
firebrick
brick made of fire clay; used for lining e.g. furnaces and chimneys
 
firelock
a muzzle loader that had a flintlock type of gunlock
 
fireman's ax
an ax that has a long handle and a head with one cutting edge and a point on the other side
 
fireplace
an open recess in a wall at the base of a chimney where a fire can be built
 
fireroom
(nautical) chamber or compartment in which the furnaces of a ship are stoked or fired
 
fireside
home symbolized as a part of the fireplace
 
firetrap
a building that would be hard to escape from if it were to catch fire
 
firewall
a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
 
firewall
(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet
 
firework
(usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc.
 
firing chamber
chamber that is the part of a gun that receives the charge
 
firing mechanism
the action that ignites the charge in a firearm
 
firing pin
striker that ignites the charge by striking the primer
 
firing range
a practice range for target practice
 
firkin
a small wooden keg
 
firmer chisel
a chisel with a thin blade for woodworking
 
first balcony
first or lowest balcony
 
first base
the base that must be touched first by a base runner in baseball
 
first class
the most expensive accommodations on a ship or train or plane
 
first floor
the floor of a building that is at or nearest to the level of the ground around the building
 
first
the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
 
first-aid kit
kit consisting of a set of bandages and medicines for giving first aid
 
first-aid station
a station providing emergency care or treatment before regular medical aid can be obtained
 
fish bowl
a transparent bowl in which small fish are kept
 
fish farm
a workplace (usually a pond) where fish are raised for food
 
fish joint
a butt joint formed by bolting fish plates to the sides of two rails or beams
 
fish knife
a small table knife with a spatula blade used for eating fish
 
fish ladder
a series of ascending pools providing a passage for salmon to swim upstream past a dam
 
fish lure
(angling) any bright artificial bait consisting of plastic or metal mounted with hooks and trimmed with feathers
 
fish slice
a food turner with a broad blade used for turning or serving fish or other food that is cooked in a frying pan
 
fisherman's bend
a knot for tying a line to a spar or ring
 
fisherman's knot
a knot for tying the ends of two lines together
 
fishery
a workplace where fish are caught and processed and sold
 
fisheye lens
a camera lens having a wider than normal angle of view (and usually a short focal length); produces an image that is foreshortened in the center and increasingly distorted in the periphery
 
fishgig
an implement with a shaft and barbed point used for catching fish
 
fishhook
a sharp barbed hook for catching fish
 
fishing boat
a vessel for fishing; often has a well to keep the catch alive
 
fishing gear
gear used in fishing
 
fishing line
a length of cord to which the leader and float and sinker and hook are attached
 
fishing net
a net that will enclose fish when it is pulled in
 
fishing pole
a rod of wood or steel or fiberglass that is used in fishing to extend the fishing line
 
fishplate
metal plate bolted along sides of two rails or beams
 
fitment
any of the items furnishing or equipping a room (especially built-in furniture)
 
fitting
a small and often standardized accessory to a larger system
 
five iron
middle-distance iron
 
five
a playing card or a domino or a die whose upward face shows five pips
 
fix-it shop
a shop specializing in repairs and maintenance
 
fixative
a varnish dissolved in alcohol and sprayed over pictures to prevent smudging
 
fixed disk
a rigid magnetic disk mounted permanently in a drive unit
 
fixed-combination drug
drug containing fixed amounts of two or more ingredients
 
fixer-upper
a house or other dwelling in need of repair (usually offered for sale at a low price)
 
fixings
the accessories that normally accompany (something or some activity)
 
fixture
an object firmly fixed in place (especially in a household)
 
fizgig
a firework that fizzes as it moves
 
flag
emblem usually consisting of a rectangular piece of cloth of distinctive design
 
flag of truce
flag consisting of a piece of white cloth that is hoisted to signal surrender or to ask for a truce
 
flag stop
a small railway station between the principal stations or a station where the train stops only on a signal
 
flag
stratified stone that splits into pieces suitable as paving stones
 
flag
flagpole used to mark the position of the hole on a golf green
 
flagellum
a whip used to inflict punishment (often used for pedantic humor)
 
flageolet
a small fipple flute with four finger holes and two thumb holes
 
flagging
a walk of flagstones
 
flagon
a large metal or pottery vessel with a handle and spout; used to hold alcoholic beverages (usually wine)
 
flagpole
a tall staff or pole on which a flag is raised
 
flagpole
surveying instrument consisting of a straight rod painted in bands of alternate red and white each one foot wide; used for sightings by surveyors
 
flagship
the ship that carries the commander of a fleet and flies his flag
 
flagship
the chief one of a related group
 
Flagyl
antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis
 
flail
an implement consisting of handle with a free swinging stick at the end; used in manual threshing
 
flambeau
a flaming torch (such as are used in processions at night)
 
flamethrower
a weapon that squirts ignited fuel for several yards
 
Flaminian Way
an ancient Roman road in Italy built by Gaius Flaminius in 220 BC; extends north from Rome to cisalpine Gaul
 
flange
a projection used for strength or for attaching to another object
 
flannel
a soft light woolen fabric; used for clothing
 
flannel
(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth
 
flannelette
a cotton fabric imitating flannel
 
flap
any broad thin and limber covering attached at one edge; hangs loose or projects freely
 
flap
a movable airfoil that is part of an aircraft wing; used to increase lift or drag
 
flare
a device that produces a bright light for warning or illumination or identification
 
flare path
an airstrip outline with lights to guide an airplane pilot in landing
 
flash
a bright patch of color used for decoration or identification
 
flash camera
a camera with a photoflash attachment
 
flash memory
nonvolatile storage that can be electrically erased and programmed anew
 
flash
a lamp for providing momentary light to take a photograph
 
flashboard
boarding place along the top of a dam to increase its height
 
flasher
an electrical device that automatically turns a lamp on and off (as for an advertising display)
 
flashing
sheet metal shaped and attached to a roof for strength and weatherproofing
 
flashlight battery
a small dry battery containing dry cells; used to power flashlights
 
flashlight
a small portable battery-powered electric lamp
 
flask
bottle that has a narrow neck
 
flat
scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
 
flat
a shallow box in which seedlings are started
 
flat arch
an arch with mutually supporting voussoirs that has a straight horizontal extrados and intrados
 
flat bench
a bench on which a weightlifter lies to do exercises
 
flat coat
the first or preliminary coat of paint or size applied to a surface
 
flat file
a file with two flat surfaces
 
flat knot
a square knot used in a reef line
 
flat solid
a flat artifact that is thin relative to its length and width
 
flat tip screwdriver
a screwdriver with a flat wedge-shaped tip that fits into a slot in the head of a screw
 
flat wash
ironing that can be done mechanically
 
flat
a deflated pneumatic tire
 
flat
freight car without permanent sides or roof
 
flatbed
an open truck bed or trailer with no sides; used to carry large heavy objects
 
flatiron
an iron that was heated by placing it on a stove
 
flatlet
a tiny flat
 
flats
footwear (shoes or slippers) with no heel (or a very low heel)
 
flatware
tableware that is relatively flat and fashioned as a single piece
 
flatware
silverware eating utensils
 
fleabag
a run-down hotel
 
fleapit
an old shabby movie theater
 
fleece
a soft bulky fabric with deep pile; used chiefly for clothing
 
fleet ballistic missile submarine
a submarine carrying ballistic missiles
 
fleur-de-lis
(heraldry) charge consisting of a conventionalized representation of an iris
 
Flexeril
muscle relaxant (trade name Flexeril) used for muscle spasms or acute injury
 
flexible joint
a joint that holds two parts together so that one can swing relative to the other
 
flexible sigmoidoscope
an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon
 
flick knife
a pocketknife with a blade that springs open at the press of a button
 
flight deck
the upper deck of an aircraft carrier; used as a runway
 
flight simulator
simulator consisting of a machine on the ground that simulates the conditions of flying a plane
 
flight
a stairway (set of steps) between one floor or landing and the next
 
flintlock
an obsolete gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge
 
flip-flop
an electronic circuit that can assume either of two stable states
 
flip-flop
a backless sandal held to the foot by a thong between the big toe and the second toe
 
float
something that floats on the surface of water
 
float
an elaborate display mounted on a platform carried by a truck (or pulled by a truck) in a procession or parade
 
float
a hand tool with a flat face used for smoothing and finishing the surface of plaster or cement or stucco
 
floating dock
dry dock that can be submerged under a vessel and then raised
 
floating mine
an explosive mine designed to destroy ships that bump into it
 
floatplane
a seaplane equipped with pontoons for landing or taking off from water
 
flood
light that is a source of artificial illumination having a broad beam; used in photography
 
floodgate
regulator consisting of a valve or gate that controls the rate of water flow through a sluice
 
floor
the legislative hall where members debate and vote and conduct other business
 
floor board
a board in the floor
 
floor cover
a covering for a floor
 
floor joist
joist that supports a floor
 
floor lamp
a lamp that stands on the floor
 
floor plan
scale drawing of a horizontal section through a building at a given level; contrasts with elevation
 
floor
the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
 
floor
a structure consisting of a room or set of rooms at a single position along a vertical scale
 
floor
a large room in a exchange where the trading is done
 
floorboard
the floor of an automobile
 
floral arrangement
a decorative arrangement of flowers
 
florist
a shop where flowers and ornamental plants are sold
 
floss
a soft loosely twisted thread used in embroidery
 
flotation device
rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
 
flotilla
a fleet of small craft
 
flotilla
a United States Navy fleet consisting of two or more squadrons of small warships
 
flotsam
the floating wreckage of a ship
 
flounce
a strip of pleated material used as a decoration or a trim
 
flour bin
a bin for holding flour
 
flour mill
a mill for grinding grain into flour
 
flower chain
flowers strung together in a chain
 
flower garden
a garden featuring flowering plants
 
flowerpot
a container in which plants are cultivated
 
floxuridine
antineoplastic drug used to treat some cancers; can cause loss of hair
 
flue
a conduit to carry off smoke
 
flue stop
an organ stop with the tone of a flue pipe
 
flue
organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
 
flue
flat bladelike projection on the arm of an anchor
 
fluegelhorn
a brass instrument resembling a cornet but with a wider bore
 
fluid drive
an automotive power coupling
 
fluid flywheel
a kind of fluid coupling in which the flywheel is the driving rotor
 
fluke
a barb on a harpoon or arrow
 
flume
watercourse that consists of an open artificial chute filled with water for power or for carrying logs
 
fluorescent lamp
lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material
 
fluorescent
a lighting fixture that uses a fluorescent lamp
 
fluoroscope
an X-ray machine that combines an X-ray source and a fluorescent screen to enable direct observation
 
fluorouracil
an antimetabolite used to treat certain cancers
 
fluphenazine
tranquilizer used to treat psychotic disorders
 
flush toilet
a toilet that is cleaned of waste by the flow of water through it
 
flushless toilet
a toilet that relies on bacteria to break down waste matter (instead of using water)
 
flute
a groove or furrow in cloth etc (particularly a shallow concave groove on the shaft of a column)
 
flute
a high-pitched woodwind instrument; a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown
 
flux applicator
an applicator for applying flux (as in soldering)
 
fluxmeter
meter that measures magnetic flux by the current it generates in a coil
 
fly
fisherman's lure consisting of a fishhook decorated to look like an insect
 
fly bridge
the highest navigational bridge on a ship; a small (often open) deck above the pilot house
 
fly floor
a narrow raised platform at the side of a stage in a theater; stagehands can work the ropes controlling equipment in the flies
 
fly rod
a long flexible fishing rod used in fly fishing
 
fly tent
a tent with a fly front
 
fly
an opening in a garment that is closed by a zipper or by buttons concealed under a fold of cloth
 
fly
flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent
 
flying boat
a large seaplane that floats with its fuselage in the water rather than on pontoons
 
flying carpet
(Asian folktale) an imaginary carpet that will fly people anywhere they wish to go
 
flying jib
the outermost of two or more jibs
 
flyover
bridge formed by the upper level of a crossing of two highways at different levels
 
flyswat
an implement with a flat part (of mesh or plastic) and a long handle; used to kill insects
 
flytrap
a trap for catching flies
 
flywheel
regulator consisting of a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine
 
fo'c'sle
living quarters consisting of a superstructure in the bow of a merchant ship where the crew is housed
 
fob
an adornment that hangs from a watch chain
 
fob
short chain or ribbon attaching a pocket watch to a man's vest
 
fob
a vest pocket to hold a pocket watch
 
foghorn
a warning device consisting of a horn that generates a loud low tone
 
foglamp
headlight that provides strong beam for use in foggy weather
 
foible
the weaker part of a sword's blade from the forte to the tip
 
foil
a light slender flexible sword tipped by a button
 
foil
a piece of thin and flexible sheet metal
 
foil
a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
 
foil
picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
 
fold
a pen for sheep
 
folder
covering that is folded over to protect the contents
 
folding chair
a chair that can be folded flat for storage
 
folding saw
a saw with a toothed blade that folds into a handle (the way a pocketknife folds)
 
foliage
(architecture) leaf-like architectural ornament
 
folio
a book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages
 
folk art
genre of art of unknown origin that reflects traditional values of a society
 
followup
a piece of work that exploits or builds on earlier work
 
food court
an area (as in a shopping mall) where fast food is sold (usually around a common eating area)
 
food hamper
a hamper for packing and transporting food
 
food market
a marketplace where groceries are sold
 
food processor
a kitchen appliance with interchangeable blades; used for shredding or blending or chopping or slicing food
 
food turner
cooking utensil having a flat flexible part and a long handle; used for turning or serving food
 
foodstuff
(usually plural) consumer goods sold by a grocer
 
foot
a support resembling a pedal extremity
 
foot brake
hydraulic brake operated by pressing on a foot pedal
 
foot lever
a lever that is operated with the foot
 
foot rule
a ruler one foot long
 
footage
film that has been shot
 
football
the inflated oblong ball used in playing American football
 
football field
the playing field on which football is played
 
football helmet
a padded helmet with a face mask to protect the head of football players
 
football stadium
a stadium where football games are held
 
football tee
support holding a football on end and above the ground preparatory to the kickoff
 
footbath
a small bathtub for warming or washing or disinfecting the feet
 
footboard
a vertical board or panel forming the foot of a bedstead
 
footboard
a narrow platform on which to stand or brace the feet
 
footbridge
a bridge designed for pedestrians
 
footgear
covering for a person's feet
 
foothold
a place providing support for the foot in standing or climbing
 
footlights
theater light at the front of a stage that illuminate the set and actors
 
footlocker
a trunk for storing personal possessions; usually kept at the foot of a bed (as in a barracks)
 
footpath
a trodden path
 
footplate
the platform in the cab of a locomotive on which the engineer stands to operate the controls
 
footrest
a low seat or a stool to rest the feet of a seated person
 
footstall
an architectural support or base (as for a column or statue)
 
footwear
clothing worn on a person's feet
 
force feed
mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings
 
force pump
pump used to force a liquid up and expel it under pressure
 
forceps
an extractor consisting of a pair of pincers used in medical treatment (especially for the delivery of babies)
 
fore edge
the part of a book that faces inward when the book is shelved; the part opposite the spine
 
fore plane
a carpenter's plane intermediate between a jack plane and a jointer plane
 
fore-and-aft rig
rig in which the principal sails are fore-and-aft
 
fore-and-aft sail
any sail not set on a yard and whose normal position is in a fore-and-aft direction
 
fore-and-aft topsail
a triangular fore-and-aft sail with its foot along the gaff and its luff on the topmast
 
fore-and-after
sailing vessel with a fore-and-aft rig
 
fore-topmast
the topmast next above the foremast
 
fore-topsail
the topsail on a foremast
 
forecourt
the outer or front court of a building or of a group of buildings
 
foredeck
the deck between the bridge and the forecastle
 
foreground
(computer science) a window for an active application
 
foremast
the mast nearest the bow in vessels with two or more masts
 
foresail
the lowest sail on the foremast of a square-rigged vessel
 
forestay
an adjustable stay from the foremast to the deck or bowsprit; controls the bending of the mast
 
foretop
a platform at the head of a foremast
 
forge
furnace consisting of a special hearth where metal is heated before shaping
 
forge
a workplace where metal is worked by heating and hammering
 
fork
cutlery used for serving and eating food
 
fork
an agricultural tool used for lifting or digging; has a handle and metal prongs
 
forklift
a small industrial vehicle with a power operated forked platform in front that can be inserted under loads to lift and move them
 
form
a mold for setting concrete
 
form
a life-size dummy used to display clothes
 
formal garden
a garden laid out on regular lines with plants arranged in symmetrical locations or in geometrical designs
 
formation
a particular spatial arrangement
 
Formica
any of various plastic laminates containing melamine
 
fort
a fortified defensive structure
 
fort
a fortified military post where troops are stationed
 
forte
the stronger part of a sword blade between the hilt and the foible
 
forte-piano
a keyboard instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
 
fortification
defensive structure consisting of walls or mounds built around a stronghold to strengthen it
 
forty-five
a .45-caliber pistol
 
forward market
a commodity exchange where futures contracts are traded
 
Fosamax
a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause
 
fosse
ditch dug as a fortification and usually filled with water
 
FOTS
a communication system using fiber optic cables
 
Foucault pendulum
pendulum with a long wire; can swing in any direction; the change in the swing plane demonstrates the earth's rotation
 
foul-weather gear
protective garment that is intended to keep the wearer dry and warm in bad weather
 
foulard
a light plain-weave or twill-weave silk or silklike fabric (usually with a printed design)
 
foundation stone
a stone laid at a ceremony to mark the founding of a new building
 
foundation
a woman's undergarment worn to give shape to the contours of the body
 
foundry
factory where metal castings are produced
 
fount
a plumbing fixture that provides a flow of water
 
fountain
a structure from which an artificially produced jet of water arises
 
fountain pen
a pen that is supplied with ink from a reservoir in its barrel
 
fountain
an artificially produced flow of water
 
four
a playing card or domino or die whose upward face shows four pips
 
four-in-hand
a long necktie that is tied in a slipknot with one end hanging in front of the other
 
four-poster
a bed with posts at the four corners that can be used to support a canopy or curtains
 
four-pounder
an artillery gun that throws a shot weighing four pounds
 
four-stroke engine
an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke
 
four-tailed bandage
a bandage consisting of a strip of cloth split in two on both ends; the central part is placed under the chin to restrict motion of the mandible and the tails are tied over the top of the head
 
four-wheeler
a hackney carriage with four wheels
 
fourpenny nail
a nail 1.5 inches long
 
fourth deck
the fourth or lowest deck
 
fowling piece
a light shotgun used for fowling
 
fox hole
a small dugout with a pit for individual shelter against enemy fire
 
FPD
a type of video display that is thin and flat; commonly used in laptop computers
 
fraction
a small part or item forming a piece of a whole
 
fragment
a broken piece of a brittle artifact
 
frail
a basket for holding dried fruit (especially raisins or figs)
 
fraise
sloping or horizontal rampart of pointed stakes
 
fraise
a ruff for the neck worn in the 16th century
 
frame
the framework for a pair of eyeglasses
 
frame
a single one of a series of still transparent pictures forming a cinema, television or video film
 
frame buffer
(computer science) a buffer that stores the contents of an image pixel by pixel
 
frame
a structure supporting or containing something
 
frame
a framework that supports and protects a picture or a mirror
 
frame
the internal supporting structure that gives an artifact its shape
 
Francis turbine
a type of hydroelectric turbine
 
franking machine
a machine that automatically stamps letters or packages passing through it and computes the total charge
 
free house
a public house that is not controlled by a brewery and so is free to sell different brands of beer and ale
 
free throw lane
a lane on a basketball court extending from the end line to 15 feet in front of the backboard; players may not enter this lane during a free throw
 
free-reed
a reed that does not fit closely over the aperture
 
free-reed instrument
a wind instrument with a free reed
 
freeboard deck
the uppermost watertight deck
 
freewheel
a clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting)
 
freight car
a railway car that carries freight
 
freight elevator
an elevator designed for carrying freight
 
freight liner
a long-distance express freight train between industrial centers and seaports with facilities for rapid loading and unloading of goods
 
freight train
a railroad train consisting of freight cars
 
French door
a light door with transparent or glazed panels extending the full length
 
French heel
a fairly high narrow heel on women's shoes
 
French horn
a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves
 
French knot
a stitch made by looping the thread several times around the needle before inserting it into the fabric
 
French polish shellac
a varnish for wood consisting of shellac dissolved in alcohol
 
French roof
a mansard roof with sides that are nearly perpendicular
 
French telephone
telephone set with the mouthpiece and earpiece mounted on a single handle
 
French window
a French door situated in an exterior wall of a building
 
fresco
a mural done with watercolors on wet plaster
 
freshener
anything that freshens
 
Fresnel lens
lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
 
fret
a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
 
fretsaw
fine-toothed power saw with a narrow blade; used to cut curved outlines
 
fretwork
framework consisting of an ornamental design made of strips of wood or metal
 
friary
a monastery of friars
 
friction clutch
a clutch in which one part turns the other by the friction between them
 
friction match
lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction
 
friction tape
a water-resistant adhesive tape used to insulate exposed electrical conductors
 
frieze
a heavy woolen fabric with a long nap
 
frieze
an architectural ornament consisting of a horizontal sculptured band between the architrave and the cornice
 
frigate
a United States warship larger than a destroyer and smaller than a cruiser
 
frigate
a medium size square-rigged warship of the 18th and 19th centuries
 
fringe
an ornamental border consisting of short lengths of hanging threads or tassels
 
Frisbee
a light, plastic disk about 10 inches in diameter; propelled with a flip of the wrist for recreation or competition
 
frock
a habit worn by clerics
 
frock
a long, loose outer garment
 
frock coat
a man's coat having knee-length skirts front and back; worn in the 19th century
 
frog
a decorative loop of braid or cord
 
front
the side that is seen or that goes first
 
front bench
any of the front seats in the House of Commons that are reserved for ministers or former ministers
 
front door
exterior door (at the entrance) at the front of a building
 
front porch
a porch for the front door
 
front projector
a projector for digital input
 
front room
a room in a private house or establishment where people can sit and talk and relax
 
front yard
the yard in front of a house; between the house and the street
 
frontage road
a local road that runs parallel to an expressway and allows local traffic to gain access to property
 
frontal
a drapery that covers the front of an altar
 
frontal
an adornment worn on the forehead
 
frontispiece
front illustration facing the title page of a book
 
frontispiece
an ornamental facade
 
fruit machine
a coin-operated gambling machine that produces random combinations of symbols (usually pictures of different fruits) on rotating dials; certain combinations win money for the player
 
fruit
an amount of a product
 
frying pan
a pan used for frying foods
 
fuel cell
cell that produces electricity by oxidation of fuel (hydrogen and oxygen or zinc and air); often used in electric cars
 
fuel filter
a filter in the fuel line that screens out dirt and rust particles from the fuel
 
fuel gauge
an indicator of the amount of fuel remaining in a vehicle
 
fuel injection
mechanical system to inject atomized fuel directly into the cylinders of an internal-combustion engine; avoids the need for a carburetor
 
fuel line
a pipe that carries gasoline from a tank to a gasoline engine
 
fuel pod
a detachable container of fuel on an airplane
 
fuel system
equipment in a motor vehicle or aircraft that delivers fuel to the engine
 
Fugo
a bomb carried by a balloon
 
fulcrum
the pivot about which a lever turns
 
full metal jacket
a lead bullet that is covered with a jacket of a harder metal (usually copper)
 
full skirt
a long skirt gathered at the waist
 
full-dress uniform
the naval or military uniform that is specified by regulations to be worn on ceremonial occasions
 
full-wave rectifier
rectifier that converts the negative half wave of an alternating current into a positive half wave
 
Fulvicin
a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium
 
fumigator
a device that generates a gas for the purpose of disinfecting or eradicating pests
 
funeral chapel
a mortuary where those who knew the deceased can come to pay their last respects
 
fungible
a commodity that is freely interchangeable with another in satisfying an obligation
 
funk hole
dugout as a place of safe retreat (when in a funk)
 
funnel
(nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship)
 
funnel
a conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth
 
funnel web
a funnel-shaped spider web; the funnel-web spider perches in the center of the web
 
funny wagon
an ambulance used to transport patients to a mental hospital
 
fur
a garment made of animal pelts or synthetic fur
 
fur coat
a coat made of fur
 
fur hat
a hat made of fur
 
fur-piece
a neckpiece made of fur
 
furnace
an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.
 
furnace lining
lining consisting of material with a high melting point; used to line the inside walls of a furnace
 
furnace room
a room (usually in the basement of a building) that contains a furnace for heating the building
 
furnishing
(usually plural) the instrumentalities (furniture and appliances and other movable accessories including curtains and rugs) that make a home (or other area) livable
 
furnishing
(usually plural) accessory wearing apparel
 
furring
strip used to give a level surface for attaching wallboard
 
furrow
a long shallow trench in the ground (especially one made by a plow)
 
fuse
any igniter that is used to initiate the burning of a propellant
 
fusee
a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring
 
fusee
a friction match with a large head that will stay alight in the wind
 
fusee
a colored flare used as a warning signal by trucks and trains
 
fuselage
the central body of an airplane that is designed to accommodate the crew and passengers (or cargo)
 
fusil
a light flintlock musket
 
fusion reactor
a nuclear reactor that uses controlled nuclear fusion to generate energy
 
fustian
a strong cotton and linen fabric with a slight nap
 
futon
mattress consisting of a pad of cotton batting that is used for sleeping on the floor or on a raised frame
 
futtock shroud
shroud that is part of a ship's rigging
 
future
bulk commodities bought or sold at an agreed price for delivery at a specified future date
 
G-string
minimal clothing worn by stripteasers; a narrow strip of fabric that covers the pubic area, passes between the thighs, and is supported by a waistband
 
gabardine
a firm durable fabric with a twill weave
 
gable roof
a double sloping roof with a ridge and gables at each end
 
gable
the vertical triangular wall between the sloping ends of gable roof
 
gad
a sharp prod fixed to a rider's heel and used to urge a horse onward
 
gaddi
a cushion on a throne for a prince in India
 
gadgetry
appliances collectively
 
gaff
an iron hook with a handle; used for landing large fish
 
gaff
a spar rising aft from a mast to support the head of a quadrilateral fore-and-aft sail
 
gaff
a sharp metal spike or spur that is fastened to the leg of a gamecock
 
gaff-headed sail
a quadrilateral fore-and-aft sail suspended from a gaff
 
gag
restraint put into a person's mouth to prevent speaking or shouting
 
gage
a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.
 
gaiter
legging consisting of a cloth or leather covering for the leg from the knee to the ankle
 
gaiter
a shoe covering the ankle with elastic gores in the sides
 
gaiter
a cloth covering (a legging) that covers the instep and ankles
 
Galilean telescope
a type of refracting telescope that is no longer used in astronomy
 
galleon
a large square-rigged sailing ship with three or more masts; used by the Spanish for commerce and war from the 15th to 18th centuries
 
gallery
narrow recessed balcony area along an upper floor on the interior of a building; usually marked by a colonnade
 
gallery
a covered corridor (especially one extending along the wall of a building and supported with arches or columns)
 
gallery
a long usually narrow room used for some specific purpose
 
gallery
a porch along the outside of a building (sometimes partly enclosed)
 
galley
the kitchen area for food preparation on an airliner
 
galley
(classical antiquity) a crescent-shaped seagoing vessel propelled by oars
 
galley
a large medieval vessel with a single deck propelled by sails and oars with guns at stern and prow; a complement of 1,000 men; used mainly in the Mediterranean for war and trading
 
gallous
alternative terms for gallows
 
gallows
an instrument of execution consisting of a wooden frame from which a condemned person is executed by hanging
 
galvanic battery
battery consisting of a number of voltaic cells arranged in series or parallel
 
galvanic cell
an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged
 
galvanic pile
battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta
 
galvanometer
meter for detecting or comparing or measuring small electric currents
 
gambling den
a public building in which a variety of games of chance can be played (operated as a business)
 
gambrel
a gable roof with two slopes on each side and the lower slope being steeper
 
game
the game equipment needed in order to play a particular game
 
game equipment
equipment or apparatus used in playing a game
 
game room
a recreation room for noisy activities (parties or children's play etc)
 
gamebag
a canvas or leather bag for carrying game (especially birds) killed by a hunter
 
gaming card
one of a set of cards used in gambling games
 
gaming table
a table used for gambling; may be equipped with a gameboard and slots for chips
 
gamma-interferon
a form of interferon that is produced by T cells and macrophages; involved in the activation of phagocytes
 
gang
tool consisting of a combination of implements arranged to work together
 
gangboard
a temporary bridge for getting on and off a vessel at dockside
 
gangsaw
a power saw that has several parallel blades making simultaneous cuts
 
gangway
a temporary passageway of planks (as over mud on a building site)
 
Gantanol
a sulfonamide (trade name Gantanol) used to treat infections (especially infections of the urinary tract)
 
gantlet
the convergence of two parallel railroad tracks in a narrow place; the inner rails cross and run parallel and then diverge so a train remains on its own tracks at all times
 
gantlet
a glove with long sleeve
 
gantlet
a glove of armored leather; protects the hand
 
Gantrisin
a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract
 
gantry
a framework of steel bars raised on side supports to bridge over or around something; can display railway signals above several tracks or can support a traveling crane etc.
 
garage
an outbuilding (or part of a building) for housing automobiles
 
garage
a repair shop where cars and trucks are serviced and repaired
 
Garamycin
an antibiotic (trade name Garamycin) that is derived from an actinomycete; used in treating infections of the urinary tract
 
Garand rifle
a semiautomatic rifle
 
garbage
a receptacle where waste can be discarded
 
garboard
the first wale laid next to the keel of a wooden ship
 
garden
a plot of ground where plants are cultivated
 
garden
a yard or lawn adjoining a house
 
garden chair
chair left outside for use on a lawn or in a garden
 
garden hose
a hose used for watering a lawn or garden
 
garden rake
a rake used by gardeners
 
garden roller
heavy cast-iron cylinder used to flatten lawns
 
garden spade
a spade used by gardeners
 
garden tool
used for working in gardens or yards
 
garden trowel
a trowel used by gardeners
 
gargoyle
an ornament consisting of a grotesquely carved figure of a person or animal
 
gargoyle
a spout that terminates in a grotesquely carved figure of a person or animal
 
garibaldi
a loose high-necked blouse with long sleeves; styled after the red flannel shirts worn by Garibaldi's soldiers
 
garlic press
a press for extracting juice from garlic
 
garment
an article of clothing
 
garment bag
a suitcase that unfolds to be hung up
 
garner
a storehouse for threshed grain or animal feed
 
garnish
any decoration added as a trimming or adornment
 
garotte
an instrument of execution for execution by strangulation
 
garrison cap
a wedge-shaped wool or cotton cap; worn as part of a uniform
 
garter belt
a wide belt of elastic with straps hanging from it; worn by women to hold up stockings
 
garter stitch
a knitting stitch that results in a pattern of horizontal ridges formed by knitting both sides (instead of purling one side)
 
garter
a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve)
 
gas bracket
a pipe with one or more burners projecting from a wall
 
gas burner
burner such that combustible gas issues from a nozzle to form a steady flame
 
gas cooker
a range with gas rings and an oven for cooking with gas
 
gas engine
an internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor
 
gas fitting
the fitting (pipes or valves or meters) that convey gas from the gas main to the gas fixtures of a building
 
gas fixture
a device to convey illuminating gas from the pipe to the gas burner
 
gas furnace
a furnace that burns gas
 
gas gage
gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle
 
gas gun
a gun that fires gas shells
 
gas guzzler
a car with relatively low fuel efficiency
 
gas heat
heating system that burns natural gas
 
gas heater
a heater that burns gas for heat
 
gas helmet
a protective mask with a filter; protects the face and lungs against poisonous gases
 
gas holder
a large gas-tight spherical or cylindrical tank for holding gas to be used as fuel
 
gas lamp
a lamp that burns illuminating gas
 
gas line
a pipeline used to transport natural gas
 
gas main
a main that distributes gas
 
gas maser
a maser in which microwave radiation interacts with gas molecules
 
gas meter
a meter for measuring the amount of gas flowing through a particular pipe
 
gas oven
a domestic oven fueled by gas
 
gas oven
a cremation chamber fueled by gas
 
gas pump
a pump in a service station that draws gasoline from underground storage tanks
 
gas ring
gas burner consisting of a circular metal pipe with several small holes through which gas can escape to be burned
 
gas shell
(military) bomb consisting of an explosive projectile filled with a toxic gas that is released when the bomb explodes
 
gas system
facility (plant and equipment) for providing natural-gas service
 
gas tank
a tank for holding gasoline to supply a vehicle
 
gas turbine
turbine that converts the chemical energy of a liquid fuel into mechanical energy by internal combustion; gaseous products of the fuel (which is burned in compressed air) are expanded through a turbine
 
gas well
a well that yields or has yielded natural gas
 
gas-cooled reactor
a nuclear reactor using gas as a coolant
 
gas-discharge tube
a tube in which an electric discharge takes place through a gas
 
gas-turbine ship
a ship powered by a gas turbine
 
gasket
seal consisting of a ring for packing pistons or sealing a pipe joint
 
gasoline engine
an internal-combustion engine that burns gasoline; most automobiles are driven by gasoline engines
 
gastroscope
a type of endoscope for visually examining the stomach
 
gasworks
the workplace where coal gas is manufactured
 
gat
a gangster's pistol
 
gate
a movable barrier in a fence or wall
 
gate
passageway (as in an air terminal) where passengers can embark or disembark
 
gate
a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
 
gatehouse
a house built at a gateway; usually the gatekeeper's residence
 
gateleg table
a drop-leaf table with the drop-leaves supported by hinged legs
 
gatepost
either of two posts that bound a gate
 
gateway
an entrance that can be closed by a gate
 
gateway drug
a habit-forming drug that is not addictive but its use may lead to the use of other addictive drugs
 
gather
sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
 
gathered skirt
a skirt whose fabric is drawn together around the waist
 
Gatling gun
an early form of machine gun having several barrels that fire in sequence as they are rotated
 
gauffer
an iron used to press pleats and ridges
 
gauffer
an ornamental frill made by pressing pleats
 
gaussmeter
a meter to compare strengths of magnetic fields
 
gauze
(medicine) bleached cotton cloth of plain weave used for bandages and dressings
 
gauze
a net of transparent fabric with a loose open weave
 
gavel
a small mallet used by a presiding officer or a judge
 
gazebo
a small roofed building affording shade and rest
 
gear box
the shell (metal casing) in which a train of gears is sealed
 
gear lever
a mechanical device for engaging and disengaging gears
 
gear
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
 
gear
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
 
gearset
a set of gears
 
Geiger-Muller counter
counter tube that detects ionizing radiations
 
Geiger-Muller tube
an ionization chamber contained in a tube in a Geiger counter
 
gel
a thin translucent membrane used over stage lights for color effects
 
gel
jellylike substance used in hair styling
 
gelignite
a type of dynamite in which the nitroglycerin is absorbed in a base of wood pulp and sodium or potassium nitrate
 
gem clip
a wire or plastic clip for holding sheets of paper together
 
gem
a precious or semiprecious stone incorporated into a piece of jewelry
 
gem
art highly prized for its beauty or perfection
 
Gemonil
anticonvulsant drug (trade name Gemonil) used in the treatment of epilepsy
 
general anaesthetic
an anesthetic that anesthetizes the entire body and causes loss of consciousness
 
generator
engine that converts mechanical energy into electrical energy by electromagnetic induction
 
generator
an apparatus that produces a vapor or gas
 
generator
an electronic device for producing a signal voltage
 
generic
any product that can be sold without a brand name
 
generic drug
when the patent protection for a brand-name drug expires generic versions of the drug can be offered for sale if the FDA agrees
 
Geneva gown
black academic gown widely used by Protestant clergymen
 
genre
a class of art (or artistic endeavor) having a characteristic form or technique
 
genre painting
a genre depicting everyday life
 
geodesic dome
a lightweight dome constructed of interlocking polygons; invented by R. Buckminster Fuller
 
George Washington Bridge
a suspension bridge across the Hudson River between New York and New Jersey
 
georgette
a thin silk dress material
 
Georgia home boy
street names for gamma hydroxybutyrate
 
getup
a set of clothing (with accessories)
 
gharry
a horse-drawn carriage in India
 
ghat
stairway in India leading down to a landing on the water
 
GHB
a club drug available in liquid or powder form is taken orally (frequently combined with alcohol); used to incapacitate individuals for the commission of sexual assault and rape
 
ghillie
a shoe without a tongue and with decorative lacing up the instep
 
GHQ
military headquarters from which a military commander controls and organizes the forces
 
gift shop
a shop that sells miscellaneous articles appropriate as gifts
 
gift wrapping
ornamental wrapping for gifts
 
gig
small two-wheeled horse-drawn carriage; with two seats and no hood
 
gig
tender that is a light ship's boat; often for personal use of captain
 
gig
long and light rowing boat; especially for racing
 
gig
a cluster of hooks (without barbs) that is drawn through a school of fish to hook their bodies; used when fish are not biting
 
gildhall
the meeting place of a medieval guild
 
gilding
a coating of gold or of something that looks like gold
 
gill net
a flat fishnet suspended vertically in the water to entangle fish by their gills
 
gimbal
an appliance that allows an object (such as a ship's compass) to remain horizontal even as its support tips
 
gin mill
tavern consisting of a building with a bar and public rooms; often provides light meals
 
gin
a trap for birds or small mammals; often has a slip noose
 
gingham
a clothing fabric in a plaid weave
 
girandola
an ornate candle holder; often with a mirror
 
girder
a beam made usually of steel; a main support in a structure
 
glacier mill
a chute through which supraglacial water enters a glacier, boring either to the bedrock or to the depth of common crevasse formation
 
Gladstone bag
a large travelling bag made of stiff leather
 
glass
glassware collectively
 
glass cutter
a tool for cutting glass
 
glass eye
prosthesis consisting of an artificial eye made of glass
 
glass fiber
a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images
 
glass
a mirror; usually a ladies' dressing mirror
 
glasses case
a case for carrying spectacles
 
glasshouse
a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions
 
glassware
an article of tableware made of glass
 
glassworks
a workplace where glass is made
 
glebe house
a parsonage (especially one provided for the holder of a benefice)
 
Glen Canyon Dam
a large dam built in 1964 on the Colorado River in Arizona
 
Glengarry
a Scottish cap with straight sides and a crease along the top from front to back; worn by Highlanders as part of military dress
 
glider
aircraft supported only by the dynamic action of air against its surfaces
 
Global Positioning System
a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver
 
globe
a sphere on which a map (especially of the earth) is represented
 
glockenspiel
a percussion instrument consisting of a set of graduated metal bars mounted on a frame and played with small hammers
 
glory hole
a small locker at the stern of a boat or between decks of a ship
 
glossy
a photograph that is printed on smooth shiny paper
 
glove
handwear: covers the hand and wrist
 
glove compartment
compartment on the dashboard of a car
 
glove doll
a puppet with a cloth body and hollow head; fits over the hand
 
glow lamp
a gas-discharge tube with a hot cathode; used in stroboscopes
 
glow tube
a gas-discharge tube consisting of a cold cathode and a diode in a tube filled with gas; the color of the glow depends on the particular gas
 
Glucophage
an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes
 
Glucotrol
an oral antidiabetic drug (trade name Glucotrol) that stimulates the release of insulin from the pancreas
 
glyph
glyptic art in the form of a symbolic figure carved or incised in relief
 
glyptic art
carvings or engravings (especially on precious stones)
 
glyptics
the art of engraving on precious stones
 
gnomon
indicator provided by the stationary arm whose shadow indicates the time on the sundial
 
go board
a board used for playing go
 
go-kart
a small low motor vehicle with four wheels and an open framework; used for racing
 
Goa powder
a bitter yellow powder used to treat skin diseases
 
goad
a pointed instrument that is used to prod into a state of motion
 
goal
game equipment consisting of the place toward which players of a game try to advance a ball or puck in order to score points
 
goalmouth
(sports) the area immediately in front of the goal
 
goalpost
one of a pair of posts (usually joined by a crossbar) that are set up as a goal at each end of a playing field
 
goblet
a drinking glass with a base and stem
 
god
a material effigy that is worshipped
 
godown
(in India and Malaysia) a warehouse
 
goggles
(plural) tight-fitting spectacles worn to protect the eyes
 
Golconda
a source of great wealth (especially a mine)
 
gold foil
foil made of gold
 
gold leaf
a very thin form of gold foil
 
gold medal
a trophy made of gold (or having the appearance of gold) that is usually awarded for winning first place in a competition
 
gold mine
a mine where gold ore is found
 
gold mine
a good source of something that is desired
 
gold plate
a thin plating of gold on something
 
gold plate
tableware that is plated with gold
 
goldbrick
a brick-shaped block that looks like gold but is not
 
golden calf
(Old Testament) an idol made by Aaron for the Israelites to worship; destroyed by Moses; it is now used to refer to anything worshipped undeservedly
 
Golden Gate Bridge
a suspension bridge across the Golden Gate
 
golf bag
golf equipment consisting of a bag for carrying golf clubs and balls
 
golf ball
a small hard ball used in playing golf; dimpled to reduce wind resistance
 
golf cart
a small motor vehicle in which golfers can ride between shots
 
golf course
course consisting of a large landscaped area for playing golf
 
golf equipment
sports equipment used in playing golf
 
golf glove
a glove worn by golfers to give a firm grip on the handle of the golf club
 
golf hole
one playing period (from tee to green) on a golf course
 
golf links
a golf course that is built on sandy ground near a shore
 
golf tee
a short peg put into the ground to hold a golf ball off the ground
 
golliwog
a grotesque black doll
 
gondola
long narrow flat-bottomed boat propelled by sculling; traditionally used on canals of Venice
 
gondola
a low flat-bottomed freight car with fixed sides but no roof
 
gong
a percussion instrument consisting of a metal plate that is struck with a softheaded drumstick
 
goniometer
direction finder that determines the angular direction of incoming radio signals
 
Gordian knot
an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
 
gore
a piece of cloth that is generally triangular or tapering; used in making garments or umbrellas or sails
 
gorgerin
the molding at the top of a column
 
gorget
armor plate that protects the neck
 
gossamer
a gauze fabric with an extremely fine texture
 
Gota Canal
a canal for small oceangoing ships to enter Lake Vanern in Sweden
 
Gothic arch
a pointed arch; usually has a joint (instead of a keystone) at the apex
 
gouache
a watercolor executed with opaque watercolors mixed with gum
 
gouache
an opaque watercolor prepared with gum
 
gouge
and edge tool with a blade like a trough for cutting channels or grooves
 
government building
a building that houses a branch of government
 
government office
an office where government employees work
 
governor
a control that maintains a steady speed in a machine (as by controlling the supply of fuel)
 
gown
a woman's dress, usually with a close-fitting bodice and a long flared skirt, often worn on formal occasions
 
gown
lingerie consisting of a loose dress designed to be worn in bed by women
 
gown
outerwear consisting of a long flowing garment used for official or ceremonial occasions
 
gown
protective garment worn by surgeons during operations
 
GP bomb
a large bomb (500 to 2,000 pounds that is 50% explosive) whose explosion creates a blast and whose metal casing creates some fragmentation effect
 
grab
a mechanical device for gripping an object
 
grab bag
a container from which a person draws a wrapped item at random without knowing the contents
 
grab bar
a bar attached parallel to a wall to provide a handgrip for steadying yourself
 
grace cup
cup to be passed around for the final toast after a meal
 
grade crossing
intersection of a railway and a road on the same level; barriers close road when trains pass
 
grade separation
a crossing that uses an underpass or overpass
 
graduate
a measuring instrument for measuring fluid volume; a glass container (cup or cylinder or flask) whose sides are marked with or divided into amounts
 
graduated cylinder
a cylindrical graduate
 
Graf Zeppelin
a large rigid dirigible designed to carry passengers or bombs
 
graffiti
a rude decoration inscribed on rocks or walls
 
gramicidin
an antibiotic produced by a soil bacterium; used chiefly as an antiseptic in treating local infections produced by Gram-positive bacteria
 
grand
a piano with the strings on a horizontal harp-shaped frame; usually supported by three legs
 
grandfather clock
a pendulum clock enclosed in a tall narrow case
 
grange
an outlying farm
 
graniteware
a kind of stone-grey enamelware
 
granny
a reef knot crossed the wrong way and therefore insecure
 
grape arbor
an arbor where grapes are grown
 
grape
a cluster of small projectiles fired together from a cannon to produce a hail of shot
 
graphic art
the arts of drawing or painting or printmaking
 
graphics
the drawings and photographs in the layout of a book
 
grapnel
a light anchor for small boats
 
grapnel
a tool consisting of several hooks for grasping and holding; often thrown with a rope
 
grass skirt
a skirt made of long blades of grass
 
grate
a frame of iron bars to hold a fire
 
grate
a barrier that has parallel or crossed bars blocking a passage but admitting air
 
grater
utensil with sharp perforations for shredding foods (as vegetables or cheese)
 
graticule
a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
 
grave
a place for the burial of a corpse (especially beneath the ground and marked by a tombstone)
 
gravel pit
a quarry for gravel
 
graver
a tool used by an engraver
 
gravestone
a stone that is used to mark a grave
 
gravimeter
a measuring instrument for measuring variations in the gravitational field of the earth
 
gravimeter
a measuring instrument for determining the specific gravity of a liquid or solid
 
gravure
a printing plate used in the process of gravure
 
gravure
an intaglio print produced by gravure
 
gray
clothing that is a grey color
 
grease gun
a hand-operated pump that resembles a pistol; forces grease into parts of a machine
 
greasepaint
a greasy substance used as makeup by actors
 
greasy spoon
a small restaurant specializing in short-order fried foods
 
great hall
the principal hall in a castle or mansion; can be used for dining or entertainment
 
great seal
the principal seal of a government, symbolizing authority or sovereignty
 
Great Seal of the United States
the seal of the United States government
 
Great Wall of China
a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width
 
greatcoat
a heavy coat worn over clothes in winter
 
Greater New Orleans Bridge
twin cantilever bridges across the Mississippi at New Orleans
 
greave
armor plate that protects legs below the knee
 
greegree
an African amulet
 
Greek cross
a cross with each of the four arms the same length
 
Greek fret
an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
 
green soap
a soft (or liquid) soap made from vegetable oils; used in certain skin diseases
 
greengrocery
a greengrocer's grocery store
 
greengrocery
groceries sold by a greengrocer
 
greenroom
a backstage room in a theater where performers rest or have visitors
 
grenade
a small explosive bomb thrown by hand or fired from a missile
 
grid
a cooking utensil of parallel metal bars; used to grill fish or meat
 
grid
a system of high tension cables by which electrical power is distributed throughout a region
 
grid
a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
 
griddle
cooking utensil consisting of a flat heated surface (as on top of a stove) on which food is cooked
 
grill
a framework of metal bars used as a partition or a grate
 
grill
a restaurant where food is cooked on a grill
 
grille
small opening (like a window in a door) through which business can be transacted
 
grille
grating that admits cooling air to car's radiator
 
grillwork
mesh netting made of wires
 
grinder
a machine tool that polishes metal
 
grinder
machinery that processes materials by grinding or crushing
 
grindstone
a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools
 
grip
the appendage to an object that is designed to be held in order to use or move it
 
gripsack
a small suitcase
 
grisaille
chiaroscuro painting or stained glass etc., in shades of grey imitating the effect of relief
 
gristmill
a mill for grinding grain (especially the customer's own grain)
 
grizzle
a grey wig
 
grocery bag
a sack for holding customer's groceries
 
grogram
a coarse fabric of silk mixed with wool or mohair and often stiffened with gum
 
groin
a curved edge formed by two intersecting vaults
 
groined vault
two barrel vaults intersecting at right angles
 
groover
a device that makes grooves by cutting or punching
 
gros point
needlepoint embroidery done with large stitches
 
gros point
a needlepoint stitch covering two horizontal and two vertical threads
 
grosgrain
a silk or silklike fabric with crosswise ribs
 
grotesque
art characterized by an incongruous mixture of parts of humans and animals interwoven with plants
 
ground
(art) the surface (as a wall or canvas) prepared to take the paint for a painting
 
ground bait
bait scattered on the water to attract fish
 
ground cable
a mooring cable; runs from a buoy to a mooring anchor
 
ground cloth
a waterproofed piece of cloth spread on the ground (as under a tent) to protect from moisture
 
ground control
a communication system for sending continuous radio messages to an airplane pilot who is making a ground-controlled approach to landing
 
ground plan
a floor plan for the ground level of a building
 
ground-effect machine
a craft capable of moving over water or land on a cushion of air created by jet engines
 
grove
garden consisting of a small cultivated wood without undergrowth
 
guard boat
a boat that is on guard duty (as in a harbor) around a fleet of warships
 
guard ship
a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron
 
guard's van
the car on a train that is occupied by the guard
 
guard
a device designed to prevent injury or accidents
 
guardhouse
a military facility that serves as the headquarters for military police and in which military prisoners can be detained
 
guardrail
a railing placed alongside a stairway or road for safety
 
guardroom
a room used by soldiers on guard
 
guardroom
a cell in which soldiers who are prisoners are confined
 
Guarnerius
a violin made by a member of the Guarneri family
 
gudgeon pin
pin joining a piston to a connecting rod
 
gueridon
a small round table
 
guesthouse
a house separate from the main house; for housing guests
 
guestroom
a bedroom that is kept for the use of guests
 
guidance device
a system of equipment for automatically guiding the path of a vehicle (especially a missile)
 
guide
a structure or marking that serves to direct the motion or positioning of something
 
guide rope
a rope used to guide the movement of the load of a crane
 
Guided Bomb Unit-28
a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground facilities
 
guided missile
a rocket-propelled missile whose path can be controlled during flight either by radio signals or by internal homing devices
 
guided missile cruiser
a cruiser that carries guided missiles
 
guided missile frigate
a frigate that carries guided missiles
 
guildhall
the hall of a guild or corporation
 
guilloche
an architectural decoration formed by two intersecting wavy bands
 
guillotine
instrument of execution that consists of a weighted blade between two vertical poles; used for beheading people
 
guimpe
a short blouse with sleeves that is worn under a jumper or pinafore dress
 
guimpe
a piece of starched cloth covering the shoulders of a nun's habit
 
guitar
a stringed instrument usually having six strings; played by strumming or plucking
 
guitar pick
a plectrum used to pluck a guitar
 
gulag
a Russian prison camp for political prisoners
 
gum boot
a high boot made of rubber
 
gumshield
(especially boxing) equipment that protects an athlete's mouth
 
gun
a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
 
gun carriage
a framework on which a gun is mounted for firing
 
gun case
a case for storing a gun
 
gun deck
formerly any deck other than the weather deck having cannons from end to end
 
gun emplacement
an emplacement for a gun
 
gun enclosure
a self-contained weapons platform housing guns and capable of rotation
 
gun microphone
a highly directional microphone with a long barrel; can be directed from a distance
 
gun muzzle
the open circular discharging end of a gun
 
gun pendulum
a ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged
 
gun rest
wale at the top of the side of boat; topmost planking of a wooden vessel
 
gun room
military quarters of midshipmen and junior officers on a British warship
 
gun trigger
lever that activates the firing mechanism of a gun
 
gunboat
a small shallow-draft boat carrying mounted guns; used by costal patrols
 
gunflint
the piece of flint that provides the igniting spark in a flintlock weapon
 
gunnery
guns collectively
 
gunpoint
the gun muzzle's direction
 
gunsight
a sight used for aiming a gun
 
gunstock
the handle of a handgun or the butt end of a rifle or shotgun or part of the support of a machine gun or artillery gun
 
gurney
a metal stretcher with wheels
 
gusher
an oil well with a strong natural flow so that pumping is not necessary
 
gusset
a metal plate used to strengthen a joist
 
gusset
a piece of material used to strengthen or enlarge a garment
 
gusset
a piece of chain mail covering a place unprotected by armor plate
 
gutter
a tool for gutting fish
 
gutter
a channel along the eaves or on the roof; collects and carries away rainwater
 
Guy
an effigy of Guy Fawkes that is burned on a bonfire on Guy Fawkes Day
 
guy
a cable, wire, or rope that is used to brace something (especially a tent)
 
gym mat
sports equipment consisting of a piece of thick padding on the floor for gymnastic sports
 
gym shoe
a canvas shoe with a pliable rubber sole
 
gym suit
clothes prescribed for wear while participating in gymnastic exercise
 
gym
athletic facility equipped for sports or physical training
 
gymnastic horse
a padded gymnastic apparatus on legs
 
gymslip
a sleeveless tunic worn by English girls as part of a school uniform
 
gypsum board
wallboard with a gypsum plaster core bonded to layers of paper or fiberboard; used instead of plaster or wallboard to make interior walls
 
gypsy cab
a taxicab that cruises for customers although it is licensed only to respond to calls
 
gyro
rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction
 
gyrocompass
a compass that does not depend on magnetism but uses a gyroscope instead
 
gyrostabiliser
a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane
 
H-bomb
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
 
H.M.S. Bounty
a ship of the British navy; in 1789 part of the crew mutinied against their commander William Bligh and set him afloat in an open boat
 
ha-ha
a ditch with one side being a retaining wall; used to divide lands without defacing the landscape
 
HAART
a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV
 
haberdashery
the drygoods sold by a haberdasher
 
habergeon
(Middle Ages) a light sleeveless coat of chain mail worn under the hauberk
 
habit
a distinctive attire worn by a member of a religious order
 
habit
attire that is typically worn by a horseback rider (especially a woman's attire)
 
hacienda
the main house on a ranch or large estate
 
hack
a tool (as a hoe or pick or mattock) used for breaking up the surface of the soil
 
hack saw
saw used with one hand for cutting metal
 
hackamore
rope or canvas headgear for a horse, with a rope for leading
 
hackney
a carriage for hire
 
haematinic
a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia
 
haematocrit
a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
 
haemostat
a surgical instrument that stops bleeding by clamping the blood vessel
 
haft
the handle of a weapon or tool
 
Hagia Sophia
a 6th century masterpiece of Byzantine architecture in Istanbul; built as a Christian church, converted to a mosque in 1453, and made into a museum in the middle of the 20th century
 
haick
an outer garment consisting of a large piece of white cloth; worn by men and women in northern Africa
 
hair grease
a toiletry for the hair
 
hair mousse
toiletry consisting of an aerosol foam used in hair styling
 
hair shirt
an uncomfortable shirt made of coarse animal hair; worn next to the skin as a penance
 
hair slide
a decorative hinged clip that girls and women put in their hair to hold it in place
 
hair space
(printing) the narrowest of the spaces used to separate words or letters
 
hair spray
toiletry consisting of a commercial preparation that is sprayed on the hair to hold it in place
 
hair trigger
a gun trigger that responds with little pressure
 
hair
cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments
 
hairbrush
a brush used to groom a person's hair
 
hairnet
a small net that some women wear over their hair to keep it in place
 
hairpin
a double pronged pin used to hold women's hair in place
 
hairpin bend
a U-shaped bend in a road
 
hairspring
a fine spiral spring that regulates the movement of the balance wheel in a timepiece
 
halberd
a pike fitted with an ax head
 
Halcion
a form of benzodiazepine (trade name Halcion) frequently prescribed as a sleeping pill; usually given to people who have trouble falling asleep
 
Haldol
tranquilizer (trade name Haldol) used to treat some psychotic disorders and Tourette's syndrome
 
half binding
book binding in which the spine and part of the sides are bound in one material and the rest in another
 
half cross stitch
a single cross stitch at a diagonal
 
half hatchet
a hatchet with a half axe head
 
half hitch
a knot used to fasten a rope temporarily to an object; usually tied double
 
half sole
shoe sole extending from the shank to the toe
 
half track
a track that goes around only rear wheels
 
half track
a motor vehicle propelled by half tracks; frequently used by the military
 
half-length
a portrait showing the body from only the waist up
 
half-relief
a sculptural relief between low relief and high relief
 
half-slip
undergarment worn under a skirt
 
halftone
a print obtained from photoengraving
 
halftone
an engraving used to reproduce an illustration
 
hall
a large building for meetings or entertainment
 
hall
a large room for gatherings or entertainment
 
hall
a large building used by a college or university for teaching or research
 
Hall of Fame
a building containing trophies honoring famous people
 
hall of residence
a university dormitory
 
hall
an interior passage or corridor onto which rooms open
 
hall
the large room of a manor or castle
 
hall
a large and imposing house
 
halliard
a rope for raising or lowering a sail or flag
 
hallstand
a piece of furniture where coats and hats and umbrellas can be hung; usually has a mirror
 
hallucinogen
a psychoactive drug that induces hallucinations or altered sensory experiences
 
halothane
a nonflammable inhalation anesthetic that produces general anesthesia; used along with analgesics and muscle relaxants for many types of surgical procedures
 
halter
a woman's top that fastens behind the back and neck leaving the back and arms uncovered
 
halter
a rope that is used by a hangman to execute persons who have been condemned to death by hanging
 
hame
stable gear consisting of either of two curved supports that are attached to the collar of a draft horse and that hold the traces
 
hammer
a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking
 
hammer
a striker that is covered in felt and that causes the piano strings to vibrate
 
hammer
a heavy metal sphere attached to a flexible wire; used in the hammer throw
 
hammer
a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
 
hammer
a power tool for drilling rocks
 
hammerhead
the striking part of a hammer
 
hammock
a hanging bed of canvas or rope netting (usually suspended between two trees); swings easily
 
Hammond organ
(music) an electronic simulation of a pipe organ
 
hamper
a basket usually with a cover
 
hand
a rotating pointer on the face of a timepiece
 
hand ax
a stone tool with a cutting edge; the stone is held in the hand and used for chopping
 
hand calculator
a calculator small enough to hold in the hand or carry in a pocket
 
hand cream
moisturizing cream for the hands
 
hand drill
a small portable drill held and operated by hand
 
hand glass
a mirror intended to be held in the hand
 
hand glass
light microscope consisting of a single convex lens that is used to produce an enlarged image
 
hand grenade
a grenade designed to be thrown by hand
 
hand line
a fishing line managed principally by hand
 
hand lotion
lotion used to soften the hands
 
hand luggage
luggage that is light enough to be carried by hand
 
hand mower
a lawn mower that is operated by hand
 
hand pump
a pump worked by hand
 
hand shovel
a shovel that is operated by hand
 
hand throttle
a hand-operated lever that controls the throttle valve
 
hand tool
a tool used with workers' hands
 
hand truck
a handcart that has a frame with two low wheels and a ledge at the bottom and handles at the top; used to move crates or other heavy objects
 
hand wear
clothing for the hands
 
hand-held computer
a portable battery-powered computer small enough to be carried in your pocket
 
hand-me-down
outgrown garment passed down from one person to another
 
handball
a small rubber ball used in playing the game of handball
 
handball court
the court on which handball is played
 
handbarrow
a rectangular frame with handles at both ends; carried by two people
 
handbasin
a basin for washing the hands (`wash-hand basin' is a British expression)
 
handbell
a bell that is held in the hand
 
handbow
a bow drawn by hand as distinguished from a crossbow
 
handcar
a small railroad car propelled by hand or by a small motor
 
handcraft
a work produced by hand labor
 
handgun
a firearm that is held and fired with one hand
 
handhold
an appendage to hold onto
 
handkerchief
a square piece of cloth used for wiping the eyes or nose or as a costume accessory
 
handlebar
the shaped bar used to steer a bicycle
 
handloom
a loom powered by hand
 
handrest
a support for the hand
 
handspike
a metal bar (or length of pipe) used as a lever
 
handstamp
a stamp (usually made of rubber) for imprinting a mark or design by hand
 
handwheel
control consisting of a wheel whose rim serves as the handle by which a part is operated
 
handwheel
a wheel worked by hand
 
hang glider
a glider resembling a large kite; the rider hangs from it while descending from a height
 
hangar queen
an airplane with a bad maintenance record
 
hanger
anything from which something can be hung
 
Hanging Gardens of Babylon
a terraced garden at Babylon watered by pumps from the Euphrates; construction attributed to Nebuchadnezzar around 600 BC
 
hanging
decoration that is hung (as a tapestry) on a wall or over a window
 
hank
a coil of rope or wool or yarn
 
hansom
a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers
 
harbor
a place of refuge and comfort and security
 
hard drug
a narcotic that is considered relatively strong and likely to cause addiction
 
hard hat
a lightweight protective helmet (plastic or metal) worn by construction workers
 
hard shoulder
a paved strip beside a motorway (for stopping in emergencies)
 
hardback
a book with cardboard or cloth or leather covers
 
hardtop
a car that resembles a convertible but has a fixed rigid top
 
hardware
major items of military weaponry (as tanks or missile)
 
hardware store
a store selling hardware
 
hardware
instrumentalities (tools or implements) made of metal
 
hareem
living quarters reserved for wives and concubines and female relatives in a Muslim household
 
harmonica
a small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole
 
harmonium
a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows
 
harness
stable gear consisting of an arrangement of leather straps fitted to a draft animal so that it can be attached to and pull a cart
 
harness
a support consisting of an arrangement of straps for holding something to the body (especially one supporting a person suspended from a parachute)
 
harp
a chordophone that has a triangular frame consisting of a sounding board and a pillar and a curved neck; the strings stretched between the neck and the soundbox are plucked with the fingers
 
harp
a pair of curved vertical supports for a lampshade
 
harpoon
a spear with a shaft and barbed point for throwing; used for catching large fish or whales; a strong line is attached to it
 
harpoon gun
a cannon or similar gun that fires harpoons
 
harpoon line
a strong rope for making the catch fast to the harpooner's boat
 
harpoon log
a cylindrical log with a device that registers distance
 
Harris Tweed
a loosely woven tweed made in the Outer Hebrides
 
harrow
a cultivator that pulverizes or smooths the soil
 
Harvard University
a university in Massachusetts
 
harvester
farm machine that gathers a food crop from the fields
 
haschisch
purified resinous extract of the hemp plant; used as a hallucinogen
 
hash house
an inexpensive restaurant
 
hasp
a fastener for a door or lid; a hinged metal plate is fitted over a staple and is locked with a pin or padlock
 
hassock
a cushion for kneeling on (as when praying in church)
 
hassock
thick cushion used as a seat
 
hat shop
shop selling women's hats
 
hatband
a band around the crown of a hat just above the brim
 
hatbox
a round piece of luggage for carrying hats
 
hatch
a movable barrier covering a hatchway
 
hatch
a sloping rear car door that is lifted to open
 
hatchback
a car having a hatchback door
 
hatchel
a comb for separating flax fibers
 
hatchet
a small ax with a short handle used with one hand (usually to chop wood)
 
hatchet
weapon consisting of a fighting ax; used by North American Indians
 
hatchway
an entrance equipped with a hatch; especially a passageway between decks of a ship
 
hatpin
a long sturdy pin used by women to secure a hat to their hair
 
hautbois
a slender double-reed instrument; a woodwind with a conical bore and a double-reed mouthpiece
 
havelock
a cloth covering for a service cap with a flap extending over the back of the neck to protect the neck from direct rays of the sun
 
haven
a shelter serving as a place of safety or sanctuary
 
Hawaiian guitar
guitar whose steel strings are twanged while being pressed with a movable steel bar for a glissando effect
 
hawk
a square board with a handle underneath; used by masons to hold or carry mortar
 
hawse
the hole that an anchor rope passes through
 
hawser
large heavy rope for nautical use
 
hawser bend
a knot uniting the ends of two lines
 
hay bale
a bale of hay
 
hay conditioner
a farm machine that treats hay to cause more rapid and even drying
 
hayfork
a long-handled fork for turning or lifting hay
 
hayloft
a loft in a barn where hay is stored
 
hayrack
a rack that holds hay for feeding livestock
 
hayrack
a frame attached to a wagon to increase the amount of hay it can carry
 
haywire
wire for tying up bales of hay
 
hazard
an obstacle on a golf course
 
head
a projection out from one end
 
head
(nautical) a toilet on board a boat or ship
 
head
the striking part of a tool
 
head
(usually plural) the obverse side of a coin that usually bears the representation of a person's head
 
head covering
a garment that covers the head and face
 
head gasket
a gasket to seal a cylinder head
 
head gate
a gate upstream from a lock or canal that is used to control the flow of water at the upper end
 
head restraint
a cushion attached to the top of the back of an automobile's seat to prevent whiplash
 
head shop
a shop specializing in articles of interest to drug users
 
head
(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk
 
headband
a band worn around or over the head
 
headboard
a vertical board or panel forming the head of a bedstead
 
headdress
clothing for the head
 
header
a machine that cuts the heads off grain and moves them into a wagon
 
header
a framing member crossing and supporting the ends of joists, studs, or rafters so as to transfer their weight to parallel joists, studs, or rafters
 
header
horizontal beam used as a finishing piece over a door or window
 
headfast
a mooring line that secures the bow of a boat or ship to a wharf
 
headgear
stable gear consisting of any part of a harness that fits about the horse's head
 
headgear
the hoist at the pithead of a mine
 
headlamp
a powerful light with reflector; attached to the front of an automobile or locomotive
 
headpiece
a protective helmet for the head
 
headpiece
the band that is the part of a bridle that fits around a horse's head
 
headpin
the front bowling pin in the triangular arrangement of ten pins
 
headrace
a waterway that feeds water to a mill or water wheel or turbine
 
headrest
a rest for the head
 
headsail
any sail set forward of the foremast of a vessel
 
headscarf
a kerchief worn over the head and tied under the chin
 
headset
receiver consisting of a pair of headphones
 
headshot
a photograph of a person's head
 
headstock
the stationary support in a machine or power tool that supports and drives a revolving part (as a chuck or the spindle on a lathe)
 
headstone
the central building block at the top of an arch or vault
 
health club
a place of business with equipment and facilities for exercising and improving physical fitness
 
health facility
building where medicine is practiced
 
hearse
a vehicle for carrying a coffin to a church or a cemetery; formerly drawn by horses but now usually a motor vehicle
 
heart
a playing card in the major suit that has one or more red hearts on it
 
heart valve
an implant that replaces a natural cardiac valve
 
heart-lung machine
a pump to maintain circulation during heart surgery; diverts blood from the heart and oxygenates it and then pumps it through the body
 
hearthrug
a rug spread out in front of a fireplace
 
hearthstone
a stone that forms a hearth
 
heat engine
any engine that makes use of heat to do work
 
heat exchanger
device that transfers heat from one liquid to another without allowing them to mix
 
heat lamp
electric heater consisting of a high-power incandescent lamp that emits infrared radiation
 
heat pump
apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings; can be used to transfer heat from a reservoir outside in order to heat a building
 
heat shield
a protective covering that protects a spacecraft from overheating on reentry
 
heat sink
a metal conductor specially designed to conduct (and radiate) heat
 
heat
utility to warm a building
 
heat-seeking missile
a missile with a guidance system that directs it toward targets emitting infrared radiation (as the emissions of a jet engine)
 
heater
device that heats water or supplies warmth to a room
 
heating element
the component of a heater or range that transforms fuel or electricity into heat
 
heating pad
heater consisting of electrical heating elements contained in a flexible pad
 
heaume
a large medieval helmet supported on the shoulders
 
heaver
a bar used as a lever (as in twisting rope)
 
heavier-than-air craft
a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
 
hectograph
duplicator consisting of a gelatin plate from which ink can be taken to make a copy
 
hedge trimmer
a garden tool for trimming hedges
 
hedge
a fence formed by a row of closely planted shrubs or bushes
 
heel
the bottom of a shoe or boot; the back part of a shoe or boot that touches the ground and provides elevation
 
heel
(golf) the part of the clubhead where it joins the shaft
 
heel
the lower end of a ship's mast
 
heliograph
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
 
heliometer
an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
 
heliport
an airport for helicopters
 
helm
steering mechanism for a vessel; a mechanical device by which a vessel is steered
 
helmet
a protective headgear made of hard material to resist blows
 
helmet
armor plate that protects the head
 
hem
the edge of a piece of cloth; especially the finished edge that has been doubled under and stitched down
 
hemming-stitch
a stitch used in sewing hems on skirts and dresses
 
hemstitch
embroidery similar to drawnwork
 
hemstitch
a stitch in which parallel threads are drawn and exposed threads are caught together in groups
 
henroost
a roost for hens at night
 
heraldry
emblem indicating the right of a person to bear arms
 
herb garden
a garden for growing herbs
 
herbal medicine
a medicine made from plants and used to prevent or treat disease or promote health
 
herm
a statue consisting of a squared stone pillar with a carved head (usually a bearded Hermes) on top; used in ancient Greece as a boundary marker or signpost
 
hermitage
the abode of a hermit
 
herringbone
a twilled fabric with a herringbone pattern
 
herringbone
a pattern of columns of short parallel lines with all the lines in one column sloping one way and lines in adjacent columns sloping the other way; it is used in weaving, masonry, parquetry, embroidery
 
Herschelian telescope
a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
 
heterodyne oscillator
an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones
 
heterodyne receiver
a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
 
hex nut
a nut with a hexagonal shape
 
hexachlorophene
antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste
 
hi-fi
equipment for the reproduction of sound with high fidelity
 
hibachi
a portable brazier that burns charcoal and has a grill for cooking
 
hideaway
an area where you can be alone
 
high altar
the main altar in a church
 
high bar
gymnastic apparatus consisting of a bar supported in a horizontal position by uprights at both ends
 
high hat
cymbals that are operated by a foot pedal
 
high street
street that serves as a principal thoroughfare for traffic in a town
 
high table
a dining table in a dining-hall raised on a platform; seats are reserved for distinguished persons
 
high wire
a tightrope very high above the ground
 
high
a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
 
high-angle gun
a cannon that can be fired at a high elevation for relatively short ranges
 
high-pass filter
a filter that passes frequencies above a certain value and attenuates frequencies below that value
 
high-rise
tower consisting of a multistoried building of offices or apartments
 
high-warp loom
a handloom in which the warp is carried vertically; for weaving tapestry
 
highball glass
a tall glass for serving highballs
 
highboard
a high diving board
 
highboy
a tall chest of drawers divided into two sections and supported on four legs
 
highlighter
a fluorescent marker used to mark important passages in a text
 
highlighter
a cosmetic used to highlight the eyes or cheekbones
 
highroad
a highway
 
highway system
a transportation system consisting of roads for motor transport
 
highway
a major road for any form of motor transport
 
hijab
a headscarf worn by Muslim women; conceals the hair and neck and usually has a face veil that covers the face
 
hill
structure consisting of an artificial heap or bank usually of earth or stones
 
hill
(baseball) the slight elevation on which the pitcher stands
 
hilt
the handle of a sword or dagger
 
hinge joint
a joint allowing movement in one plane only
 
hinging post
the gatepost on which the gate is hung
 
hip bath
a bathtub in which your buttocks and hips are immersed as if you were sitting in a chair and you bathe in a sitting position
 
hip boot
a very high boot; used especially for fishing
 
hip pad
protective garment consisting of a pad worn by football and hockey players
 
hip pocket
a pocket in rear of trousers
 
hip roof
a roof having sloping ends as well as sloping sides
 
hipflask
a flask that holds spirits
 
hippodrome
a stadium for horse shows or horse races
 
histamine blocker
a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2
 
hit
a dose of a narcotic drug
 
hitch
a knot that can be undone by pulling against the strain that holds it; a temporary knot
 
hitch
a connection between a vehicle and the load that it pulls
 
hitching bar
a fixed horizontal rail to which a horse can be hitched to prevent it from straying
 
hitching post
a fixed post with a ring to which a horse can be hitched to prevent it from straying
 
hob
a shelf beside an open fire where something can be kept warm
 
hob
a hard steel edge tool used to cut gears
 
hobble skirt
a long skirt very narrow below the knees, worn between 1910 and 1914
 
hobby
a child's plaything consisting of an imitation horse mounted on rockers; the child straddles it and pretends to ride
 
hobnail
a short nail with a thick head; used to protect the soles of boots
 
hockey puck
a vulcanized rubber disk 3 inches in diameter that is used instead of a ball in ice hockey
 
hockey skate
an ice skate worn for playing hockey; has a short blade and a strong boot to protect the feet and ankles
 
hockey stick
sports implement consisting of a curved or angled stick used by hockey players to move the puck
 
hod
an open box attached to a long pole handle; bricks or mortar are carried on the shoulder
 
hodometer
a meter that shows mileage traversed
 
hodoscope
(physics) scientific instrument that traces the path of a charged particle
 
hoe
a tool with a flat blade attached at right angles to a long handle
 
hoe handle
the handle of a hoe
 
hogan
a Navajo lodge covered with earth; traditionally built with the entrance facing east
 
hogshead
a large cask especially one holding 63 gals
 
hoist
lifting device for raising heavy or cumbersome objects
 
hold
a stronghold
 
hold
a cell in a jail or prison
 
holder
a holding device
 
holding cell
a jail in a courthouse where accused persons can be confined during a trial
 
holding device
a device for holding something
 
holding paddock
a pen where livestock is temporarily confined
 
hole
an opening deliberately made in or through something
 
hole card
(poker) a playing card dealt face down and not revealed until the showdown
 
Hollerith card
a card on which data can be recorded in the form of punched holes
 
holloware
silverware serving dishes
 
hologram
the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography
 
holster
a sheath (usually leather) for carrying a handgun
 
holster
a belt with loops or slots for carrying small hand tools
 
Holy Grail
(legend) chalice used by Christ at the Last Supper
 
holy of holies
(Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept
 
Holy Sepulchre
the sepulcher in which Christ's body lay between burial and resurrection
 
home appliance
an appliance that does a particular job in the home
 
home computer
a computer intended for use in the home
 
home court
(basketball) the court where the host team plays its home games
 
home room
a classroom in which all students in a particular grade (or in a division of a grade) meet at certain times under the supervision of a teacher who takes attendance and does other administrative business
 
home theater
television and video equipment designed to reproduce in the home the experience of being in a movie theater
 
home
(baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
 
home
an institution where people are cared for
 
home-farm
a farm that supplies the needs of a large estate of establishment
 
homespun
a rough loosely woven fabric originally made with yarn that was spun at home
 
homestead
dwelling that is usually a farmhouse and adjoining land
 
homestretch
the straight stretch of a racetrack leading to the finish line
 
homing device
the mechanism in a guided missile that guides it toward its objective
 
homing torpedo
a torpedo that is guided to its target (as by the sound of a ship's engines)
 
homolosine projection
an equal-area projection map of the globe; oceans are distorted in order to minimize the distortion of the continents
 
hone
a whetstone made of fine gritstone; used for sharpening razors
 
honeycomb
a framework of hexagonal cells resembling the honeycomb built by bees
 
hood
a headdress that protects the head and face
 
hood
the folding roof of a carriage
 
hood
(falconry) a leather covering for a hawk's head
 
hood latch
a catch that holds the hood of a car shut
 
hood ornament
an ornament on the front of the hood of a car emblematic of the manufacturer
 
hood
a tubular attachment used to keep stray light out of the lens of a camera
 
hoodoo
something believed to bring bad luck
 
hook
a curved or bent implement for suspending or pulling something
 
hook
a catch for locking a door
 
hook and eye
a kind of fastener used on clothing
 
hook spanner
a wrench with a hook that fits over a nut or bolt head
 
hookup
a device providing a connection between a power source and a user
 
hoop
a light curved skeleton to spread out a skirt
 
hoop
a rigid circular band of metal or wood or other material used for holding or fastening or hanging or pulling
 
hoop
a small arch used as croquet equipment
 
hoosegow
slang for a jail
 
Hoover
a kind of vacuum cleaner
 
Hoover Dam
a large dam built in 1933 on the Colorado River in Nevada
 
hop field
a garden where hops are grown
 
hop pole
a tall pole to support the wires on which the hop plant is trained
 
hope chest
chest for storage of clothing (trousseau) and household goods in anticipation of marriage
 
hopper
funnel-shaped receptacle; contents pass by gravity into a receptacle below
 
hopper
a machine used for picking hops
 
hopsack
a loosely woven coarse fabric of cotton or linen; used in clothing
 
horizontal section
a mechanical drawing of an object as if made by a plane cutting through it horizontally
 
horizontal stabiliser
the horizontal airfoil of an aircraft's tail assembly that is fixed and to which the elevator is hinged
 
horizontal surface
a flat surface at right angles to a plumb line
 
horizontal tail
the horizontal stabilizer and elevator in the tail assembly of an aircraft
 
horn
an alarm device that makes a loud warning sound
 
horn
a noisemaker (as at parties or games) that makes a loud noise when you blow through it
 
horn
a device having the shape of a horn
 
horn button
a button that you press to activate the horn of an automobile
 
horn
a high pommel of a Western saddle (usually metal covered with leather)
 
hornpipe
an ancient (now obsolete) single-reed woodwind; usually made of bone
 
horologe
a measuring instrument or device for keeping time
 
horoscope
a diagram of the positions of the planets and signs of the zodiac at a particular time and place
 
horror
something that inspires horror; something horrible
 
horse barn
a farm building for housing horses or other livestock
 
horse blanket
stable gear consisting of a blanket placed under the saddle
 
horse cart
heavy cart; drawn by a horse; used for farm work
 
horse pistol
a large pistol (usually in a holster) formerly carried by horsemen
 
horse
a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)
 
horse-drawn vehicle
a wheeled vehicle drawn by one or more horses
 
horse-trail
a trail for horses
 
horsebox
a conveyance (railroad car or trailer) for transporting racehorses
 
horsecar
an early form of streetcar that was drawn by horses
 
horsecloth
a cloth for the trapping of a horse
 
horsehair
a fabric made from fibers taken from the mane or tail of horses; used for upholstery
 
horsehair wig
a wig made of horsehair
 
horseless carriage
an early term for an automobile
 
horseshoe
game equipment consisting of an open ring of iron used in playing horseshoes
 
horseshoe
U-shaped plate nailed to underside of horse's hoof
 
horsewhip
a whip for controlling horses
 
hose
man's close-fitting garment of the 16th and 17th centuries covering the legs and reaching up to the waist; worn with a doublet
 
hose
a flexible pipe for conveying a liquid or gas
 
hose
socks and stockings and tights collectively (the British include underwear)
 
hospice
a lodging for travelers (especially one kept by a monastic order)
 
hospital bed
a single bed with a frame in three sections so the head or middle or foot can be raised as required
 
hospital room
a room in a hospital for the care of patients
 
hospital ship
a ship built to serve as a hospital; used for wounded in wartime
 
hospital train
a military train built to transport wounded troops to a hospital
 
hospital ward
block forming a division of a hospital (or a suite of rooms) shared by patients who need a similar kind of care
 
hospital
a health facility where patients receive treatment
 
host
(computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network
 
hostel
inexpensive supervised lodging (especially for youths on bicycling trips)
 
hot line
a direct telephone line between two officials
 
hot pad
a pad for use under a hot dish to protect a table
 
hot pants
skin-tight very short pants worn by young women as an outer garment
 
hot plate
a portable electric appliance for heating or cooking or keeping food warm
 
hot rod
a car modified to increase its speed and acceleration
 
hot spot
a lively entertainment spot
 
hot tub
a very large tub (large enough for more than one bather) filled with hot water
 
hot-air balloon
balloon for travel through the air in a basket suspended below a large bag of heated air
 
hot-water bag
a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
 
hot-water heater
a heater and storage tank to supply heated water
 
hotbed
a bed of earth covered with glass and heated by rotting manure to promote the growth of plants
 
hotbox
a journal bearing (as of a railroad car) that has overheated
 
hotel
a building where travelers can pay for lodging and meals and other services
 
hotel room
a bedroom (usually with bath) in a hotel
 
houdah
a (usually canopied) seat for riding on the back of a camel or elephant
 
hour hand
the shorter hand of a clock that points to the hours
 
hourglass
a sandglass that runs for sixty minutes
 
house
a dwelling that serves as living quarters for one or more families
 
house
a building in which something is sheltered or located
 
house of correction
(formerly) a jail or other place of detention for persons convicted of minor offences
 
house of God
any building where congregations gather for prayer
 
house paint
paint used to cover the exterior woodwork of a house
 
house trailer
a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy
 
house
a building where theatrical performances or motion-picture shows can be presented
 
houseboat
a barge that is designed and equipped for use as a dwelling
 
housecoat
a loose dressing gown for women
 
household linen
drygoods for household use that are typically made of white cloth
 
houselights
lights that illuminate the audience's part of a theater or other auditorium
 
housetop
the roof of a house
 
housing
a protective cover designed to contain or support a mechanical component
 
housing
structures collectively in which people are housed
 
hovel
small crude shelter used as a dwelling
 
howitzer
a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range
 
HQ
the military installation from which a commander performs the functions of command
 
huarache
a sandal with flat heels and an upper of woven leather straps
 
hub
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
 
hub-and-spoke
a system of air transportation in which local airports offer air transportation to a central airport where long-distance flights are available
 
hubcap
cap that fits over the hub of a wheel
 
huck
toweling consisting of coarse absorbent cotton or linen fabric
 
hug-me-tight
a woman's fitted jacket
 
hula-hoop
plaything consisting of a tubular plastic hoop for swinging around the hips
 
hulk
a ship that has been wrecked and abandoned
 
hull
the frame or body of ship
 
Hum-Vee
a high mobility, multipurpose, military vehicle with four-wheel drive
 
Humber Bridge
a suspension bridge at Hull, England; 4,626 feet long
 
humeral veil
a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl
 
humidifier
an appliance designed to add moisture to the air in a building
 
humming top
a top that makes a humming noise as it spins
 
hunter
a watch with a hinged metal lid to protect the crystal
 
hunting crop
a short whip with a thong at the end and a handle for opening gates
 
hunting knife
a large sharp knife with a handle shaped to fit the grip
 
hunting lodge
a small (rustic) house used as a temporary shelter
 
hurdle
a light movable barrier that competitors must leap over in certain races
 
hurdy gurdy
a stringed instrument that produces sounds by means of a wheel that rubs against the strings
 
hurricane lamp
an oil lamp with a glass chimney and perforated metal lid to protect the flame from high winds; candlestick with a glass chimney
 
hutch
a cage (usually made of wood and wire mesh) for small animals
 
hutment
an encampment of huts (chiefly military)
 
hydantoin
any of a group of anticonvulsant drugs used in treating epilepsy
 
hydrant
a discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks
 
hydrant
a faucet for drawing water from a pipe or cask
 
hydraulic brake
brake system in which a brake pedal moves a piston in the master cylinder; brake fluid then applies great force to the brake pads or shoes
 
hydraulic press
press in which a force applied by a piston to a small area is transmitted through water to another piston having a large area
 
hydraulic pump
a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
 
hydraulic system
a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube
 
hydraulic transmission
a transmission that depends on a hydraulic system
 
HydroDIURIL
a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension
 
hydroelectric turbine
turbine consisting of a large and efficient version of a water wheel used to drive an electric generator
 
hydroflumethiazide
diuretic used to treat hypertension and edema
 
hydrofoil
a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
 
hydroplane
an airplane that can land on or take off from water
 
hygrodeik
a wet and dry bulb hygrometer
 
hygrometer
measuring instrument for measuring the relative humidity of the atmosphere
 
hygroscope
hygrometer that shows variations in the relative humidity of the atmosphere
 
hyoscine
an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
 
hyoscyamine
a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
 
hyperbaric chamber
a large chamber in which the oxygen pressure is above normal for the atmosphere; used in treating breathing disorders or carbon monoxide poisoning
 
hypercoaster
a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets
 
hypermarket
a huge supermarket (usually built on the outskirts of a town)
 
Hyperstat
vasodilator (trade name Hyperstat) used to treat severe hypertension
 
Hypertensin
any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
 
hypnotic
a drug that induces sleep
 
hypo
a piston syringe that is fitted with a hypodermic needle for giving injections
 
hypodermic needle
a hollow needle
 
hypsometer
an altimeter that uses the boiling point of water to determine land elevation
 
hysterosalpingogram
X ray of the uterus and Fallopian tubes; usually done in diagnosing infertility (to see if there any blockages)
 
Hytrin
antihypertensive drug (trade name Hytrin) used to treat high blood pressure
 
I-beam
girder having a cross section resembling the letter `I'
 
I.E.D.
an explosive device that is improvised
 
ICBM
a ballistic missile that is capable of traveling from one continent to another
 
ICE
a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
 
ice ax
an ax used by mountain climbers for cutting footholds in ice
 
ice bag
a waterproof bag filled with ice: applied to the body (especially the head) to cool or reduce swelling
 
ice cube
a small cube of artificial ice; used for cooling drinks
 
ice hockey rink
an ice rink for playing ice hockey
 
ice machine
an electric refrigerator to supply ice cubes
 
ice maker
an appliance included in some electric refrigerators for making ice cubes
 
ice pick
pick consisting of a steel rod with a sharp point; used for breaking up blocks of ice
 
ice skate
skate consisting of a boot with a steel blade fitted to the sole
 
ice tongs
tongs for lifting blocks of ice
 
ice wagon
(formerly) a horse-drawn wagon that delivered ice door to door
 
ice yacht
a sailing vessel with runners and a cross-shaped frame; suitable for traveling over ice
 
ice
a rink with a floor of ice for ice hockey or ice skating
 
iceboat
a ship with a reinforced bow to break up ice and keep channels open for navigation
 
icebox
white goods in which food can be stored at low temperatures
 
iced-tea spoon
a teaspoon with a long handle
 
icehouse
a house for storing ice
 
icetray
a tray for making cubes of ice in a refrigerator
 
icon
a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church
 
icon
a visual representation (of an object or scene or person or abstraction) produced on a surface
 
iconography
the images and symbolic representations that are traditionally associated with a person or a subject
 
iconoscope
the first practical television-camera for picture pickup; invented in 1923 by Vladimir Kosma Zworykin
 
Identikit picture
a likeness of a person's face constructed from descriptions given to police; uses a set of transparencies of various facial features that can be combined to build up a picture of the person sought
 
Iditarod Trail
a trail that extends 1,100 miles from Anchorage over the Alaska Range to Nome
 
idle pulley
a pulley on a shaft that presses against a guide belt to guide or tighten it
 
igloo
an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome
 
igniter
a device for lighting or igniting fuel or charges or fires
 
ignition coil
an induction coil that converts current from a battery into the high-voltage current required by spark plugs
 
ignition interlock
a device that prevents an automotive engine from starting
 
ignition key
a key that operates the ignition switch of an automotive engine
 
ignition lock
a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
 
ignition switch
switch that operates a solenoid that closes a circuit to operate the starter
 
ignition
the mechanism that ignites the fuel in an internal-combustion engine
 
illumination
painting or drawing included in a book (especially in illuminated medieval manuscripts)
 
illustration
a visual representation (a picture or diagram) that is used make some subject more pleasing or easier to understand
 
image orthicon
a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
 
imaret
a hostel for pilgrims in Turkey
 
imbrication
covering with a design in which one element covers a part of another (as with tiles or shingles)
 
imitation
something copied or derived from an original
 
imitation leather
fabric made to look like leather
 
immersion heater
a heating element that is immersed in the liquid that is to be heated (as in a hot-water tank)
 
immovable bandage
a bandage of cloth impregnated with a substance (e.g., plaster of Paris) that hardens soon after it is applied
 
immune suppressant drug
a drug that lowers the body's normal immune response
 
immunizing agent
any substance or organism that provokes an immune response (produces immunity) when introduced into the body
 
impact printer
a printer that prints by mechanical impacts
 
impediment
any structure that makes progress difficult
 
impedimenta
the baggage and equipment carried by an army
 
impeller
the blade of a rotor (as in the compressor of a jet engine)
 
imperial
a piece of luggage carried on top of a coach
 
implant
a prosthesis placed permanently in tissue
 
implement
instrumentation (a piece of equipment or tool) used to effect an end
 
import
commodities (goods or services) bought from a foreign country
 
impost
the lowest stone in an arch -- from which it springs
 
impression
(dentistry) an imprint of the teeth and gums in wax or plaster
 
Impressionism
a school of late 19th century French painters who pictured appearances by strokes of unmixed colors to give the impression of reflected light
 
imprint
a device produced by pressure on a surface
 
improvisation
a creation spoken or written or composed extemporaneously (without prior preparation)
 
impulse explosive
an explosive that is used to propel projectiles from guns or to propel rockets and missiles or to launch torpedos and depth charges
 
impulse turbine
a turbine that is driven by jets direct against the blades
 
Imuran
an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ
 
in-basket
a wood or metal receptacle placed on your desk to hold your incoming material
 
in-line skate
a shoe with a line of rollers fixed to the sole
 
incinerator
a furnace for incinerating (especially to dispose of refuse)
 
incline
an inclined surface connecting two levels
 
inclined plane
a simple machine for elevating objects; consists of plane surface that makes an acute angle with the horizontal
 
inclinometer
an instrument showing the angle that an aircraft makes with the horizon
 
Independence Hall
the building in Philadelphia where the Declaration of Independence was signed
 
Inderal
the first beta blocker (trade name Inderal) used in treating hypertension and angina pectoris and essential tremor
 
index register
(computer science) a register used to determine the address of an operand
 
Indiaman
a large sailing ship that was engaged in the British trade with India
 
Indian club
a bottle-shaped club used in exercises
 
indian lodge
any of various Native American dwellings
 
Indian trail
a trail through the wilderness worn by Amerindians
 
indicator
a device for showing the operating condition of some system
 
indicator lamp
indicator consisting of a light to indicate whether power is on or a motor is in operation
 
indirect lighting
a concealed lighting fixture
 
Indocin
a nonsteroidal anti-inflammatory drug (trade name Indocin)
 
inductance
an electrical device (typically a conducting coil) that introduces inductance into a circuit
 
induction coil
a coil for producing a high voltage from a low-voltage source
 
industrial plant
buildings for carrying on industrial labor
 
industrial watercourse
a canal that is operated by one or more industries
 
inertial guidance system
a system to control a plane or spacecraft; uses inertial forces
 
infernal machine
a bomb that has a detonating mechanism that can be set to go off at a particular time
 
inflater
an air pump operated by hand to inflate something (as a tire)
 
information superhighway
an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
 
infrastructure
the basic structure or features of a system or organization
 
ingot
metal that is cast in the shape of a block for convenient handling
 
ingredient
a component of a mixture or compound
 
inhalant
a medication to be taken by inhaling it
 
inhalation anaesthetic
a gas that produces general anesthesia when inhaled
 
inhalator
a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion
 
inhalator
a breathing device for administering long-term artificial respiration
 
injector
a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)
 
ink bottle
a bottle of ink
 
ink cartridge
a cartridge that contains ink and can be replaced
 
ink eraser
an eraser that removes ink marks
 
ink-jet printer
a printer that produces characters by projecting electrically charged droplets of ink
 
inking pad
a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp
 
inkle
a linen tape used for trimming as a decoration
 
inkstand
a tray or stand for writing implements and containers for ink
 
inkstand
a small well holding writing ink into which a pen can be dipped
 
inlay
a decoration made by fitting pieces of wood into prepared slots in a surface
 
inlay
(dentistry) a filling consisting of a solid substance (as gold or porcelain) fitted to a cavity in a tooth and cemented into place
 
inlet manifold
manifold that carries vaporized fuel from the carburetor to the inlet valves of the cylinders
 
inlet
an opening through which fluid is admitted to a tube or container
 
inner tube
an inflatable rubber tube that fits inside the casing of a pneumatic tire
 
innersole
the inner sole of a shoe or boot where the foot rests
 
innovation
a creation (a new device or process) resulting from study and experimentation
 
Inocor
a drug (trade name Inocor) used intravenously in heart failure; increases strength of contraction of myocardium
 
input
a component of production; something that goes into the production of output
 
insert
an artifact that is inserted or is to be inserted
 
inset
a small picture inserted within the bounds or a larger one
 
inside caliper
caliper for measuring inside dimensions (the size of a cavity or hole); points on its legs curve outward
 
inside clinch
a clinch with the end of the line inside the loop
 
instep
the part of a shoe or stocking that covers the arch of the foot
 
instillator
medical apparatus that puts a liquid into a cavity drop by drop
 
institution
an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
 
instrument
a device that requires skill for proper use
 
instrument of execution
an instrument designed and used to take the life of a condemned person
 
instrument of punishment
an instrument designed and used to punish a condemned person
 
instrument of torture
an instrument of punishment designed and used to inflict torture on the condemned person
 
instrument
any of various devices or contrivances that can be used to produce musical tones or sounds
 
instrumentality
an artifact (or system of artifacts) that is instrumental in accomplishing some end
 
intake manifold
a manifold consisting of a pipe to carry fuel to each cylinder in an internal-combustion engine
 
intake valve
a valve that controls the flow of fluid through an intake
 
integrated circuit
a microelectronic computer circuit incorporated into a chip or semiconductor; a whole system rather than a single component
 
integrator
a measuring instrument for measuring the area of an irregular plane figure
 
Intelnet
a computer network similar to but separate from the internet; devoted to the dissemination of information to and for the Intelligence Community
 
interceptor
a fast maneuverable fighter plane designed to intercept enemy aircraft
 
interchange
a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams
 
intercom speaker
the loudspeaker on an intercom or public address system
 
intercom
a communication system linking different rooms within a building or ship etc
 
interface
(chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
 
interface
(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
 
interferometer
any measuring instrument that uses interference patterns to make accurate measurements of waves
 
interferon
an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus
 
interior door
a door that closes off rooms within a building
 
interlayer
a layer placed between other layers
 
internal drive
a drive mounted inside of a computer
 
interphone
a telephonic intercommunication system linking different rooms in a building or ship etc
 
interrupter
a device for automatically interrupting an electric current
 
interstate
one of the system of highways linking major cities in the 48 contiguous states of the United States
 
interstice
small opening between things
 
intimate apparel
women's underwear and nightclothes
 
intoxicant
a drug that can produce a state of intoxication
 
intranet
a restricted computer network; a private network created using World Wide Web software
 
intraocular lens
an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed
 
intravenous anesthetic
an anesthetic that produces anesthesia when injected into the circulatory system
 
inventory
the merchandise that a shop has on hand
 
inverted pleat
a box pleat reversed so that the fullness is turned inward
 
inverter
an electrical converter that converts direct current into alternating current
 
Invirase
a weak protease inhibitor (trade name Invirase) used in treating HIV
 
iodine
a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
 
iodoform
a yellowish crystalline solid with a penetrating odor; sometimes used as an antiseptic dressing
 
IOL
a clear plastic lens that is implanted in the eye; usually done when the natural lens has been removed in a cataract operation
 
ion engine
a type of reaction-propulsion engine to propel rockets in space; a stream of positive ions is accelerated to a high velocity by an electric field
 
ion pump
a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
 
ionization chamber
a measuring instrument that measures the amount of ionizing radiation
 
ipecac
a medicinal drug used to evoke vomiting (especially in cases of drug overdose or poisoning)
 
iPod
(trademark) a pocket-sized device used to play music files
 
iproclozide
an antidepressant drug that acts as a monoamine oxidase inhibitor
 
iris
diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
 
iron
a golf club that has a relatively narrow metal head
 
iron foundry
a foundry where cast iron is produced
 
iron horse
(c. 1840) an early term for a locomotive
 
iron lung
respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration
 
iron maiden
instrument of torture consisting of a hollow iron frame shaped like the human body and lined with spikes to impale the victim
 
iron
home appliance consisting of a flat metal base that is heated and used to smooth cloth
 
ironclad
a wooden warship of the 19th century that is plated with iron or steel armor
 
ironing
garments (clothes or linens) that are to be (or have been) ironed
 
ironing board
narrow padded board on collapsible supports; used for ironing clothes
 
ironmongery
the merchandise that is sold in an ironmonger's shop
 
ironwork
work made of iron (gratings or rails or railings etc)
 
ironworks
the workplace where iron is smelted or where iron goods are made
 
irregular
merchandise that has imperfections; usually sold at a reduced price without the brand name
 
irrigation ditch
a ditch to supply dry land with water artificially
 
island
a zone or area resembling an island
 
isoflurane
a widely used inhalation anesthetic
 
Isoptin
a drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine
 
Isordil
drug (trade name Isordil) used to treat angina pectoris and congestive heart failure
 
Isuprel
drug (trade name Isuprel) used to treat bronchial asthma and to stimulate the heart
 
item
a whole individual unit; especially when included in a list or collection
 
IUD
contraceptive device consisting of a piece of bent plastic or metal that is inserted through the vagina into the uterus
 
IVP
X-ray picture of the kidneys and ureters after injection of a radiopaque dye
 
izar
a voluminous cotton outer garment (usually white) traditionally worn by Muslim women of northern Africa and the Middle East; covers the entire body
 
jabot
a ruffle on the front of a woman's blouse or a man's shirt
 
jack
tool for exerting pressure or lifting
 
jack
small flag indicating a ship's nationality
 
jack
an electrical device consisting of a connector socket designed for the insertion of a plug
 
jack
a small ball at which players aim in lawn bowling
 
jack plane
a carpenter's plane for rough finishing
 
jack
game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks
 
jack
one of four face cards in a deck bearing a picture of a young prince
 
jack-in-the-box
plaything consisting of a toy clown that jumps out of a box when the lid is opened
 
jack-o'-lantern
lantern carved from a pumpkin
 
jacket
a short coat
 
jacket
an outer wrapping or casing
 
jacket
the tough metal shell casing for certain kinds of ammunition
 
jacklight
a light used as a lure in hunting or fishing at night
 
jackscrew
screw-operated jack
 
jackstraw
a thin strip of wood used in playing the game of jackstraws
 
Jacob's ladder
(nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
 
jaconet
a lightweight cotton cloth with a smooth and slightly stiff finish; used for clothing and bandages
 
jacquard
a highly figured fabric woven on a Jacquard loom
 
Jacquard loom
a loom with an attachment for forming openings for the passage of the shuttle between the warp threads; used in weaving figured fabrics
 
jag
a slit in a garment that exposes material of a different color underneath; used in Renaissance clothing
 
jalousie
a shutter made of angled slats
 
jalousie
a window with glass louvers
 
Jamaica shorts
(used in the plural) short pants that end at the knee
 
jamb
upright consisting of a vertical side member of a door or window frame
 
jamjar
a jar for holding jellies or preserves
 
jammer
a transmitter used to broadcast electronic jamming
 
jammies
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
 
jampan
a kind of sedan chair used in India
 
japan
lacquer with a durable glossy black finish, originally from the orient
 
japan
lacquerware decorated and varnished in the Japanese manner with a glossy durable black lacquer
 
jar
a vessel (usually cylindrical) with a wide mouth and without handles
 
Jarvik artificial heart
a kind of artificial heart that has been used with some success
 
jaunting car
an open two-wheeled one-horse cart formerly widely used in Ireland
 
javelin
a spear thrown as a weapon or in competitive field events
 
jaw
holding device consisting of one or both of the opposing parts of a tool that close to hold an object
 
Jaws of Life
hydraulic tool inserted into a wrecked vehicle and used to pry the wreckage apart in order to provide access to people trapped inside
 
je ne sais quoi
something indescribable
 
jeep
a car suitable for traveling over rough terrain
 
jellaba
a loose cloak with a hood; worn in the Middle East and northern Africa
 
jemmy
a short crowbar
 
jerkin
a tight sleeveless and collarless jacket (often made of leather) worn by men in former times
 
jersey
a slightly elastic machine-knit fabric
 
Jerusalem cross
a cross with equal arms, each terminating in a small crossbar
 
jet bridge
an extendible bridge for loading passengers onto large commercial airplanes; provides protected access to the plane from the gate
 
jet engine
a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
 
jet
an airplane powered by one or more jet engines
 
jetliner
a large jet plane that carries passengers
 
jetsam
the part of a ship's equipment or cargo that is thrown overboard to lighten the load in a storm
 
jew's harp
a small lyre-shaped musical instrument that is placed between the teeth and played by twanging a wire tongue while changing the shape of the mouth cavity
 
jeweled headdress
a headdress adorned with jewels
 
jeweler's glass
an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen
 
jeweler's loupe
small magnifying glass (usually set in an eyepiece) used by jewelers and horologists
 
jewellery
an adornment (as a bracelet or ring or necklace) made of precious metals and set with gems (or imitation gems)
 
jib
any triangular fore-and-aft sail (set forward of the foremast)
 
jibboom
a spar that extends the bowsprit
 
jig
a device that holds a piece of machine work and guides the tools operating on it
 
jig
a fisherman's lure with one or more hooks that is jerked up and down in the water
 
jigger
any small mast on a sailing vessel; especially the mizzenmast of a yawl
 
jigger
a small glass adequate to hold a single swallow of whiskey
 
jigsaw puzzle
a puzzle that requires you to reassemble a picture that has been mounted on a stiff base and cut into interlocking pieces
 
jigsaw
a portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut; generally have a plate that rides on the surface that is being cut
 
jim crow
a crowbar fitted with a claw for pulling nails
 
jinrikisha
a small two-wheeled cart for one passenger; pulled by one person
 
job
a workplace; as in the expression `on the job'
 
job
an object worked on; a result produced by working
 
job-oriented terminal
a terminal designed for a particular application
 
jobcentre
a government office in a town where information about available jobs is displayed and where unemployment benefits are administered
 
Jockey shorts
(used in the plural) short tight-fitting underpants (trade name Jockey shorts)
 
jodhpur breeches
(used in the plural) flared trousers ending at the calves; worn with riding boots
 
jodhpur
a short riding boot that fastens with a buckle at the side
 
Johns Hopkins
a university in Baltimore
 
joinery
fine woodwork done by a joiner
 
joint
junction by which parts or objects are joined together
 
joint
a disreputable place of entertainment
 
Joint Direct Attack Munition
a pinpoint bomb guidance device that can be strapped to a gravity bomb thus converting dumb bombs into smart bombs
 
joint hinge
a hinge with two long straps; one strap is fastened to the surface of a moving part (e.g., a door or lid) and the other is fastened to the adjacent stationary frame
 
joint
marijuana leaves rolled into a cigarette for smoking
 
jointer
a long carpenter's plane used to shape the edges of boards so they will fit together
 
joist
beam used to support floors or roofs
 
joker
a playing card that is usually printed with a picture of a jester
 
Jolly Roger
a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship
 
jolly
a yawl used by a ship's sailors for general work
 
jook
a small roadside establishment in the southeastern United States where you can eat and drink and dance to music provided by a jukebox
 
jorum
a large drinking bowl
 
joss
a Chinese god worshipped in the form of an idol
 
joss house
a Chinese temple or shrine for idol worship
 
journal
the part of the axle contained by a bearing
 
journal
a record book as a physical object
 
journal bearing
the bearing of a journal
 
journal box
metal housing for a journal bearing
 
joystick
a manual control consisting of a vertical handle that can move freely in two directions; used as an input device to computers or to devices controlled by computers
 
judas
a one-way peephole in a door
 
jug
a large bottle with a narrow mouth
 
Juggernaut
a crude idol of Krishna
 
juice reamer
a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit
 
jukebox
a cabinet containing an automatic record player; records are played by inserting a coin
 
jumbo jet
a very large jet plane
 
jump rope
a length of rope (usually with handles on each end) that is swung around while someone jumps over it
 
jump seat
a folding seat in an automobile
 
jump suit
one-piece uniform worn by parachutists
 
jump suit
one-piece garment fashioned after a parachutist's uniform
 
jumper
a loose jacket or blouse worn by workmen
 
jumper
a small connector used to make temporary electrical connections
 
jumper
a coverall worn by children
 
jumper
a sleeveless dress resembling an apron; worn over other clothing
 
jumper
a crocheted or knitted garment covering the upper part of the body
 
jumping jack
plaything consisting of a toy figure with movable joints that can be made to dance by pulling strings
 
junction
the place where two or more things come together
 
jungle gym
a structure of vertical and horizontal rods where children can climb and play
 
junk
any of various Chinese boats with a high poop and lugsails
 
junk shop
a shop that sells cheap secondhand goods
 
jury box
an enclosure within a courtroom for the jury
 
jury mast
a temporary mast to replace one that has broken off
 
Kaaba
(Islam) a black stone building in Mecca that is shaped like a cube and that is the most sacred Muslim pilgrim shrine; believed to have been given by Gabriel to Abraham; Muslims turn in its direction when praying
 
kachina
a carved doll wearing the costume of a particular Pueblo spirit; usually presented to a child as a gift
 
kaffiyeh
an Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal
 
Kafocin
antibiotic related to cephalosporin but no longer in common use
 
Kakemono
a Japanese (paper or silk) wall hanging; usually narrow with a picture or writing on it and a roller at the bottom
 
kalansuwa
a cap that is wrapped around by a turban and worn by Muslim religious elders
 
Kalashnikov
a type of submachine gun made in Russia
 
kaleidoscope
an optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors
 
kameez
a long tunic worn by many people from the Indian subcontinent (usually with a salwar or churidars)
 
kamikaze
a fighter plane used for suicide missions by Japanese pilots in World War II
 
Kammon Strait Bridge
a suspension bridge between Kyushu and Honshu
 
Kantrex
antibiotic (trade name Kantrex) used to treat severe infections
 
kanzu
(Swahili) a long garment (usually white) with long sleeves; worn by men in East Africa
 
Kaopectate
trade name for a fixed-combination antidiarrheal drug that use kaolin as the adsorbent and pectin as the emollient
 
katharometer
measures thermal conductivity
 
Kavrin
an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive
 
kayak
a small canoe consisting of a light frame made watertight with animal skins; used by Eskimos
 
kazoo
a toy wind instrument that has a membrane that makes a sound when you hum into the mouthpiece
 
keel
one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability
 
keel arch
a pointed arch having an S-shape on both sides
 
keelboat
river boat with a shallow draught and a keel but no sails; used to carry freight; moved by rowing or punting or towing
 
keelson
a longitudinal beam connected to the keel of ship to strengthen it
 
keepsake
something of sentimental value
 
Keflin
an oral cephalosporin (trade names Keflex and Keflin and Keftab) commonly prescribe for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract
 
keg
small cask or barrel
 
Kemadrin
drug (trade name Kemadrin) used to reduce tremors in Parkinsonism
 
kepi
a cap with a flat circular top and a visor
 
keratoscope
medical instrument to examine the cornea in order to detect irregularities in its anterior surface
 
kerchief
a square scarf that is folded into a triangle and worn over the head or about the neck
 
kern
the part of a metal type that projects beyond its body
 
kerosene heater
heater that burns oil (as kerosine) for heating or cooking
 
kerosene lamp
a lamp that burns oil (as kerosine) for light
 
Kerr cell
optical device consisting of a transparent cell with two electrodes between two polarizing media; passes light only if the two planes of polarization are parallel; used as a high-speed shutter or to modulate a laser beam
 
Ketalar
a general anesthetic and tranquilizer (not a barbiturate) that is administered intravenously or intramuscularly; used mainly by veterinarians or for minor surgery with geriatric or pediatric patients; taken in large doses it causes hallucinations similar to those associated with the use of PCP
 
ketch
a sailing vessel with two masts; the mizzen is forward of the rudderpost
 
kettle
a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
 
key
metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
 
key
a lever (as in a keyboard) that actuates a mechanism when depressed
 
key ring
a circular ring of metal for holding keys
 
key
mechanical device used to wind another device that is driven by a spring (as a clock)
 
keyboard
holder consisting of an arrangement of hooks on which keys or locks can be hung
 
keyboard
device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
 
keyboard buffer
a buffer that keeps track of key strokes until the computer is ready to respond to them
 
keyboard instrument
a musical instrument that is played by means of a keyboard
 
keyhole
the hole where a key is inserted
 
keyhole saw
a handsaw with a long narrow blade for cutting short radius curves; similar to a compass saw
 
khaddar
a coarse homespun cotton cloth made in India
 
khaki
a sturdy twilled cloth of a yellowish brown color used especially for military uniforms
 
khakis
a military uniform made of khaki fabric
 
khimar
a headscarf worn by observant Muslim women that hangs down to just above the waist
 
khukuri
a curved steel knife with a razor-sharp edge used in combat by the Gurkhas; has cultural and religious significance in Nepal
 
kibble
an iron bucket used for hoisting in wells or mining
 
kick pleat
pleat in back of a straight skirt to allow ease in walking
 
kick start
a starter (as on a motorcycle) that is activated with the foot and the weight of the body
 
kicksorter
scientific instrument consisting of an electronic circuit that permits only voltage pulses of predetermined height to pass
 
kickstand
a swiveling metal rod attached to a bicycle or motorcycle or other two-wheeled vehicle; the rod lies horizontally when not in use but can be kicked into a vertical position as a support to hold the vehicle upright when it is not being ridden
 
kid glove
a glove made of fine soft leather (as kidskin)
 
kiley
an Australian boomerang; one side flat and the other convex
 
kiln
a furnace for firing or burning or drying such things as porcelain or bricks
 
kilt
a knee-length pleated tartan skirt worn by men as part of the traditional dress in the Highlands of northern Scotland
 
kimono
a loose robe; imitated from robes originally worn by Japanese
 
kinescope
a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen
 
Kinetoscope
a device invented by Edison that gave an impression of movement as an endless loop of film moved continuously over a light source with a rapid shutter; precursor of the modern motion picture
 
king
(chess) the weakest but the most important piece
 
king
one of the four playing cards in a deck bearing the picture of a king
 
king
a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward
 
King Arthur's Round Table
(legend) the circular table for King Arthur and his knights
 
king post
post connecting the crossbeam to the apex of a triangular truss
 
kingbolt
bolt that provides a steering joint in a motor vehicle
 
Kipp's apparatus
a laboratory apparatus for producing a gas (usually hydrogen sulfide) by the action of a liquid on a solid without heating
 
kirk
a Scottish church
 
kirpan
a ceremonial four-inch curved dagger that Sikh men and women are obliged to wear at all times
 
kirtle
a long dress worn by women
 
kirtle
a garment resembling a tunic that was worn by men in the Middle Ages
 
kit
a case for containing a set of articles
 
kit bag
a knapsack (usually for a soldier)
 
kit
gear consisting of a set of articles or tools for a specified purpose
 
kitchen
a room equipped for preparing meals
 
kitchen appliance
a home appliance used in preparing food
 
kitchen garden
a small garden where vegetables are grown
 
kitchen island
an unattached counter in a kitchen that permits access from all sides
 
kitchen match
a wooden friction match that will light on any granular surface; useful to light wood or gas stoves
 
kitchen sink
a sink in a kitchen
 
kitchen table
a table in the kitchen
 
kitchen utensil
a utensil used in preparing food
 
kitchenette
small kitchen
 
kitchenware
hardware utensils for use in a kitchen
 
kite
plaything consisting of a light frame covered with tissue paper; flown in wind at end of a string
 
kite balloon
a barrage balloon with lobes at one end that keep it headed into the wind
 
kite tail
a bob on a kite to provide balance
 
kitsch
excessively garish or sentimental art; usually considered in bad taste
 
Klavier
a stringed instrument that has a keyboard
 
Klein bottle
a closed surface with only one side; formed by passing one end of a tube through the side of the tube and joining it with the other end
 
klieg light
carbon arc lamp that emits an intense light used in producing films
 
klystron
an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation
 
knee
the part of a trouser leg that provides the cloth covering for the knee
 
knee brace
a brace worn to strengthen the knee
 
knee pad
protective garment consisting of a pad worn by football or baseball or hockey players
 
knee piece
armor plate that protects the knee
 
knee-hi
a sock or stocking that reaches up to just below the knees
 
kneeler
a board (sometimes cushioned) for someone to kneel on
 
knickknack
a small inexpensive mass-produced article
 
knife
edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
 
knife
a weapon with a handle and blade with a sharp point
 
knife blade
the blade of a knife
 
knife pleat
a single pleat turned in one direction
 
knit
a fabric made by knitting
 
knit
a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
 
knit
needlework created by interlacing yarn in a series of connected loops using straight eyeless needles or by machine
 
knitting machine
a textile machine that makes knitted fabrics
 
knitting needle
needle consisting of a slender rod with pointed ends; usually used in pairs
 
knitting stitch
a stitch taken in knitting
 
knitwear
knitted clothing
 
knob
a round handle
 
knob
an ornament in the shape of a ball on the hilt of a sword or dagger
 
knobble
a small knob
 
knobkerrie
a short wooden club with a heavy knob on one end; used by aborigines in southern Africa
 
knockabout
a sloop with a simplified rig and no bowsprit
 
knockout drops
chloral hydrate in combination with alcohol; usually administered surreptitiously to make the drinker unconscious
 
knot
any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
 
knout
a whip with a lash of leather thongs twisted with wire; used for flogging prisoners
 
kohl
a cosmetic preparation used by women in Egypt and Arabia to darken the edges of their eyelids
 
Kon Tiki
a light raft made of balsa
 
Kotex
a disposable absorbent pad (trade name Kotex); worn to absorb menstrual flow
 
koto
Japanese stringed instrument that resembles a zither; has a rectangular wooden sounding board and usually 13 silk strings that are plucked with the fingers
 
kraal
a pen for livestock in southern Africa
 
kremlin
citadel of a Russian town
 
Kremlin
citadel of Moscow, housing the offices of the Russian government
 
Kundt's tube
a measuring instrument used to measure the speed of sound
 
Kurdistan
an oriental rug woven by Kurds that is noted for fine colors and durability
 
kurta
a loose collarless shirt worn by many people on the Indian subcontinent (usually with a salwar or churidars or pyjama)
 
L-P
a long-playing phonograph record; designed to be played at 33.3 rpm
 
L-plate
a square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner
 
laager
a camp defended by a circular formation of wagons
 
lab bench
a workbench in a laboratory
 
lab coat
a light coat worn to protect clothing from substances used while working in a laboratory
 
lab
a workplace for the conduct of scientific research
 
labor camp
a penal institution for political prisoners who are used as forced labor
 
Labyrinth of Minos
a vast labyrinth built in Crete by Daedalus at the command of Minos in order to contain the Minotaur
 
labyrinth
complex system of paths or tunnels in which it is easy to get lost
 
lace
a delicate decorative fabric woven in an open web of symmetrical patterns
 
lace
a cord that is drawn through eyelets or around hooks in order to draw together two edges (as of a shoe or garment)
 
lacework
work consisting of (or resembling) lace fabric
 
lacquer
a hard glossy coating
 
lacquerware
a decorative work made of wood and covered with lacquer and often inlaid with ivory or precious metals
 
lacrosse ball
ball used in playing lacrosse
 
ladder
steps consisting of two parallel members connected by rungs; for climbing up or down
 
ladder-back
the backrest of a chair that consists of two uprights with connecting slats
 
ladder-back
a chair with a ladder-back
 
ladies' room
a woman's restroom in a public (or semipublic) building
 
ladle
a spoon-shaped vessel with a long handle; frequently used to transfer liquids from one container to another
 
lady chapel
a small chapel in a church; dedicated to the Virgin Mary
 
lag bolt
a heavy woodscrew with a square or hexagonal head that is driven in with a wrench
 
lag
one of several thin slats of wood forming the sides of a barrel or bucket
 
lagan
goods (or wreckage) on the sea bed that is attached to a buoy so that it can be recovered
 
lagerphone
an Australian percussion instrument used for playing bush music; a long stick with bottle caps nailed loosely to it; played by hitting it with a stick or banging it on the ground
 
lake dwelling
dwelling built on piles in or near a lake; specifically in prehistoric villages
 
Lake Mead
the largest reservoir in the United States; located in southeastern Nevada and northwestern Arizona and formed by the Hoover Dam on the Colorado River; the center of a recreational area
 
Lake Powell
the second largest reservoir in the United States; located in southern Utah and north central Arizona and formed by the Glen Canyon Dam on the Colorado River
 
Lake Volta
the Volta river in southeastern has been dammed to create one of the world's largest man-made lakes
 
lally
support column consisting of a steel cylinder filled with concrete
 
lamasery
a monastery for lamas
 
lambrequin
short and decorative hanging for a shelf edge or top of a window casing
 
lambrequin
a scarf that covers a knight's helmet
 
lame
a fabric interwoven with threads of metal
 
lamella
thin plate
 
laminar flow clean room
a clean room free of all extraneous particles; used in fabricating microprocessors
 
laminate
a sheet of material made by bonding two or more sheets or layers
 
lamination
a layered structure
 
Lamisil
an oral antifungal drug (trade name Lamisil) used to treat cases of fungal nail disease
 
lamp
an artificial source of visible illumination
 
lamp
a piece of furniture holding one or more electric light bulbs
 
lamp house
housing that holds a lamp (as in a movie projector)
 
lamp shade
a protective ornamental covering for a lamp, used to screen a light bulb from direct view
 
lamppost
a metal post supporting an outdoor lamp (such as a streetlight)
 
LAN
a local computer network for communication between computers; especially a network connecting computers and word processors and other electronic office equipment to create a communication system between offices
 
lanai
a veranda or roofed patio often furnished and used as a living room
 
lance
a surgical knife with a pointed double-edged blade; used for punctures and small incisions
 
lance
a long pointed rod used as a tool or weapon
 
lancet window
a narrow window having a lancet arch and without tracery
 
lancet
an acutely pointed Gothic arch, like a lance
 
land line
a telephone line that travels over terrestrial circuits
 
land office
a government office where business relating to public lands is transacted
 
landau
a four-wheel covered carriage with a roof divided into two parts (front and back) that can be let down separately
 
lander
a space vehicle that is designed to land on the moon or another planet
 
landing
an intermediate platform in a staircase
 
landing craft
naval craft designed for putting ashore troops and equipment
 
landing flap
a flap on the underside of the wing that is lowered to slow the plane for landing
 
landing gear
an undercarriage that supports the weight of the plane when it is on the ground
 
landing net
a bag-shaped fishnet on a long handle to take a captured fish from the water
 
landing skid
one of two parts of the landing gear of a helicopter
 
landing stage
platform from which passengers and cargo can be (un)loaded
 
landing
structure providing a place where boats can land people or goods
 
landscape
painting depicting an expanse of natural scenery
 
landscape
a genre of art dealing with the depiction of natural scenery
 
landscaping
a garden laid out for esthetic effect
 
landside
component consisting of a side piece opposite the moldboard
 
lane
a narrow way or road
 
lane
a well-defined track or path; for e.g. swimmers or lines of traffic
 
laniard
(nautical) a line used for extending or fastening rigging on ships
 
laniard
a cord worn around the neck to hold a knife or whistle
 
laniard
a cord with an attached hook that is used to fire certain types of cannon
 
lanolin
an emollient containing wool fat (a fatty substance obtained from the wool of sheep)
 
Lanoxin
digitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmia; helps the heart beat more forcefully
 
lantern
light in a transparent protective case
 
lantern pinion
a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks
 
lantern slide
a transparency mounted in a frame; viewed with a slide projector
 
lap joint
joint made by overlapping two ends and joining them together
 
lap
the part of a piece of clothing that covers the thighs
 
lap
a flap that lies over another part
 
laparoscope
a slender endoscope inserted through an incision in the abdominal wall in order to examine the abdominal organs or to perform minor surgery
 
lapboard
writing board used on the lap as a table or desk
 
lapel
lap at the front of a coat; continuation of the coat collar
 
lappet
a small lap on a garment or headdress
 
laptop
a portable computer small enough to use in your lap
 
larboard
the left side of a ship or aircraft to someone who is aboard and facing the bow or nose
 
lariat
a long noosed rope used to catch animals
 
laryngoscope
a medical instrument for examining the larynx
 
laser printer
electrostatic printer that focuses a laser beam to form images that are transferred to paper electrostatically
 
laser
an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
 
lash
leather strip that forms the flexible part of a whip
 
lashing
rope that is used for fastening something to something else
 
Lasix
commonly used diuretic (trade name Lasix) used to treat hypertension and edema
 
Lastex
yarn that has an elastic core wound around with cotton or silk or nylon or rayon threads
 
latch
catch for fastening a door or gate; a bar that can be lowered or slid into a groove
 
latchet
a leather strap or thong used to attach a sandal or shoe to the foot
 
latchkey
key for raising or drawing back a latch or opening an outside door
 
latchstring
opener consisting of a string that can be passed through a hole in a door for raising the latch from outside
 
lateen
a triangular fore-and-aft sail used especially in the Mediterranean
 
lateen-rig
the rig on a lateen-rigged sailing vessel
 
Lateran Palace
a palace that served as the residence of the popes until the 14th century
 
latex
a water-base paint that has a latex binder
 
lath
a narrow thin strip of wood used as backing for plaster or to make latticework
 
lathe
machine tool for shaping metal or wood; the workpiece turns about a horizontal axis against a fixed tool
 
lathee
club consisting of a heavy stick (often bamboo) bound with iron; used by police in India
 
Latin cross
a cross with the lowest arm being longer than the others
 
latrine
a public toilet in a military area
 
laudanum
narcotic consisting of an alcohol solution of opium or any preparation in which opium is the main ingredient
 
laugh track
prerecorded laughter added to the soundtrack of a radio or television show
 
laughing gas
inhalation anesthetic used as an anesthetic in dentistry and surgery
 
launch
a motorboat with an open deck or a half deck
 
launch area
a platform from which rockets or space craft are launched
 
launcher
armament in the form of a device capable of launching a rocket
 
Laundromat
a self-service laundry (service mark Laundromat) where coin-operated washing machines are available to individual customers
 
laundry
workplace where clothes are washed and ironed
 
laundry cart
handcart for moving a load of laundry
 
laundry detergent
any of various detergents designed for use in a washing machine for clothing
 
laundry truck
van that picks up and delivers laundry
 
laundry
garments or white goods that can be cleaned by laundering
 
lavalava
a skirt consisting of a rectangle of calico or printed cotton; worn by Polynesians (especially Samoans)
 
lavalier
jeweled pendant worn on a chain around the neck
 
laver
(Old Testament) large basin used by a priest in an ancient Jewish temple to perform ritual ablutions
 
lawn furniture
furniture intended for use on a lawn or in a garden
 
lawn mower
garden tool for mowing grass on lawns
 
laxative
a mild cathartic
 
lay figure
dummy in the form of an artist's jointed model of the human body
 
layby
designated paved area beside a main road where cars can stop temporarily
 
layette
kit consisting of a complete outfit (clothing and accessories) for a new baby
 
lazar house
hospital for persons with infectious diseases (especially leprosy)
 
lazy daisy stitch
long chain stitches arranged in flower patterns
 
lazy Susan
a revolving tray placed on a dining table
 
LCD
a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc.
 
lead line
(nautical) plumb line for determining depth
 
lead pencil
pencil that has graphite as the marking substance
 
lead
thin strip of metal used to separate lines of type in printing
 
lead
restraint consisting of a rope (or light chain) used to restrain an animal
 
lead
mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
 
lead-acid accumulator
a battery with lead electrodes with dilute sulphuric acid as the electrolyte; each cell generates about 2 volts
 
lead-in
wire connecting an antenna to a receiver or a transmitter to a transmission line
 
leading edge
forward edge of an airfoil
 
leading rein
rein to direct the horse's head left or right
 
leaf
hinged or detachable flat section (as of a table or door)
 
leaf spring
long narrow spring consisting of several layers of metal springs bracketed together
 
lean-to
rough shelter whose roof has only one slope
 
lean-to tent
tent that is attached to the side of a building
 
Leaning Tower of Pisa
a tall round marble campanile in Pisa that is not perpendicular; construction was begun in 1174
 
leather soap
a mild soap for cleansing and conditioning leather
 
leather strip
implement consisting of a strip of leather
 
leatherwork
work made of leather
 
Leclanche cell
voltaic cell that produces approximately 1.5 volts
 
lectern
desk or stand with a slanted top used to hold a text at the proper height for a lecturer
 
lecture room
classroom where lectures are given
 
LED
diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
 
lederhosen
leather shorts often worn with suspenders; worn especially by men and boys in Bavaria
 
ledger board
top rail of a fence or balustrade
 
left
the piece of ground in the outfield on the catcher's left
 
leg
a cloth covering consisting of the part of a pair of trousers that covers a person's leg
 
leg
one of the supports for a piece of furniture
 
leg covering
a garment covering the leg (usually extending from the knee to the ankle)
 
leg
a prosthesis that replaces a missing leg
 
Lego set
(trademark) a child's plastic construction set for making mechanical models
 
leister
a spear with three or more prongs; used for spearing fish (especially salmon)
 
leisure wear
informal clothing designed to be worn when you are relaxing
 
LEM
a spacecraft that carries astronauts from the command module to the surface of the moon and back
 
lemon grove
a grove of lemon trees
 
lemon
an artifact (especially an automobile) that is defective or unsatisfactory
 
length
a section of something that is long and narrow
 
lenitive
remedy that eases pain and discomfort
 
lens cap
cap used to keep lens free of dust when not in use
 
lens
a transparent optical device used to converge or diverge transmitted light and to form images
 
leotards
skintight knit hose covering the body from the waist to the feet worn by acrobats and dancers and as stockings by women and girls
 
Lescol
least expensive statin drug (trade name Lescol); usually taken orally at bedtime
 
lethal dose
the size dose that will cause death
 
letter bomb
a thin explosive device inside an envelope or package and detonated when opened
 
letter box
a private box for delivery of mail
 
letter box
public box for deposit of mail
 
letter case
case for carrying letters
 
letter opener
dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books
 
Leukeran
an alkylating agent (trade name Leukeran) used to treat some kinds of cancer
 
levee
an embankment that is built in order to prevent a river from overflowing
 
levee
a pier that provides a landing place on a river
 
level
indicator that establishes the horizontal when a bubble is centered in a tube of liquid
 
lever
a rigid bar pivoted about a fulcrum
 
lever
a simple machine that gives a mechanical advantage when given a fulcrum
 
lever lock
a lock whose tumblers are levers that must be raised to a given position so that the bolt can move
 
lever
a flat metal tumbler in a lever lock
 
Levi's
a popular brand of jeans
 
Levitra
virility drug (trade name Levitra) used to treat erectile dysfunction in men
 
Leyden jar
an electrostatic capacitor of historical interest
 
LGB
a smart bomb that seeks the laser light reflected off of the target and uses it to correct its descent
 
Liberty Bell
the bell of Independence Hall; rung 8 July 1776 to announce the signing of the Declaration of Independence
 
liberty cap
close-fitting conical cap worn as a symbol of liberty during the French Revolution and in the U.S. before 1800
 
Liberty ship
a slow cargo ship built during World War II
 
library
a room where books are kept
 
library
a building that houses a collection of books and other materials
 
Libritabs
a tranquilizer (trade names Librium and Libritabs) used in the treatment of alcoholism
 
license plate
a plate mounted on the front and back of car and bearing the car's registration number
 
lichgate
a roofed gate to a churchyard, formerly used as a temporary shelter for the bier during funerals
 
lid
a movable top or cover (hinged or separate) for closing the opening at the top of a box, chest, jar, pan, etc.
 
lidar
a measuring system that detects and locates objects on the same principle as radar but uses light from a laser; a potential technology for detecting air turbulence that can affect aircraft
 
lido
a recreational facility including a swimming pool for water sports
 
lido deck
an open deck including a swimming pool
 
lie detector
a polygraph that records bodily changes sometimes associated with lying
 
Liebig condenser
a condenser: during distillation the vapor passes through a tube that is cooled by water
 
life belt
a life preserver in the form of a ring of buoyant material
 
life belt
belt attaching you to some object as a restraint in order to prevent you from getting hurt
 
life mask
a cast taken from the face of a living person
 
life office
life assurance office
 
life support
medical equipment that assists or replaces important bodily functions and so enables a patient to live who otherwise might not survive
 
life support
equipment that makes life possible in otherwise deadly environmental conditions
 
lifeboat
a strong sea boat designed to rescue people from a sinking ship
 
lifeline
line thrown from a vessel that people can cling to in order to save themselves from drowning
 
lifeline
line that raises or lowers a deep-sea diver
 
lift
one of the layers forming the heel of a shoe or boot
 
lift
a device worn in a shoe or boot to make the wearer look taller or to correct a shortened leg
 
lift pump
pump used to lift rather than force a liquid up
 
lift
a powered conveyance that carries skiers up a hill
 
lifting device
a device for lifting heavy loads
 
ligament
any connection or unifying bond
 
ligature
thread used by surgeons to bind a vessel (as to constrict the flow of blood)
 
ligature
a metal band used to attach a reed to the mouthpiece of a clarinet or saxophone
 
light arm
a rifle or pistol
 
light circuit
wiring that provides power to electric lights
 
light machine gun
a submachine gun not greater than .30 millimeter
 
light microscope
microscope consisting of an optical instrument that magnifies the image of an object
 
light
any device serving as a source of illumination
 
lighter-than-air craft
aircraft supported by its own buoyancy
 
lighting
apparatus for supplying artificial light effects for the stage or a film
 
lighting fixture
a fixture providing artificial light
 
lightning arrester
electrical device inserted in a power line to protect equipment from sudden fluctuations in current
 
lightning conductor
a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning
 
lightship
a ship equipped like a lighthouse and anchored where a permanent lighthouse would be impracticable
 
likeness
picture consisting of a graphic image of a person or thing
 
Lilo
a type of inflatable air mattress
 
limb
the graduated arc that is attached to an instrument for measuring angles
 
limb
either of the two halves of a bow from handle to tip
 
limber
a two-wheeled horse-drawn vehicle used to pull a field gun or caisson
 
limbers
a channel or gutter on either side of a ship's keelson; carries bilge water into the pump well
 
limekiln
a kiln used to reduce naturally occurring forms of calcium carbonate to lime
 
limo
large luxurious car; usually driven by a chauffeur
 
linac
ions are accelerated along a linear path by voltage differences on electrodes along the path
 
linchpin
pin inserted through an axletree to hold a wheel on
 
Lincocin
antibiotic (trade name Lincocin) obtained from a streptomyces bacterium and used in the treatment of certain penicillin-resistant infections
 
Lincoln Memorial
memorial building in Washington containing a large marble statue of Abraham Lincoln
 
line
something (as a cord or rope) that is long and thin and flexible
 
line
a commercial organization serving as a common carrier
 
line block
engraving consisting of a block that has been etched or engraved
 
line engraving
a print obtained from a line drawing
 
line of defence
defensive structure consisting of a barrier that can be employed for defense against attack
 
line printer
printer that serves as an output device on a computer; prints a whole line of characters at a time
 
line
a telephone connection
 
line
a pipe used to transport liquids or gases
 
line
the road consisting of railroad track and roadbed
 
linen
white goods or clothing made with linen cloth
 
linen
a fabric woven with fibers from the flax plant
 
liner
a piece of cloth that is used as the inside surface of a garment
 
liner
a protective covering that protects an inside surface
 
liner
a large commercial ship (especially one that carries passengers on a regular schedule)
 
Link trainer
an early form of flight simulator
 
link
a fastener that serves to join or connect
 
link
a two-way radio communication system (usually microwave); part of a more extensive telecommunication network
 
link-attached station
a terminal connected to a computer by a data link
 
linkage
a mechanical system of rods or springs or pivots that transmits power or motion
 
linocut
a design carved in relief into a block of linoleum
 
linocut
a print that is made from a design carved in relief into a block of linoleum
 
linoleum cutter
a knife having a short stiff blade with a curved point used for cutting linoleum
 
Linotype machine
a typesetting machine operated from a keyboard that casts an entire line as a single slug of metal
 
linsey-woolsey
a rough fabric of linen warp and wool or cotton woof
 
linstock
a stick about a meter long with a point on one end (to stick in the ground) and a forked head on the other end (to hold a lighted match); formerly used to fire cannons
 
lint
cotton or linen fabric with the nap raised on one side; used to dress wounds
 
lion-jaw forceps
a type of forceps
 
lip balm
a balm applied to the lips
 
lip rouge
makeup that is used to color the lips
 
lip-gloss
makeup that makes the lips shiny
 
lipid-lowering medication
a medicine that lowers blood cholesterol levels by inhibiting HMG-CoA reductase
 
Lipitor
an oral drug (trade name Lipitor) that is effective in lowering triglycerides; potent in reducing LDL cholesterol because higher doses can be given
 
Lipo-Hepin
a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery
 
liqueur glass
a small glass for serving a small amount of liqueur (typically after dinner)
 
liquid detergent
a detergent in liquid form
 
liquid metal reactor
a nuclear reactor using liquid metal as a coolant
 
liquid soap
soap in liquid form
 
liquor store
a store that sells alcoholic beverages for consumption elsewhere
 
lisle
a fabric woven with lisle thread
 
lisle
a strong tightly twisted cotton thread (usually made of long-staple cotton)
 
lister
moldboard plow with a double moldboard designed to move dirt to either side of a central furrow
 
lithograph
a print produced by lithography
 
lithograph
duplicator that prints by lithography; a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern
 
litter
conveyance consisting of a chair or bed carried on two poles by bearers
 
litter basket
bin (usually in or outside a public building) into which the public can put rubbish
 
little theater
a small theater for experimental drama or collegiate or community groups
 
live load
a variable load on a structure (e.g. a bridge) such as moving traffic
 
livery
uniform worn by some menservants and chauffeurs
 
livery stable
stable where horses and vehicles are kept for hire
 
living quarters
housing available for people to live in
 
Lo/Ovral
trade name for an oral contraceptive containing estradiol and norgestrel
 
load
electrical device to which electrical power is delivered
 
load
the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents
 
Loafer
a low leather step-in shoe; the top resembles a moccasin but it has a broad flat heel
 
loan office
an office where loans are negotiated and repaid
 
loan office
a shop where loans are made with personal property as security
 
loaner
a car that is lent as a replacement for one that is under repair
 
lobe
a rounded projection that is part of a larger structure
 
lobster pot
trap for catching lobsters
 
local
public transport consisting of a bus or train that stops at all stations or stops
 
local road
a street that is primarily used to gain access to the property bordering it
 
local
anesthetic that numbs a particular area of the body
 
location
a workplace away from a studio at which some or all of a movie may be made
 
Lochaber ax
a battle-ax formerly used by Scottish Highlanders
 
lock
a fastener fitted to a door or drawer to keep it firmly closed
 
lock
a mechanism that detonates the charge of a gun
 
lock ring
washer that prevents a nut from loosening
 
lock
enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it
 
lock-gate
a gate that can be locked
 
lockage
a system of locks in a canal or waterway
 
locker
a fastener that locks or closes
 
locker room
a room (as at an athletic facility or workplace) where you can change clothes and which contains lockers for the temporary storage of your clothing and personal possessions
 
locket
a small ornamental case; usually contains a picture or a lock of hair and is worn on a necklace
 
locking pliers
pliers that can be locked in place
 
locknut
supplementary nut that is screwed down on a primary nut to prevent it from loosening
 
lockstitch
machine stitch in which the top thread interlocks with the bobbin thread
 
lockup
jail in a local police station
 
lodge
small house at the entrance to the grounds of a country mansion; usually occupied by a gatekeeper or gardener
 
lodging house
a house where rooms are rented
 
Lodine
a nonsteroidal anti-inflammatory drug (trade name Lodine)
 
Loestrin
trade name for an oral contraceptive containing estradiol and norethindrone
 
loft
floor consisting of a large unpartitioned space over a factory or warehouse or other commercial space
 
loft
a raised shelter in which pigeons are kept
 
log
measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water
 
log cabin
a cabin built with logs
 
log line
a knotted cord that runs out from a reel to a piece of wood that is attached to it
 
loge
balcony consisting of the forward section of a theater mezzanine
 
loggia
a roofed arcade or gallery with open sides stretching along the front or side of a building; often at an upper level
 
logic element
an electronic device that performs an elementary logic operation
 
Lomotil
trade name of an antidiarrheal
 
lomustine
an antineoplastic drug often used to treat brain tumors or Hodgkin's disease
 
long iron
an iron with a long shaft and a steep face; for hitting long low shots
 
long johns
warm underwear with long legs
 
long pants
trousers reaching to the foot
 
long sleeve
a sleeve extending from shoulder to wrist
 
long tom
a long swivel cannon formerly used by the navy
 
long underwear
an undergarment with shirt and drawers in one piece
 
longboat
the largest boat carried by a merchant sailing vessel
 
longbow
a powerful wooden bow drawn by hand; usually 5-6 feet long; used in medieval England
 
longshot
a photograph taken from a distance
 
longyi
a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma
 
lookout
a structure commanding a wide view of its surroundings
 
loom
a textile machine for weaving yarn into a textile
 
loop
an intrauterine device in the shape of a loop
 
loop knot
any of various knots used to make a fixed loop in a rope
 
loop-line
a railway branch line that branches from the trunk line and then rejoins it later on
 
loophole
a small hole in a fortified wall; for observation or discharging weapons
 
Lopid
medication (trade name Lopid) used to lower the levels of triglyceride in the blood
 
lopper
a long-handled pruning saw with a curved blade at the end and sometimes a clipper; used to prune small trees
 
Lopressor
beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
 
Lord's table
the table in Christian churches where communion is given
 
Lorfan
drug (trade name Lorfan) that is related to morphine but that counteracts the respiratory depression produced by morphine poisoning but without affecting its analgesic effects
 
lorgnette
eyeglasses that are held to the eyes with a long handle
 
lorry
a large low horse-drawn wagon without sides
 
lost-and-found
repository in a public building where lost articles can be kept until their owners reclaim them
 
lota
a globular water bottle used in Asia
 
lotion
any of various cosmetic preparations that are applied to the skin
 
loud pedal
a pedal on a piano that lifts the dampers from the strings and so allows them to continue vibrating
 
loudspeaker
electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
 
lounge suit
a business suit consisting of a matching jacket and skirt or trousers
 
lounge
a room (as in a hotel or airport) with seating where people can wait
 
lounger
an article of clothing designed for comfort and leisure wear
 
lounger
an armchair whose back can be lowered and foot can be raised to allow the sitter to recline in it
 
loungewear
clothing suitable for relaxation
 
lounging jacket
a man's soft jacket usually with a tie belt; worn at home
 
lounging pajama
pajamas worn while lounging
 
Louvre Museum
an art museum that is a famous tourist attraction in Paris
 
love knot
a stylized or decorative knot used as an emblem of love
 
love seat
small sofa that seats two people
 
love-token
keepsake given as a token of love
 
loving cup
a large drinking vessel (usually with two handles) that people drink out of in turn at a banquet
 
low-pass filter
a filter that passes frequencies below a certain value and attenuates frequencies above that value
 
low-warp-loom
a handloom in which the warp is carried horizontally; for weaving tapestry
 
lowboy
a low chest or table with drawers and supported on four legs
 
lower cannon
cannon of plate armor protecting the forearm
 
lower deck
the deck below the main deck
 
lower
the lower of two berths
 
Loxitane
a tranquilizer (trade name Loxitane) used to treat schizophrenia
 
Lozal
diuretic (trade name Lozal) used in the treatment of hypertension
 
lozenge
a dose of medicine in the form of a small pellet
 
LSD
a powerful hallucinogenic drug manufactured from lysergic acid
 
lubber's hole
hole in a platform on a mast through which a sailor can climb without going out on the shrouds
 
Lucy in the sky with diamonds
street name for lysergic acid diethylamide
 
luff
(nautical) the forward edge of a fore-and-aft sail that is next to the mast
 
lug
a projecting piece that is used to lift or support or turn something
 
lug wrench
a wrench with jaws that have projecting lugs to engage the object that is to be rotated
 
lug
a sail with four corners that is hoisted from a yard that is oblique to the mast
 
luge
a racing sled for one or two people
 
Luger
a German semiautomatic pistol
 
luggage carrier
carrier (as behind a bicycle seat) for luggage
 
luggage rack
carrier for holding luggage above the seats of a train or on top of a car
 
lugger
small fishing boat rigged with one or more lugsails
 
lumber jacket
a short warm outer jacket
 
lumber room
a storeroom in a house where odds and ends can be stored (especially furniture)
 
lumberman's saw
a saw with handles at both ends; intended for use by two people
 
lumbermill
a mill for dressing logs and lumber
 
lumberyard
a workplace where lumber is stocked for sale
 
Luminal
a long-acting barbiturate used as a sedative
 
lunchroom
a restaurant (in a facility) where lunch can be purchased
 
lunette
temporary fortification like a detached bastion
 
lunula
a crescent-shaped metal ornament of the Bronze Age
 
lusterware
pottery with a metallic sheen produced by adding metallic oxides to the glaze
 
lute
chordophone consisting of a plucked instrument having a pear-shaped body, a usually bent neck, and a fretted fingerboard
 
lyceum
a public hall for lectures and concerts
 
lymphangiogram
an angiogram of the lymph nodes and lymph vessels made after the injection of a radiopaque substance
 
lypressin
an antidiuretic and vasoconstrictor used to treat diabetes insipidus
 
lyre
a harp used by ancient Greeks for accompaniment
 
mac
a waterproof raincoat made of rubberized fabric
 
macadam
a paved surface having compressed layers of broken rocks held together with tar
 
machete
a large heavy knife used in Central and South America as a weapon or for cutting vegetation
 
machicolation
a projecting parapet supported by corbels on a medieval castle; has openings through which stones or boiling water could be dropped on an enemy
 
machine
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
 
machine bolt
a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts
 
machine gun
a rapidly firing automatic gun (often mounted)
 
machine screw
a screw used either with a nut or with a tapped hole; slotted head can be driven by a screwdriver
 
machine shop
workshop where metal is cut and shaped etc., by machine tools
 
machine stitch
a sewing stitch made by a sewing machine, sometimes using more than one thread
 
machine tool
a powered machine for cutting or shaping or finishing metals or other materials
 
machine
a device for overcoming resistance at one point by applying force at some other point
 
machinery
machines or machine systems collectively
 
machinist's vise
a vise with two parallel iron jaws and a wide opening below
 
machmeter
speedometer for measuring the speed of an aircraft relative to the speed of sound
 
macintosh
a lightweight waterproof (usually rubberized) fabric
 
Mackinac Bridge
a suspension bridge across the channel between the lower and upper peninsulas of Michigan
 
mackinaw
a heavy woolen cloth heavily napped and felted, often with a plaid design
 
Mackinaw blanket
a thick plaid blanket formerly used in the northwestern United States
 
Mackinaw boat
a flat-bottomed boat used on upper Great Lakes
 
Mackinaw coat
a short plaid coat made of made of thick woolen material
 
macrame
a relatively coarse lace; made by weaving and knotting cords
 
Macrodantin
derivative of nitrofuran used as an antibacterial medicine (trade name Macrodantin) effective against a broad range of Gram-positive and Gram-negative bacteria; used to treat infections of the urinary tract
 
madras
a light patterned cotton cloth
 
Mae West
an inflatable life jacket
 
mag tape
memory device consisting of a long thin plastic strip coated with iron oxide; used to record audio or video signals or to store computer information
 
magazine
product consisting of a paperback periodic publication as a physical object
 
magazine rack
a rack for displaying magazines
 
magazine
a storehouse (as a compartment on a warship) where weapons and ammunition are stored
 
magic bullet
a remedy (drug or therapy or preventive) that cures or prevents a disease
 
magic lantern
an early form of slide projector
 
Magic Marker
a pen with a writing tip made of felt (trade name Magic Marker)
 
magic realism
a literary or artistic genre in which realistic narrative or meticulously realistic painting are combined with surreal elements of fantasy or dreams
 
Maginot Line
a fortification built before World War II to protect France's eastern border; initially considered to be impregnable, it was easily overrun by the German army in 1940
 
magnet
(physics) a device that attracts iron and produces a magnetic field
 
magnetic bottle
container consisting of any configuration of magnetic fields used to contain a plasma during controlled thermonuclear reactions
 
magnetic bubble memory
a nonvolatile storage device that holds information in the form of bubbles on a thin film of magnetic silicate; no longer used in most computers
 
magnetic compass
compass based on an indicator (as a magnetic needle) that points to the magnetic north
 
magnetic head
an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved
 
magnetic mine
(nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship)
 
magnetic needle
a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
 
magnetic pole
one of the two ends of a magnet where the magnetism seems to be concentrated
 
magnetic recorder
recorder consisting of equipment for making records on magnetic media
 
magnetic stripe
a short strip of magnetic tape attached to a credit card or debit card; it contains data that will tell a reading device who you are and what your account number is, etc.
 
magneto
a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine
 
magnetograph
a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)
 
magnetron
a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators
 
magnifier
a scientific instrument that magnifies an image
 
magnum
a large wine bottle for liquor or wine
 
magnum opus
a great work of art or literature
 
magnus hitch
a rolling hitch similar to a clove hitch
 
mahlstick
a long stick that a painter uses to support the hand holding the brush
 
mail
a conveyance that transports the letters and packages that are conveyed by the postal system
 
mail boat
a boat for carrying mail
 
mail car
a railway car in which mail is transported and sorted
 
mail pouch
pouch used in the shipment of mail
 
mail slot
a slot (usually in a door) through which mail can be delivered
 
mail train
a train that carries mail
 
mailbag
letter carrier's shoulder bag
 
maildrop
a drop where mail can be deposited
 
mailer
a container for something to be mailed
 
maillot
tights for dancers or gymnasts
 
maillot
a woman's one-piece bathing suit
 
mailsorter
a sorter for sorting mail according to the address
 
main
a principal pipe in a system that distributes water or gas or electricity or that collects sewage
 
main course
a square mainsail
 
main deck
the uppermost sheltered deck that runs the entire length of a large vessel
 
main drag
the main street of a town or city
 
main line
the principal route of a transportation system
 
main rotor
rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
 
main yard
yard for a square mainsail
 
main-topmast
the topmast next above the mainmast
 
main-topsail
a topsail set on the mainmast
 
mainframe
a large digital computer serving 100-400 users and occupying a special air-conditioned room
 
mainmast
the chief mast of a sailing vessel with two or more masts
 
mainsail
the lowermost sail on the mainmast
 
mainsheet
(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
 
mainspring
the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
 
mainstay
the forestay that braces the mainmast
 
maiolica
highly decorated earthenware with a glaze of tin oxide
 
maisonette
a small house
 
maisonette
a self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside
 
major suit
(bridge) a suit of superior scoring value, either spades or hearts
 
makeup
cosmetics applied to the face to improve or change your appearance
 
makeweight
a weight added to the scale to reach a required weight
 
making
(usually plural) the components needed for making or doing something
 
Maksutov telescope
reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens
 
malacca
a cane made from the stem of a rattan palm
 
male plug
an electrical device with two or three pins that is inserted in a socket to make an electrical connection
 
mall
a public area set aside as a pedestrian walk
 
mallet
a sports implement with a long handle and a head like a hammer; used in sports (polo or croquet) to hit a ball
 
Maltese cross
a cross with triangular or arrow-shaped arms and the points toward the center
 
mammogram
X-ray film of the soft tissue of the breast
 
man's clothing
clothing that is designed for men to wear
 
man
game equipment consisting of an object used in playing certain board games
 
man-of-war
a warship intended for combat
 
mandala
any of various geometric designs (usually circular) symbolizing the universe; used chiefly in Hinduism and Buddhism as an aid to meditation
 
Mandelamine
antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections
 
mandola
an early type of mandolin
 
mandolin
a stringed instrument related to the lute, usually played with a plectrum
 
manger
a container (usually in a barn or stable) from which cattle or horses feed
 
mangle
clothes dryer for drying and ironing laundry by passing it between two heavy heated rollers
 
manhole
a hole (usually with a flush cover) through which a person can gain access to an underground structure
 
manhole cover
a flush iron cover for a manhole (as in a street)
 
manifold
a pipe that has several lateral outlets to or from other pipes
 
manometer
a pressure gauge for comparing pressures of a gas
 
manor
the mansion of a lord or wealthy person
 
MANPAD
a man-portable surface-to-air missile
 
mansard
a hip roof having two slopes on each side
 
manse
the residence of a clergyman (especially a Presbyterian clergyman)
 
manta
a blanket that is used as a cloak or shawl
 
mantelet
short cape worn by women
 
mantelet
portable bulletproof shelter
 
mantilla
a woman's silk or lace scarf
 
mantrap
a trap for catching trespassers
 
mantua
loose gown of the 17th and 18th centuries
 
manufactured home
a large house trailer that can be connected to utilities and can be parked in one place and used as permanent housing
 
Mao jacket
a light weight jacket with a high collar; worn by Mao Zedong and the Chinese people during his regime
 
MAOI
any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate
 
map
a diagrammatic representation of the earth's surface (or part of it)
 
map projection
a projection of the globe onto a flat map using a grid of lines of latitude and longitude
 
maquiladora
an assembly plant in Mexico (near the United States border); parts are shipped into Mexico and the finished product is shipped back across the border
 
maraca
a percussion instrument consisting of a hollow gourd containing pebbles or beans; often played in pairs
 
marble
a small ball of glass that is used in various games
 
marble
a sculpture carved from marble
 
marching order
equipage for marching
 
marimba
a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets
 
marina
a fancy dock for small yachts and cabin cruisers
 
Marineland
a commercial aquarium featuring trained dolphins
 
marionette
a small figure of a person operated from above with strings by a puppeteer
 
marker
some conspicuous object used to distinguish or mark something
 
marker
a writing implement for making a mark
 
market garden
a garden where fruit and vegetables are grown for marketing
 
market square
a public marketplace where food and merchandise is sold
 
market
an area in a town where a public mercantile establishment is set up
 
marline
a small usually tarred line of 2 strands
 
marlinespike
a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)
 
marmite
a large pot especially one with legs used e.g. for cooking soup
 
maroon
an exploding firework used as a warning signal
 
Marplan
a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression
 
marquee
permanent canopy over an entrance of a hotel etc.
 
marquee
large and often sumptuous tent
 
marqueterie
inlaid veneers are fitted together to form a design or picture that is then used to ornament furniture
 
marriage bed
the bed shared by a newly wed couple
 
marseille
strong cotton fabric with a raised pattern; used for bedspreads
 
marsh buggy
an amphibious vehicle typically having four-wheel drive and a raised body
 
marshalling yard
a railway yard in which trains are assembled and goods are loaded
 
martello tower
a circular masonry fort for coastal defence
 
martingale
a harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head
 
Mary Jane
street names for marijuana
 
mascara
makeup that is used to darken and thicken the eye lashes
 
maser
an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation
 
masher
a kitchen utensil used for mashing (e.g. potatoes)
 
mashie niblick
iron with a lofted face for hitting high shots to the green
 
masjid
(Islam) a Muslim place of worship
 
mask
a covering to disguise or conceal the face
 
mask
a protective covering worn over the face
 
masking paper
adhesive tape used to cover the part of a surface that should not be painted
 
masking
scenery used to block the audience's view of parts of the stage that should not be seen
 
Mason jar
a glass jar with an air-tight screw top; used in home canning
 
mason's level
a level longer than a carpenter's level
 
Masonite
a type of fiberboard
 
masonry
structure built of stone or brick by a mason
 
mass rapid transit
an urban public transit system using underground or elevated trains
 
mass spectrograph
a mass spectrometer that produces a graphical representation of the mass spectrum
 
mass spectrometer
spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer
 
Massachusetts Institute of Technology
an engineering university in Cambridge
 
massage parlor
a business establishment that offers therapeutic massage
 
massage parlor
a place where illicit sex is available under the guise of therapeutic massage
 
mast
a vertical spar for supporting sails
 
mast
any sturdy upright pole
 
mastaba
an ancient Egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof
 
master bedroom
the principal bedroom in a house; usually occupied by the head of the household
 
master
an original creation (i.e., an audio recording) from which copies can be made
 
master
key that secures entrance everywhere
 
masthead
the head or top of a mast
 
mat
a thick flat pad used as a floor covering
 
mat
a small pad of material that is used to protect surface from an object placed on it
 
mat
mounting consisting of a border or background for a picture
 
mat
a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete
 
match
a burning piece of wood or cardboard
 
match plane
a plane having cutters designed to make the tongues and grooves on the edges of matchboards
 
match
an exact duplicate
 
matchboard
a board that has a groove cut into one edge and a tongue cut into the other so they fit tightly together (as in a floor)
 
matchbook
a small folder of paper safety matches
 
matchbox
a box for holding matches
 
matchlock
an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge
 
matchstick
a short thin stick of wood used in making matches
 
material
things needed for doing or making something
 
maternity hospital
a hospital that provides care for women during pregnancy and childbirth and for newborn infants
 
maternity ward
a hospital ward that provides care for women during pregnancy and childbirth and for newborn infants
 
matrix
mold used in the production of phonograph records, type, or other relief surface
 
Matthew Walker knot
a kind of stopper knot
 
matting
a covering of coarse fabric (usually of straw or hemp)
 
mattock
a kind of pick that is used for digging; has a flat blade set at right angles to the handle
 
mattress
a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed
 
mattress cover
bedclothes that provide a cover for a mattress
 
mattress pad
a protective pad over a mattress to protect it
 
maul
a heavy long-handled hammer used to drive stakes or wedges
 
Mauser
trademark for a repeating rifle or pistol
 
mausoleum
a large burial chamber, usually above ground
 
Mausoleum at Halicarnasus
a white marble mausoleum 140 feet high built in 352 BC at Halicarnassus as a memorial to a king; destroyed in 1402
 
Mavik
an ACE inhibiting drug (trade name Mavik) used in some patients after a heart attack or to treat hypertension
 
maxi
a long skirt ending below the calf
 
Maxim gun
an obsolete water-cooled machine gun having a single barrel
 
maximum and minimum thermometer
thermometer that records the highest and lowest temperatures reached during a period of time
 
Maxzide
trade name for an antihypertensive drug containing hydrochlorothiazide and another diuretic
 
Mayflower
the ship in which the Pilgrim Fathers sailed from England to Massachusetts in 1620
 
maypole
a vertical pole or post decorated with streamers that can be held by dancers celebrating May Day
 
mazer
a large hardwood drinking bowl
 
MDMA
a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States
 
means
an instrumentality for accomplishing some end
 
measure
a container of some standard capacity that is used to obtain fixed amounts of a substance
 
measure
measuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements
 
measuring cup
graduated cup used to measure liquid or granular ingredients
 
measuring device
instrument that shows the extent or amount or quantity or degree of something
 
meat counter
counter where meats are displayed for sale
 
meat grinder
a mill for grinding meat
 
meat hook
a strong pointed hook from which the carcasses of animals are hung
 
meat house
a small house (on a farm) where meat is stored
 
meat house
a small house where smoke is used to cure meat or fish
 
meat safe
a safe for storing meat
 
meat thermometer
a thermometer that is inserted into the center of a roast (with the top away from the heat source); used to measure how well done the meat is
 
Mebaral
a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy
 
mebendazole
an anthelmintic used to treat hookworm and pinworm and roundworm infestations
 
Meccano set
a child's construction set for making mechanical models
 
mechanical device
mechanism consisting of a device that works on mechanical principles
 
mechanical drawing
scale drawing of a machine or architectural plan etc,
 
mechanical press
any machine that exerts pressure to form or shape or cut materials or extract liquids or compress solids
 
mechanical system
a system of elements that interact on mechanical principles
 
mechanism
device consisting of a piece of machinery; has moving parts that perform some function
 
Mecholyl
parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity
 
Meclomen
a nonsteroidal anti-inflammatory (trade name Meclomen) used to treat arthritis
 
medical instrument
instrument used in the practice of medicine
 
medicament
(medicine) something that treats or prevents or alleviates the symptoms of disease
 
medicine ball
heavy ball used in physical training
 
medicine cabinet
cabinet that holds medicines and toiletries
 
MEDLINE
the computer-based telephone system of the United States National Library of Medicine that provides rapid linkage to MEDLARS
 
meerschaum
a pipe having a bowl made of meerschaum
 
Mefoxin
one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity
 
megalith
memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
 
megaphone
a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
 
megaton bomb
a nuclear weapon with an explosive power equivalent to one million tons of TNT
 
Mellaril
a tranquilizer (trade name Mellaril) used to treat schizophrenia and other psychotic disorders
 
membrane
a thin pliable sheet of material
 
memorial
a structure erected to commemorate persons or events
 
memory chip
a RAM microchip that can be plugged into a computer to provide additional memory
 
memory device
a device that preserves information for retrieval
 
men's
a public toilet for men
 
menagerie
the facility where wild animals are housed for exhibition
 
mending
garments that must be repaired
 
menhir
a tall upright megalith; found primarily in England and northern France
 
meniscus
(physics) the curved upper surface of a nonturbulent liquid in a vertical tube
 
meniscus
(optics) a lens that is concave on one side and convex on the other
 
menorah
(Judaism) a candelabrum with nine branches; used during the Hanukkah festival
 
Menorah
(Judaism) a candelabrum with seven branches used in ceremonies to symbolize the seven days of Creation
 
menthol
a lotion containing menthol which gives it the smell of mint
 
mentholated salve
a salve containing menthol
 
Mephaquine
an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people
 
mercantile establishment
a place of business for retailing goods
 
Mercator's projection
a map projection of the earth onto a cylinder; areas appear greater the farther they are from the equator
 
merchandise
commodities offered for sale
 
mercurial ointment
an ointment containing mercury
 
Mercurochrome
a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark
 
mercury barometer
barometer that shows pressure by the height of a column of mercury
 
mercury cell
a primary cell consisting of a zinc anode and a cathode of mercury oxide and an electrolyte of potassium hydroxide
 
mercury thermometer
thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube
 
mercury-vapor lamp
ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
 
mercy seat
the golden covering of the ark of the covenant
 
mercy seat
the throne of God
 
merlon
a solid section between two crenels in a crenelated battlement
 
Merrimac
an ironclad vessel built by the Confederate forces in the hope of breaking the blockade imposed by the North
 
Merthiolate
a light-colored crystalline powder (trade name Merthiolate) used as a surgical antiseptic
 
Mesantoin
a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective
 
mescaline
the hallucinatory alkaloid that is the active agent in mescal buttons
 
mesh
an open fabric of string or rope or wire woven together at regular intervals
 
mess jacket
waist-length jacket tapering to a point at the back; worn by officers in the mess for formal dinners
 
mess kit
kit containing a metal dish and eating utensils; used by soldiers and campers
 
mess
a (large) military dining room where service personnel eat or relax
 
messuage
(law) a dwelling house and its adjacent buildings and the adjacent land used by the household
 
metal detector
detector that gives a signal when it detects the presence of metal; used to detect the presence of stray bits of metal in food products or to find buried metal
 
metal plating
a thin coating of metal deposited on a surface
 
metal screw
screw made of metal
 
metal wood
golf wood with a metal head instead of the traditional wooden head
 
metallic
a yarn made partly or entirely of metal
 
metallic
a fabric made of a yarn that is partly or entirely of metal
 
metalware
household articles made of metal (especially for use at table)
 
metalwork
the metal parts of something
 
meteorological balloon
a small unmanned balloon set aloft to observe atmospheric conditions
 
meteorological satellite
a satellite that transmits frequent picture of the earth below
 
meter
any of various measuring instruments for measuring a quantity
 
meterstick
a rule one meter long (usually marked off in centimeters and millimeters)
 
methapyrilene
antihistamine used to treat allergic responses (as rhinitis or dermatitis or pruritus)
 
Methedrine
an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
 
methicillin
antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections
 
Metrazol
a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark
 
metro
an electric railway operating below the surface of the ground (usually in a city)
 
metronome
clicking pendulum indicates the exact tempo of a piece of music
 
Metycaine
a compound used in the form of its hydrochloride as a local or spinal anesthetic
 
Mevacor
an oral drug (trade name Mevacor) to reduce blood cholesterol levels; used when dietary changes have proved inadequate
 
mews
street lined with buildings that were originally private stables but have been remodeled as dwellings
 
Mexican green
a particularly potent variety of marijuana
 
Mexican valium
street names for flunitrazepan
 
Mexitil
antiarrhythmic drug (trade name Mexitil) used to treat ventricular arrhythmias
 
mezzotint
print produced by an engraving that has been scraped to represent light or shade
 
mic
device for converting sound waves into electrical energy
 
Mickey Finn
slang term for knockout drops
 
microbalance
balance for weighing very small objects
 
microbrewery
a small brewery; consumption of the product is mainly elsewhere
 
microdot
photograph reduced to the size of a dot (usually for purposes of security)
 
microfiche
small sheet of microfilm on which many pages of material have been photographed; a magnification system is used to read the material
 
microfilm
film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
 
micrometer
caliper for measuring small distances
 
Micronase
an oral antidiabetic drug (trade names DiaBeta and Micronase) that stimulates the release of insulin from the pancreas
 
Micronor
trade name for and oral contraceptive containing the progestin compound norethindrone
 
microphotometer
special kind of densitometer that measures density variations over a very small area
 
microprocessor
integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system
 
microscope
magnifier of the image of small objects
 
microscope slide
a small flat rectangular piece of glass on which specimens can be mounted for microscopic study
 
microscope stage
a small platform on a microscope where the specimen is mounted for examination
 
microtome
scientific instrument that cuts thin slices of something for microscopic examination
 
microwave diathermy machine
diathermy machine that uses microwave radiation as the source of heat
 
microwave linear accelerator
linear accelerator that uses microwaves
 
microwave radar
measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
 
microwave
kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food
 
middling
any commodity of intermediate quality or size (especially when coarse particles of ground wheat are mixed with bran)
 
middy
blouse with a sailor collar
 
midiron
long iron with a nearly vertical face
 
mihrab
(Islam) a niche in the wall of a mosque that indicates the direction of Mecca
 
mihrab
(Islam) a design in the shape of niche in a Muslim prayer rug; during worship the niche must be pointed toward Mecca
 
military hospital
hospital for soldiers and other military personnel
 
military installation
any facility servicing military forces
 
military plane
an aircraft designed and used for combat
 
military post
military installation at which a body of troops is stationed
 
military quarters
living quarters for personnel on a military post
 
military uniform
prescribed identifying uniform for soldiers
 
military vehicle
vehicle used by the armed forces
 
milk bar
snack bar that sells milk drinks and light refreshments (such as ice cream)
 
milk can
large can for transporting milk
 
milk float
a van (typically powered by electricity) with an open side that is used to deliver milk to houses
 
milk of magnesia
purgative consisting of a milky white liquid suspension of magnesium hydroxide; used as a laxative and (in smaller doses) as an antacid
 
milk wagon
wagon for delivering milk
 
milking machine
machine consisting of a suction apparatus for milking cows mechanically
 
milking stool
low three-legged stool with a half round seat; used to sit on while milking a cow
 
mill wheel
water wheel that is used to drive machinery in a mill
 
milldam
dam to make a millpond to provide power for a water mill
 
miller
machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
 
milliammeter
a sensitive ammeter graduated in milliamperes
 
millinery
hats for women; the wares sold by a milliner
 
milling
corrugated edge of a coin
 
millivoltmeter
sensitive voltmeter that can measure voltage in millivolts
 
millrace
a channel for the water current that turns a millwheel
 
millstone
one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain
 
millstone
any load that is difficult to carry
 
millwork
woodwork that has been machined at a mill
 
Milontin
anticonvulsant (trade name Milontin) used to treat petit mal
 
minaret
slender tower with balconies
 
Minato Ohashi Bridge
cantilever bridge at Osaka, Japan
 
mincer
a kitchen utensil that cuts or chops food (especially meat) into small pieces
 
mine
explosive device that explodes on contact; designed to destroy vehicles or ships or to kill or maim personnel
 
mine
excavation in the earth from which ores and minerals are extracted
 
mine detector
detector consisting of an electromagnetic device; used to locate explosive mines
 
minelayer
ship equipped for laying marine mines
 
mineshaft
excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
 
minesweeper
ship equipped to detect and then destroy or neutralize or remove marine mines
 
mini
a very short skirt
 
miniature
a copy that reproduces a person or thing in greatly reduced size
 
minibike
small motorcycle with a low frame and small wheels and elevated handlebars
 
minibus
a light bus (4 to 10 passengers)
 
minicab
a minicar used as a taxicab
 
minicar
a car that is even smaller than a subcompact car
 
minicomputer
a digital computer of medium size
 
Minipress
antihypertensive drug (trade name Minipress)
 
ministry
building where the business of a government ministry is transacted
 
minisub
submersible vessel for one or two persons; for naval operations or underwater exploration
 
minivan
a small box-shaped passenger van; usually has removable seats; used as a family car
 
miniver
trimming on ceremonial robes consisting of white or light grey fur
 
mink
fur coat made from the soft lustrous fur of minks
 
Minocin
tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections
 
minor suit
( bridge) a suit of inferior scoring value, either diamonds or clubs
 
minster
any of certain cathedrals and large churches; originally connected to a monastery
 
mint
a plant where money is coined by authority of the government
 
minute gun
(military) gun that is discharged once every minute (usually as part of a military funeral)
 
Minuteman
a strategic weapon system using a guided missile of intercontinental range; missiles are equipped with nuclear warheads and dispersed in hardened silos
 
miotic
a drug that causes miosis (constriction of the pupil of the eye)
 
mirror
polished surface that forms images by reflecting light
 
mise en scene
arrangement of scenery and properties to represent the place where a play or movie is enacted
 
missile
a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control
 
missile defence system
naval weaponry providing a defense system
 
missile
a weapon that is forcibly thrown or projected at a targets but is not self-propelled
 
miter box
hand tool for guiding handsaws in making crosscuts or miter joints
 
miter
joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner
 
miter
a liturgical headdress worn by bishops on formal occasions
 
miter
the surface of a beveled end of a piece where a miter joint is made
 
Mithracin
an antineoplastic drug (trade name Mithracin) used to treat cancer of the testes
 
mitten
glove that encases the thumb separately and the other four fingers together
 
mixer
a kitchen utensil that is used for mixing foods
 
mixer
electronic equipment that mixes two or more input signals to give a single output signal
 
mixing bowl
bowl used with an electric mixer
 
mixing faucet
single faucet for separate hot and cold water pipes
 
mizen
third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy
 
mizen
fore-and-aft sail set on the mizzenmast
 
Moban
antipsychotic drug (trade name Moban) used in the treatment of schizophrenia
 
mobcap
large high frilly cap with a full crown; formerly worn indoors by women
 
mobile
sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents
 
Mobius strip
a continuous closed surface with only one side; formed from a rectangular strip by rotating one end 180 degrees and joining it with the other end
 
mocassin
soft leather shoe; originally worn by Native Americans
 
mock-up
full-scale working model of something built for study or testing or display
 
mod con
modern convenience; the appliances and conveniences characteristic of a modern house
 
Model T
the first widely available automobile powered by a gasoline engine; mass-produced by Henry Ford from 1908 to 1927
 
model
representation of something (sometimes on a smaller scale)
 
modem
(from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line
 
modernism
genre of art and literature that makes a self-conscious break with previous genres
 
Modicon
trade name for an oral contraceptive containing estradiol and norethindrone
 
modification
slightly modified copy; not an exact copy
 
modillion
(architecture) one of a set of ornamental brackets under a cornice
 
module
a self-contained component (unit or item) that is used in combination with other components
 
module
computer circuit consisting of an assembly of electronic components (as of computer hardware)
 
module
detachable compartment of a spacecraft
 
mohair
fabric made with yarn made from the silky hair of the Angora goat
 
moire
silk fabric with a wavy surface pattern
 
moldboard plow
plow that has a moldboard
 
moldboard
wedge formed by the curved part of a steel plow blade that turns the furrow
 
molding
a decorative strip used for ornamentation or finishing
 
moleskin
a durable cotton fabric with a velvety nap
 
Molotov cocktail
a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick
 
monastery
the residence of a religious community
 
monastic habit
a long loose habit worn by monks in a monastery
 
money belt
belt with a concealed section for holding money
 
moneybag
a drawstring bag for holding money
 
Monistat
an antifungal agent usually administered in the form of a nitrate (trade name Monistat)
 
monitor
a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
 
monitor
electronic equipment that is used to check the quality or content of electronic transmissions
 
Monitor
an ironclad vessel built by Federal forces to do battle with the Merrimac
 
monitor
display produced by a device that takes signals and displays them on a television screen or a computer monitor
 
monk's cloth
a heavy cloth in basket weave
 
monkey bridge
a high narrow platform above a deck or in an engine room or boiler room
 
monkey ladder
a light ladder to the monkey bridge on a ship
 
monkey wrench
adjustable wrench that has one fixed and one adjustable jaw
 
monochrome
painting done in a range of tones of a single color
 
monocycle
a vehicle with a single wheel that is driven by pedals
 
monofocal IOL
a lens with a single focus that is used after cataract surgery to provide clear distance vision
 
monolith
a single great stone (often in the form of a column or obelisk)
 
monoplane
an airplane with a single wing
 
monopoly board
a board used for playing monopoly
 
monorail
a railway having a single track
 
monotype
a typesetting machine operated from a keyboard that sets separate characters
 
monotype
the sole print made by pressing paper against a painted or inked glass or metal plate
 
monstrance
(Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration
 
monument
a burial vault (usually for some famous person)
 
mooring anchor
an anchor used to hold a mooring buoy or a channel marker in place
 
mooring mast
a tower for mooring airships
 
mooring
(nautical) a line that holds an object (especially a boat) in place
 
Moorish arch
a round arch that widens before rounding off
 
mop handle
the handle of a mop
 
mop
cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
 
moped
a motorbike that can be pedaled or driven by a low-powered gasoline engine
 
moquette
a thick velvety synthetic fabric used for carpets and soft upholstery
 
moreen
a heavy fabric of wool (or wool and cotton) used mostly in upholstery or for curtains
 
Mormon Tabernacle
the Mormon temple
 
morning coat
a man's full-dress jacket with two long tapering tails at the back
 
morning dress
a woman's informal dress for housework
 
morning dress
formal attire for men during the daytime
 
morning room
a sitting room used during the daylight hours
 
morning-after pill
a large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest
 
morphia
an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain
 
Morris chair
an armchair with an adjustable back
 
mortar
a bowl-shaped vessel in which substances can be ground and mixed with a pestle
 
mortarboard
an academic cap with a flat square with a tassel on top
 
mortice
a square hole made to receive a tenon and so to form a joint
 
mortise joint
a joint made by inserting tenon on one piece into mortise holes in the other
 
mosaic
art consisting of a design made of small pieces of colored stone or glass
 
mosaic
transducer formed by the light-sensitive surface on a television camera tube
 
mosque
(Islam) a Muslim place of worship that usually has a minaret
 
mosquito net
a fine net or screen (especially around beds) to protect against mosquitos
 
motel
a motor hotel
 
motel room
a sleeping room in a motel
 
Mother Hubbard
a woman's loose unbelted dress
 
motif
a design or figure that consists of recurring shapes or colors, as in architecture or decoration
 
motley
a multicolored woolen fabric woven of mixed threads in 14th to 17th century England
 
motley
a garment made of motley (especially a court jester's costume)
 
motor
machine that converts other forms of energy into mechanical energy and so imparts motion
 
motor mower
a lawn mower powered by a gasoline motor
 
motor scooter
a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel
 
motorboat
a boat propelled by an internal-combustion engine
 
motorized wheelchair
a wheelchair propelled by a motor
 
motortruck
an automotive vehicle suitable for hauling
 
Motrin
a nonsteroidal anti-inflammatory and analgesic medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an antipyretic
 
mount
a mounting consisting of a piece of metal (as in a ring or other jewelry) that holds a gem in place
 
mountain tent
a lightweight tent with a floor; flaps close with a zipper
 
mountain trail
a trail through mountainous country
 
mounting
framework used for support or display
 
mourning band
a black band worn by a man (on the arm or hat) as a sign of mourning
 
mourning ring
a ring worn as a memorial to a dead person
 
mouse button
a push button on the mouse
 
mouse mat
a small portable pad that provides traction for the ball of a computer mouse
 
mouse-tooth forceps
a type of forceps
 
mousetrap
a trap for catching mice
 
mousseline de sole
a gauze-like fabric of silk or rayon
 
moustache cup
a drinking cup with a bar inside the rim to keep a man's mustache out of the drink
 
mouth
the opening of a jar or bottle
 
mouth hole
a hole (as in a ski mask) for the mouth
 
mouthpiece
a part that goes over or into the mouth of a person
 
mouthpiece
the tube of a pipe or cigarette holder that a smoker holds in the mouth
 
mouthpiece
an acoustic device; the part of a telephone into which a person speaks
 
movable barrier
a barrier that can be moved to allow passage
 
movement
the driving and regulating parts of a mechanism (as of a watch or clock)
 
moving van
a van used for moving home or office furniture
 
moving-coil galvanometer
a galvanometer that is operated by the force exerted by an electric current flowing in a movable coil suspended in a magnetic field
 
mud brick
a brick made from baked mud
 
mudguard
a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels
 
mudhif
a reed hut in the marshlands of Iraq; rare since the marshes were drained
 
muff
a warm tubular covering for the hands
 
muffle
a kiln with an inner chamber for firing things at a low temperature
 
muffler
a scarf worn around the neck
 
muffler
a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
 
mufti
civilian dress worn by a person who is entitled to wear a military uniform
 
mug
with handle and usually cylindrical
 
mug shot
a photograph of someone's face (especially one made for police records)
 
mukataa
an Arabic word for headquarters or administrative center
 
mulch
a protective covering of rotting vegetable matter spread to reduce evaporation and soil erosion
 
mule
a slipper that has no fitting around the heel
 
muller
a vessel in which wine is mulled
 
muller
a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
 
mullion
a nonstructural vertical strip between the casements or panes of a window (or the panels of a screen)
 
multichannel recorder
a recorder with two or more channels; makes continuous records of two or more signals simultaneously
 
multiengine airplane
a plane with two or more engines
 
multifocal IOL
a type of lens implant that contains several rings with a common center and adjusts for near or far vision; the eye is in focus for near and far vision simultaneously
 
multiplex
a movie theater than has several different auditoriums in the same building
 
multiplexer
a device that can interleave two or more activities
 
multiprocessor
a computer that uses two or more processing units under integrated control
 
multistage rocket
a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
 
munition
military supplies
 
mural
a painting that is applied to a wall surface
 
Murphy bed
a bed that can be folded or swung into a cabinet when not being used
 
muscle relaxant
a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions
 
musette pipe
a small simple oboe
 
musette
a small bagpipe formerly popular in France
 
museum
a depository for collecting and displaying objects having scientific or historical or artistic value
 
mushroom anchor
an anchor used for semipermanent moorings; has a bowl-shaped head that will dig in however it falls
 
music box
produces music by means of pins on a revolving cylinder that strike the tuned teeth of a comb-like metal plate
 
music hall
a theater in which vaudeville is staged
 
music rack
a light stand for holding sheets of printed music
 
music school
a school specializing in music
 
music stool
a stool for piano players; usually adjustable in height
 
musket
a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen
 
muslin
plain-woven cotton fabric
 
musnud
a seat with a cushion that is used as a throne by Indian princes
 
mustard plaster
a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient
 
Mutamycin
a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug
 
mute
a device used to soften the tone of a musical instrument
 
muzzle
a leather or wire restraint that fits over an animal's snout (especially a dog's nose and jaws) and prevents it from eating or biting
 
muzzle loader
an obsolete firearm that was loaded through the muzzle
 
mycomycin
a highly unsaturated antibiotic acid obtained from an actinomycete
 
Mycostatin
an antifungal and antibiotic (trade names Mycostatin and Nystan) discovered in New York State; derived from soil fungi actinomycetes
 
mydriatic
a drug that causes the pupil of the eye to dilate; used to aid eye examinations
 
myelogram
X-ray film of the spinal cord and spinal nerve roots and subarachnoid space
 
Mysoline
an anticonvulsant (trade name Mysoline) used to treat grand mal seizures and essential tremor
 
mystification
something designed to mystify or bewilder
 
n-type semiconductor
a semiconductor in which electrical conduction is due chiefly to the movement of electrons
 
nacelle
a streamlined enclosure for an aircraft engine
 
Nafcil
a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci
 
nail
a thin pointed piece of metal that is hammered into materials as a fastener
 
nail enamel
a cosmetic lacquer that dries quickly and that is applied to the nails to color them or make them shiny
 
nail hole
a hole left after a nail is removed
 
nailbrush
a brush used to clean a person's fingernails
 
nailfile
a small flat file for shaping the nails
 
nailhead
flattened boss on the end of nail opposite to the point
 
nailhead
something resembling the head of a nail that is used as an ornamental device
 
nainsook
a soft lightweight muslin used especially for babies
 
naive art
a genre of art and outdoor constructions made by untrained artists who do not recognize themselves as artists
 
Nalfon
a nonsteroidal anti-inflammatory drug (trade name Nalfon) used in the treatment of arthritis and other painful inflammatory disorders
 
Nalline
a narcotic antagonist (trade name Nalline) that counteracts the effects of narcotics (especially the effects of poisoning by morphine)
 
naltrexone
an oral antagonist against the action of opiates
 
nameplate
a plate bearing a name
 
nammad
an embroidered rug made from a coarse Indian felt
 
NAND circuit
a logic gate that produces an output that is the inverse of the output of an AND gate
 
nankeen
a durable fabric formerly loomed by hand in China from natural cotton having a yellowish color
 
nap
the yarn (as in a rug or velvet or corduroy) that stands up from the weave
 
napery
linens for the dining table
 
Napier's bones
a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
 
napkin ring
a circular band used to hold a particular person's napkin
 
napkin
a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
 
Naprosyn
a nonsteroidal anti-inflammatory drug (trade name Naprosyn) used in the treatment of arthritis and musculoskeletal inflammation and moderate pain
 
Naqua
diuretic drug (trade name Naqua) used to treat hypertension
 
Narcan
a potent narcotic antagonist (trade name Narcan) especially effective with morphine
 
narcoleptic
a soporific drug that produces an uncontrollable desire to sleep
 
narcotic
a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction
 
narcotic antagonist
an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)
 
nard
an aromatic ointment used in antiquity
 
Nardil
monoamine oxidase inhibitor (trade name Nardil) used to treat clinical depression
 
narrow gauge
a railroad track (or its width) narrower than the standard 56.5 inches
 
narrow wale
corduroy with narrow ribs
 
narrow-body
a commercial airliner with a single aisle
 
narthex
a vestibule leading to the nave of a church
 
narthex
portico at the west end of an early Christian basilica or church
 
nasal decongestant
a decongestant that provides temporary relief of nasal symptoms of the common cold and rhinitis and upper respiratory infections
 
nasotracheal tube
a tube inserted into the trachea through the nose and pharynx; used to deliver oxygen
 
natatorium
pool that provides a facility for swimming
 
National Association of Securities Dealers Automated Quotations
a computerized data system to provide brokers with price quotations for securities traded over the counter
 
National Baseball Hall of Fame
a Hall of Fame and museum in Cooperstown, New York, honoring great baseball players
 
national monument
memorial consisting of a structure or natural landmark of historic interest; set aside by national government for preservation and public enjoyment
 
naumachia
a naval spectacle; a mock sea battle put on by the ancient Romans
 
nautilus
a submarine that is propelled by nuclear power
 
naval chart
a chart for a navigator showing the prevailing meteorological and hydrographic and navigational conditions
 
naval equipment
equipment for a navy
 
naval gun
naval weaponry consisting of a large gun carried on a warship
 
naval installation
military installation servicing naval forces
 
naval missile
naval weaponry consisting of a missile carried on a warship
 
naval radar
naval equipment consisting of a shipboard radar
 
Naval Research Laboratory
the United States Navy's defense laboratory that conducts basic and applied research for the Navy in a variety of scientific and technical disciplines
 
naval shipyard
a military shipyard
 
naval tactical data system
a shipboard system for collecting and displaying tactical data
 
naval weaponry
weaponry for warships
 
Navane
a tranquilizer (trade name Navane) used to treat schizophrenia
 
nave
the central area of a church
 
navigation light
light on an airplane that indicates the plane's position and orientation; red light on the left (port) wing tip and green light on the right (starboard) wing tip
 
navigational instrument
an instrument used for navigating
 
navigational system
a system that provides information useful in determining the position and course of a ship or aircraft
 
navy base
base of operations for a naval fleet
 
nearside
the side of a vehicle nearest the kerb
 
Nebcin
an antibiotic (trade name Nebcin) that is especially effective against Gram-negative bacteria
 
nebuchadnezzar
a very large wine bottle holding the equivalent of 20 normal bottles of wine; used especially for display
 
neck
a narrow part of an artifact that resembles a neck in position or form
 
neck brace
a brace worn to steady the neck
 
neck
an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck
 
neckband
a band around the collar of a garment
 
neckcloth
an ornamental white cravat
 
neckerchief
a kerchief worn around the neck
 
necklace
jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)
 
necklet
decoration worn about the neck (fur piece or tight necklace) as an ornament
 
neckline
the line formed by the edge of a garment around the neck
 
neckpiece
an article of apparel worn about the neck
 
necktie
neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front
 
neckwear
articles of clothing worn about the neck
 
needle
a sharp pointed implement (usually steel)
 
needle
a slender pointer for indicating the reading on the scale of a measuring instrument
 
needle
a stylus that formerly made sound by following a groove in a phonograph record
 
needlecraft
a creation created or assembled by needle and thread
 
needlenose pliers
small pliers with long thin jaws for fine work
 
needlepoint
embroidery consisting of allover embroidered canvas resembling tapestry
 
needlepoint
lace worked with a needle in a buttonhole stitch on a paper pattern
 
negative
a piece of photographic film showing an image with light and shade or colors reversed
 
negative magnetic pole
the pole of a magnet that points toward the south when the magnet is suspended freely
 
negative pole
the terminal of a battery that is connected to the negative plate
 
NegGram
antibacterial agent used especially to treat genitourinary infections
 
Nembutal
a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic
 
Neobiotic
an antibiotic obtained from an actinomycete and used (as a sulphate under the trade name Neobiotic) as an intestinal antiseptic in surgery
 
neolith
a stone tool from the Neolithic Age
 
neon induction lamp
a lamp consisting of a small gas-discharge tube containing neon at low pressure; luminescence is produced by the action of currents at high frequencies that are wrapped a few turns around the tube
 
Neosporin
trade name for a topical drug containing several antibacterials; used as an ointment for skin irritations and in the form of eyedrops for minor eye infections
 
nephoscope
a measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds
 
nest
a kind of gun emplacement
 
nest
furniture pieces made to fit close together
 
nest egg
device consisting of an artificial egg left in a nest to induce hens to lay their eggs in it
 
net
a trap made of netting to catch fish or birds or insects
 
net
game equipment consisting of a strip of netting dividing the playing area in tennis or badminton
 
net
a goal lined with netting (as in soccer or hockey)
 
network
(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs
 
network
a system of intersecting lines or channels
 
Neurontin
an anticonvulsant (trade name Neurontin) used to control some types of seizures in the treatment of epilepsy; also used to manage neuralgia caused by shingles
 
neutron bomb
atom bomb that produces lethal neutrons with less blast
 
New River Gorge Bridge
a steel arch bridge across New River at Fayetteville, West Virginia
 
New York Stock Exchange
a stock exchange in New York
 
newel
the central pillar of a circular staircase
 
newel
the post at the top or bottom of a flight of stairs; it supports the handrail
 
Newgate
a former prison in London notorious for its unsanitary conditions and burnt down in riots in 1780; a new prison was built on the same spot but was torn down in 1902
 
newmarket
a long close-fitting coat worn for riding in the 19th century
 
newspaper
the physical object that is the product of a newspaper publisher
 
newsroom
a reading room (in a library or club) where newspapers and other periodicals can be read
 
newsroom
an office in which news is processed by a newspaper or news agency or television or radio station
 
newsstand
a stall where newspapers and other periodicals are sold
 
Newtonian telescope
reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
 
nib
the writing point of a pen
 
niblick
an iron with considerable loft
 
nicad
a rechargeable battery with a nickel cathode and a cadmium anode; often used in emergency systems because of its low discharge rate when not in use
 
niche
an enclosure that is set back or indented
 
nick
(British slang) a prison
 
nickel-iron accumulator
a storage battery having a nickel oxide cathode and an iron anode with an electrolyte of potassium hydroxide; each cell gives about 1.2 volts
 
Nicol prism
optical device that produces plane-polarized light
 
night bell
a doorbell to be used at night
 
night latch
doorlock operated by a knob on the inside and a key on the outside
 
night-light
light (as a candle or small bulb) that burns in a bedroom at night (as for children or invalids)
 
night-line
a fishing line with baited hooks left in the water to catch fish over night
 
nightcap
a cloth cap worn in bed
 
nightclothes
garments designed to be worn in bed
 
nightshirt
nightclothes worn by men
 
nine
one of four playing cards in a deck with nine pips on the face
 
ninepin ball
ball used to knock down ninepins
 
ninepin
a bowling pin of the type used in playing ninepins or (in England) skittles
 
ninon
a fine strong sheer silky fabric made of silk or rayon or nylon
 
nipple
a flexible cap on a baby's feeding bottle or pacifier
 
nipple shield
a rubber or plastic shield to protect the nipples of nursing women
 
niqab
a face veil covering the lower part of the face (up to the eyes) worn by observant Muslim women
 
nitrazepam
a hypnotic and sedative drug of the benzodiazepine type
 
Nitrostat
trade names for nitroglycerin used as a coronary vasodilator in the treatment of angina pectoris
 
NNRTI
an antiviral drug used against HIV; binds directly to reverse transcriptase and prevents RNA conversion to DNA; often used in combination with other drugs
 
nog
a wooden block built into a masonry wall so that joinery structure can be nailed to it
 
nog
a wooden pin pushed or driven into a surface
 
nogging
rough brick masonry used to fill in the gaps in a wooden frame
 
noisemaker
a device (such as a clapper or bell or horn) used to make a loud noise at a celebration
 
nomogram
a graphic representation of numerical relations
 
non-dedicated file server
(computer science) a file server that can be used simultaneously as a workstation
 
nondirectional antenna
an antenna that sends or receives signals equally in all directions
 
nonsmoker
a passenger car for passengers who want to avoid tobacco smoke
 
nontricyclic
a class of antidepressant drugs that are not tricyclic drugs and do not act by inhibiting MAO
 
nonvolatile storage
computer storage that is not lost when the power is turned off
 
noose
a loop formed in a cord or rope by means of a slipknot; it binds tighter as the cord or rope is pulled
 
Nor-Q-D
trade name for an oral contraceptive containing norethindrone
 
Norflex
a skeletal muscle relaxant (trade name Norflex) used to treat severe muscle strain and Parkinsonism
 
Norfolk jacket
loose-fitting single-breasted jacket
 
Norfolk wherry
sailing barge used especially in East Anglia
 
noria
a water wheel with buckets attached to the rim; used to raise water for transfer to an irrigation channel
 
Norinyl
trade name for an oral contraceptive containing norethindrone and mestranol
 
Norlestrin
trade name for an oral contraceptive containing estradiol and norethindrone
 
Normodyne
antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)
 
north-seeking pole
the pole of a magnet that points toward the north when the magnet is suspended freely
 
Norvasc
a vasodilator (trade name Norvasc) taken in tablet form; prescribed for hypertension and angina pectoris
 
Norvir
a protease inhibitor (trade name Norvir) used in treating HIV
 
nose
a front that resembles a human nose (especially the front of an aircraft)
 
nose
the front or forward projection of a tool or weapon
 
nose cone
front consisting of the conical head of a missile or rocket that protects the payload from heat during its passage through the atmosphere
 
nose flute
a flute that is played by blowing through the nostrils (used in some Asian countries)
 
nose ring
a ring worn on the nose as an ornament or on the nose of an animal to control it
 
nose
a projecting spout from which a fluid is discharged
 
noseband
a strap that is the part of a bridle that goes over the animal's nose
 
nosepiece
armor plate that protects the nose
 
nosewheel
a wheel located under the nose of an airplane that is part of the plane's landing gear
 
nostrum
patent medicine whose efficacy is questionable
 
notch
a V-shaped or U-shaped indentation carved or scratched into a surface
 
notebook
a small compact portable computer
 
notion
(usually plural) small personal articles or clothing or sewing items
 
notions counter
counter where notions are sold
 
novel
a printed and bound book that is an extended work of fiction
 
novillada
a bullfight in which the bulls are less than four years old
 
novobiocin
an antibiotic obtained from an actinomycete and used to treat infections by Gram-positive bacteria
 
Novocain
procaine administered as a hydrochloride (trade name Novocain)
 
NRTI
an antiviral drug used against HIV; is incorporated into the DNA of the virus and stops the building process; results in incomplete DNA that cannot create a new virus; often used in combination with other drugs
 
NSAID
an anti-inflammatory drug that does not contain steroids
 
nuclear reactor
(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
 
nuclear rocket
a rocket engine in which a nuclear reactor is used to heat a propellant
 
nuclear-powered ship
ship whose motive power comes from the energy of a nuclear reactor
 
nude
a painting of a naked human figure
 
nude
a statue of a naked human figure
 
number
an item of clothing
 
number cruncher
a computer capable of performing a large number of mathematical operations per second
 
nun's habit
a long loose habit worn by nuns in a convent
 
nunnery
the convent of a community of nuns
 
nut
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
 
nut and bolt
a fastener made by screwing a nut onto a threaded bolt
 
nutcracker
a compound lever used to crack nuts open
 
nux vomica
a medicine made from the seeds of an Asiatic tree; contains strychnine and brucine; formerly used as a stimulant
 
Nydrazid
antibacterial drug (trade name Nydrazid) used to treat tuberculosis
 
nylon
a synthetic fabric
 
nylon stocking
women's stockings made from a sheer material (nylon or rayon or silk)
 
O ring
a gasket consisting of a flat ring of rubber or plastic; used to seal a joint against high pressure
 
oar
an implement used to propel or steer a boat
 
oarlock
a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
 
oast
a kiln for drying hops
 
oast house
a building containing an oast (a kiln for drying hops); usually has a conical or pyramidal roof
 
obelisk
a stone pillar having a rectangular cross section tapering towards a pyramidal top
 
object ball
the billiard ball that is intended to be the first ball struck by the cue ball
 
object glass
the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
 
objectification
a concrete representation of an abstract idea or principle
 
oblique bandage
a bandage in which successive turns proceed obliquely up or down a limb
 
oboe d'amore
an oboe pitched a minor third lower than the ordinary oboe; used to perform baroque music
 
oboe da caccia
an alto oboe; precursor of the English horn
 
observation dome
lookout consisting of a dome-shaped observatory
 
observation station
a station set up for making observations of something
 
observatory
a building designed and equipped to observe astronomical phenomena
 
obstacle
an obstruction that stands in the way (and must be removed or surmounted or circumvented)
 
obturator
a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)
 
obverse
the side of a coin or medal bearing the principal stamp or design
 
ocarina
egg-shaped terra cotta wind instrument with a mouthpiece and finger holes
 
octant
a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration
 
odd-leg caliper
caliper having the points on its legs both curve in the same direction
 
oeil de boeuf
a circular or oval window; 17th or 18th century French architecture
 
office block
a building containing offices where work is done
 
office furniture
furniture intended for use in an office
 
officer's mess
a mess for the exclusive use of officers
 
offset
structure where a wall or building narrows abruptly
 
Ohio State University
a university in Columbus, Ohio
 
ohmmeter
a meter for measuring electrical resistance in ohms
 
oil burner
a furnace that burns oil
 
oil filter
a filter that removes impurities from the oil used to lubricate an internal-combustion engine
 
oil future
petroleum bought or sold at an agreed price for delivery at a specified future date
 
oil paint
paint in which a drying oil is the vehicle
 
oil painting
a picture painted with oil paints
 
oil pipeline
a pipeline used to transport oil
 
oil pump
a pump that keeps a supply of oil on moving parts
 
oil refinery
a refinery for petroleum
 
oil slick
a thin film of oil floating on top of water (especially crude oil spilled from a ship)
 
oil tanker
a cargo ship designed to carry crude oil in bulk
 
oil well
a well that yields or has yielded oil
 
oil
oil paint containing pigment that is used by an artist
 
oilcan
a can with a long nozzle to apply oil to machinery
 
oilcloth
cloth treated on one side with a drying oil or synthetic resin
 
oilskin
a macintosh made from cotton fabric treated with oil and pigment to make it waterproof
 
oilstone
a whetstone for use with oil
 
Old Ironsides
a United States 44-gun frigate that was one of the first three naval ships built by the United States; it won brilliant victories over British frigates during the War of 1812 and is without doubt the most famous ship in the history of the United States Navy; it has been rebuilt and is anchored in the Charlestown Navy Yard in Boston
 
old school tie
necktie indicating the school the wearer attended
 
OLED
a self-luminous diode (it glows when an electrical field is applied to the electrodes) that does not require backlighting or diffusers
 
olive drab
a cloth of an olive-brown color used for military uniforms
 
olive drab
military uniform of the United States Army; made from cloth of a dull olive color
 
Olympian Zeus
a seated statue of the supreme god of ancient Greek mythology created for the temple at Olympia; the statue was 40 feet tall and rested on a base that was 12 feet high
 
omelet pan
pan for cooking omelets
 
omnidirectional radio range
a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing
 
on/off switch
a hinged switch that can assume either of two positions
 
Oncovin
periwinkle plant derivative used as an antineoplastic drug (trade name Oncovin); used to treat cancer of the lymphatic system
 
one shot
a charge of ammunition for a single shot
 
one-armed bandit
a slot machine that is used for gambling
 
one-spot
a domino or die whose upward face shows one pip
 
one-way street
a street on which vehicular traffic is allowed to move in only one direction
 
onion dome
a dome that is shaped like a bulb; characteristic of Russian and Byzantine church architecture
 
op art
a style of abstractionism popular in the 1960s; produces dramatic visual effects with colors and contrasts that are difficult for the eye to resolve
 
open circuit
an incomplete electrical circuit in which no current flows
 
open sight
rear gunsight having an open notch instead of a peephole or telescope
 
open weave
a weave in which warp threads never come together, leaving interstices in the fabric
 
open-end wrench
a wrench having parallel jaws at fixed separation (often on both ends of the handle)
 
open-hearth furnace
a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it
 
opener
a hand tool used for opening sealed containers (bottles or cans)
 
opening
a vacant or unobstructed space that is man-made
 
openside plane
a woodworking plane designed to cut rabbets
 
openwork
ornamental work (such as embroidery or latticework) having a pattern of openings
 
opera cloak
a large cloak worn over evening clothes
 
opera
a building where musical dramas are performed
 
operating microscope
binocular microscope used in surgery to provide a clear view of small and inaccessible parts of the body (as in microsurgery)
 
operating table
table on which the patient lies during a surgical operation
 
ophthalmoscope
medical instrument for examining the retina of the eye
 
opiate
a narcotic drug that contains opium or an opium derivative
 
opium
an addictive narcotic extracted from seed capsules of the opium poppy
 
opium den
a building where opium is sold and used
 
optical bench
apparatus for observation and measurement of optical phenomena
 
optical device
a device for producing or controlling light
 
optical disc
a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
 
optical instrument
an instrument designed to aid vision
 
optical prism
optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
 
optical pyrometer
a pyrometer that uses the color of the light emitted by a hot object
 
optical telescope
an astronomical telescope designed to collect and record light from cosmic sources
 
OR
a room in a hospital equipped for the performance of surgical operations
 
OR circuit
a gate circuit in a computer that fires when any of its inputs fire
 
oracle
a shrine where an oracular god is consulted
 
Oracle of Apollo
(Greek mythology) the oracle at Delphi where a priestess supposedly delivered messages from Apollo to those who sought advice; the messages were usually obscure or ambiguous
 
orange grove
grove of orange trees
 
orb web
a circular spider web
 
orchestra
seating on the main floor in a theater
 
orchestra pit
lowered area in front of a stage where an orchestra accompanies the performers
 
order book
a book in which customers' orders are entered; usually makes multiple copies of the order
 
ordinary
(heraldry) any of several conventional figures used on shields
 
ordinary
an early bicycle with a very large front wheel and small back wheel
 
organ loft
a gallery occupied by a church organ
 
organ pipe
the flues and stops on a pipe organ
 
organ stop
a graduated set of organ pipes of like tone quality
 
organ
wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
 
organdie
a sheer stiff muslin
 
organza
a fabric made of silk or a silklike fabric that resembles organdy
 
oriel
a projecting bay window corbeled or cantilevered out from a wall
 
oriflamme
a red or orange-red flag used as a standard by early French kings
 
Orinase
sulfonylurea; an oral antidiabetic drug (trade name Orinase) used in the treatment of adult-onset diabetes mellitus
 
Orlon
an acrylic fiber or the lightweight crease-resistant fabric made with Orlon yarns
 
ornithopter
heavier-than-air craft that is propelled by the flapping of wings
 
orphanage
a public institution for the care of orphans
 
orphrey
a richly embroidered edging on an ecclesiastical vestment
 
orrery
planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
 
orthochromatic film
a photographic film sensitive to green and blue and violet light
 
orthoscope
an ophthalmoscope with a layer of water to neutralize the refraction of the cornea
 
Orudis KT
nonsteroidal anti-inflammatory drug (trade names Orudis or Orudis KT or Oruvail)
 
oscillator
generator that produces sonic oscillations or alternating current
 
oscillogram
the recording produced by an oscillograph
 
oscillograph
a device for making a record of the wave forms of fluctuating voltages or currents
 
Osmitrol
a diuretic (trade name Osmitrol) used to promote the excretion of urine
 
ossuary
any receptacle for the burial of human bones
 
OTC market
a stock exchange where securities transactions are made via telephone and computer rather than on the floor of an exchange
 
oubliette
a dungeon with the only entrance or exit being a trap door in the ceiling
 
Ouija board
a board with the alphabet on it; used with a planchette to spell out supernatural messages
 
out-basket
a wood or metal receptacle placed on your desk to hold your outgoing material
 
outboard
internal-combustion engine that mounts at stern of small boat
 
outboard
a motorboat with an outboard motor
 
outbuilding
a building that is subordinate to and separate from a main building
 
outer garment
a garment worn over other garments
 
outerwear
clothing for use outdoors
 
outfall
the outlet of a river or drain or other source of water
 
outfield
the area of a baseball playing field beyond the lines connecting the bases
 
outfitter
a shop that provides equipment for some specific purpose
 
outlet box
(electricity) receptacle consisting of the metal box designed for connections to a wiring system
 
outpost
a military post stationed at a distance from the main body of troops
 
output device
electronic or electromechanical equipment connected to a computer and used to transfer data out of the computer in the form of text, images, sounds, or other media
 
output
what is produced in a given time period
 
outrigger
a stabilizer for a canoe; spars attach to a shaped log or float parallel to the hull
 
outrigger canoe
a seagoing canoe (as in South Pacific) with an outrigger to prevent it from upsetting
 
outside caliper
caliper for measuring outside dimensions; points on its legs curve inward
 
outside clinch
a clinch with the end of the line outside the loop
 
outside mirror
car mirror that reflects the view at side and behind car
 
outsole
the outer sole of a shoe or boot that is the bottom of the shoe and makes contact with the ground
 
outwork
subsidiary defensive structure lying outside the main fortified area
 
Oval Office
the office of the President of the United States in the White House
 
oven
kitchen appliance used for baking or roasting
 
oven thermometer
a thermometer that registers the temperature inside an oven
 
ovenware
heat-resistant dishware in which food can be cooked as well as served
 
over-the-counter drug
a drug that is sold without a prescription
 
overall
(usually plural) work clothing consisting of denim trousers (usually with a bib and shoulder straps)
 
overburden
an excessive burden
 
overcast
a long whipstitch or overhand stitch overlying an edge to prevent raveling
 
overcoat
an additional protective coating (as of paint or varnish)
 
overdrive
a high gear used at high speeds to maintain the driving speed with less output power
 
overhand knot
a simple small knot (often used as part of other knots)
 
overhand stitch
a stitch passing over an edge vertically
 
overhang
projection that extends beyond or hangs over something else
 
overhead
(nautical) the top surface of an enclosed space on a ship
 
overhead projector
a projector operated by a speaker; projects the image over the speaker's head
 
overhead
a transparency for use with an overhead projector
 
overlay
a layer of decorative material (such as gold leaf or wood veneer) applied over a surface
 
overlay
protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior
 
overload
an electrical load that exceeds the available electrical power
 
overmantel
a shelf over a mantelpiece
 
overnight bag
a small traveling bag to carry clothing and accessories for staying overnight
 
overprint
something added by overprinting
 
override
a manually operated device to correct the operation of an automatic device
 
overshoe
footwear that protects your shoes from water or snow or cold
 
overskirt
an outer skirt worn over another skirt
 
Ovocon
trade name for an oral contraceptive containing estradiol and norethindrone
 
ovolo
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
 
Ovral
trade name for an oral contraceptive containing estradiol and norgestrel
 
Ovrette
trade name for an oral contraceptive containing norgestrel
 
Ovulen
trade name for an oral contraceptive containing mestranol and a progestin compound
 
oxacillin
a form of penicillin resistant to penicillinase and effective against penicillin-resistant staphylococci
 
oxbow
a wooden framework bent in the shape of a U; its upper ends are attached to the horizontal yoke and the loop goes around the neck of an ox
 
Oxbridge
general term for an ancient and prestigious and privileged university (especially Oxford University or Cambridge University)
 
oxcart
a cart that is drawn by an ox
 
oxeye
an oval or round dormer window
 
oxford
a low shoe laced over the instep
 
Oxford University
a university in England
 
oximeter
a measuring instrument that measures the oxygen in arterial blood
 
oxyacetylene torch
a blowtorch that burns oxyacetylene
 
oxygen mask
a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
 
oxytocic
a drug that induces labor by stimulating contractions of the muscles of the uterus
 
oyster bank
a workplace where oysters are bred and grown
 
oyster bar
a bar (as in a restaurant) that specializes in oysters prepared in different ways
 
p-n junction
the junction between a p-type semiconductor and an n-type semiconductor
 
p-n-p transistor
a junction transistor having an n-type semiconductor between a p-type semiconductor that serves as an emitter and a p-type semiconductor that serves as a collector
 
p-type semiconductor
a semiconductor in which electrical conduction is due chiefly to the movement of positive holes
 
P.A. system
an electronic amplification system used as a communication system in public areas
 
pace car
a high-performance car that leads a parade of competing cars through the pace lap and then pulls off the course
 
pachouli
a heavy perfume made from the patchouli plant
 
pacifier
anything that serves to pacify
 
pack
a convenient package or parcel (as of cigarettes or film)
 
pack
a bundle (especially one carried on the back)
 
pack
a sheet or blanket (either dry or wet) to wrap around the body for its therapeutic effect
 
package
a wrapped container
 
packaged goods
groceries that are packaged for sale
 
packaging
material used to make packages
 
packet
a small package or bundle
 
packing box
a large crate in which goods are packed for shipment or storage
 
packing box
a small chamber in which packing is compressed around a reciprocating shaft or piston to form a seal
 
packing needle
a large needle used to sew up canvas packages
 
packing nut
a nut used to tighten a stuffing box
 
packing plant
a plant where livestock are slaughtered and processed and packed as meat products
 
packinghouse
a building where foodstuffs are processed and packed
 
packsaddle
a saddle for pack animals to which loads can be attached
 
packthread
a strong three-ply twine used to sew or tie packages
 
pad
a flat mass of soft material used for protection, stuffing, or comfort
 
paddle
an instrument of punishment consisting of a flat board
 
paddle
a blade of a paddle wheel or water wheel
 
paddle
small wooden bat with a flat surface; used for hitting balls in various games
 
paddle box
a wooden covering for the upper part of a paddlewheel
 
paddle steamer
a steam vessel propelled by paddle wheels
 
paddle wheel
a large wheel fitted with paddles and driven by an engine in order to propel a boat
 
paddock
pen where racehorses are saddled and paraded before a race
 
padlock
a detachable lock; has a hinged shackle that can be passed through the staple of a hasp or the links in a chain and then snapped shut
 
page printer
a printer that prints one page at a time
 
pagoda
an Asian temple; usually a pyramidal tower with an upward curving roof
 
paillasse
mattress consisting of a thin pad filled with straw or sawdust
 
paint roller
a roller that has an absorbent surface used for spreading paint
 
paint
a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating
 
paintball
a capsule filled with water-soluble dye used as a projectile in playing the game of paintball
 
paintball gun
an air gun used in the game of paintball; designed to simulate a semiautomatic
 
paintbox
a box containing a collection of cubes or tubes of artists' paint
 
paintbrush
a brush used as an applicator (to apply paint)
 
painter
a line that is attached to the bow of a boat and used for tying up (as when docking or towing)
 
painting
graphic art consisting of an artistic composition made by applying paints to a surface
 
pair of pincers
a hand tool for holding consisting of a compound lever for grasping
 
pair of pliers
a gripping hand tool with two hinged arms and (usually) serrated jaws
 
pair of scissors
an edge tool having two crossed pivoting blades
 
pair of tongs
any of various devices for taking hold of objects; usually have two hinged legs with handles above and pointed hooks below
 
pair of trousers
(usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately
 
pair of virginals
a legless rectangular harpsichord; played (usually by women) in the 16th and 17th centuries
 
paisley
a soft wool fabric with a colorful swirled pattern of curved shapes
 
pajama
a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries
 
palace
official residence of an exalted person (as a sovereign)
 
palace
a large ornate exhibition hall
 
Palace of Versailles
a palace built in the 17th century for Louis XIV southwest of Paris near the city of Versailles
 
palaestra
a public place in ancient Greece or Rome devoted to the training of wrestlers and other athletes
 
palankeen
a closed litter carried on the shoulders of four bearers
 
pale
a wooden strip forming part of a fence
 
paleolith
a stone tool from the Paleolithic age
 
palette knife
a spatula used by artists for mixing or applying or scraping off oil paints
 
palette
board that provides a flat surface on which artists mix paints and the range of colors used
 
palette
one of the rounded armor plates at the armpits of a suit of armor
 
paling
a fence made of upright pickets
 
palisade
fortification consisting of a strong fence made of stakes driven into the ground
 
pallet
a mattress filled with straw or a pad made of quilts; used as a bed
 
pallet
a hand tool with a flat blade used by potters for mixing and shaping clay
 
pallet
a portable platform for storing or moving goods that are stacked on it
 
pallium
cloak or mantle worn by men in ancient Rome
 
pallium
(Roman Catholic Church) vestment consisting of a band encircling the shoulders with two lappets hanging in front and back
 
Pamelor
a tricyclic antidepressant drug (trade name Pamelor) used along with psychotherapy to treat dysthymic depression; may interact dangerously if taken with other drugs
 
pan
shallow container made of metal
 
panache
a feathered plume on a helmet
 
Panama Canal
a ship canal 40 miles long across the Isthmus of Panama built by the United States (1904-1914)
 
Panama hat
a stiff hat made of straw with a flat crown
 
panatela
a long slender cigar
 
pancake turner
turner for serving or turning pancakes
 
panchromatic film
photographic film sensitive to light of all colors (including red)
 
panda car
a police cruiser
 
pandean pipe
a primitive wind instrument consisting of several parallel pipes bound together
 
Pandora's box
(Greek mythology) a box that Zeus gave to Pandora with instructions that she not open it; she gave in to her curiosity and opened it; all the miseries and evils flew out to afflict mankind
 
pane
sheet glass cut in shapes for windows or doors
 
pane
a panel or section of panels in a wall or door
 
panel
sheet that forms a distinct (usually flat and rectangular) section or component of something
 
panel
a soft pad placed under a saddle
 
panel heating
heating system consisting of wall or floor or baseboard or ceiling panels containing electric conductors or heating pipes
 
panel light
a light to illuminate an instrument panel
 
panhandle
the handle of a pan
 
panic button
a button to push in order to summon help in case of an emergency
 
pannier
set of small hoops used to add fullness over the hips
 
pannier
a large basket (usually one of a pair) carried by a beast of burden or on by a person
 
pannier
either of a pair of bags or boxes hung over the rear wheel of a vehicle (as a bicycle)
 
pannikin
a small pan or cup (usually of tin)
 
panopticon
a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791
 
panopticon
an area where everything is visible
 
panoramic sight
gunsight (a telescopic device for an artillery piece) that can be rotated horizontally in a full circle
 
pant leg
the leg of a pair of trousers
 
pantaloon
trousers worn in former times
 
pantechnicon
a large moving van (especially one used for moving furniture)
 
pantheon
(antiquity) a temple to all the gods
 
pantheon
a monument commemorating a nation's dead heroes
 
pantie
short underpants for women or children (usually used in the plural)
 
panting
any fabric used to make trousers
 
pantograph
mechanical device used to copy a figure or plan on a different scale
 
pants presser
a home appliance in which trousers can be hung and the wrinkles pressed out
 
pants suit
a pair of pants and a matching jacket worn by women
 
panty girdle
a woman's undergarment that combines a girdle and panties
 
pantyhose
a woman's tights consisting of underpants and stockings
 
panzer
an armored vehicle or tank
 
papal cross
a cross with three crossbars
 
paper chain
a chain made of loops of colored paper; used to decorate a room
 
paper cutter
a cutting implement for cutting sheets of paper to the desired size
 
paper doll
a piece of paper cut or folded into the shape of a human being
 
paper fastener
a fastener for holding a sheet of paper in place
 
paper feed
a device for inserting sheets of paper into a printer or typewriter
 
paper mill
a mill where paper is manufactured
 
paper plate
a disposable plate made of cardboard
 
paper towel
a disposable towel made of absorbent paper
 
paperback
a book with paper covers
 
paperweight
a weight used to hold down a stack of papers
 
parabolic mirror
a parabolic reflector for light radiation
 
parabolic reflector
a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
 
parallel circuit
a closed circuit in which the current divides into two or more paths before recombining to complete the circuit
 
parallel interface
an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously
 
paramagnet
magnet made of a substance whose magnetization is proportional to the strength of the magnetic field applied to it
 
parang
a stout straight knife used in Malaysia and Indonesia
 
parapet
a low wall along the edge of a roof or balcony
 
parasail
parachute that will lift a person up into the air when it is towed by a motorboat or a car
 
parasol
a handheld collapsible source of shade
 
parer
a small sharp knife used in paring fruits or vegetables
 
parfait glass
a tall slender glass with a short stem in which parfait is served
 
pargeting
ornamental plasterwork
 
pari-mutuel machine
computer that registers bets and divides the total amount bet among those who won
 
park
a gear position that acts as a parking brake
 
park bench
a bench in a public park
 
parking meter
a coin-operated timer located next to a parking space; depositing money into it entitles you to park your car there for a specified length of time
 
parlor
reception room in an inn or club where visitors can be received
 
parquet
seating on the main floor between the orchestra and the parquet circle
 
parquet circle
seating at the rear of the main floor (beneath the balconies)
 
parquet
a floor made of parquetry
 
parqueterie
a patterned wood inlay used to cover a floor
 
parsonage
an official residence provided by a church for its parson or vicar or rector
 
Parsons table
a sturdy rectangular table with block legs at the four corners; the top and the legs are the same width
 
part
an item that is an instance of some type
 
part
something less than the whole of a human artifact
 
parterre
an ornamental flower garden; beds and paths are arranged to form a pattern
 
Parthenon
the main temple of the goddess Athena; built on the acropolis in Athens more than 400 years B.C.; example of Doric architecture
 
partial denture
a denture replacing one or more teeth in a dental arch
 
particle detector
a chamber in which particles can be made visible
 
partisan
a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries
 
parts bin
a bin for holding spare parts
 
party line
a telephone line serving two or more subscribers
 
party wall
a wall erected on the line between two properties and shared by both owners
 
parvis
a courtyard or portico in front of a building (especially a cathedral)
 
paseo
a path set aside for walking
 
pass-through
an opening that resembles a window between two rooms (especially a shelved opening between a kitchen and dining room that is used to pass dishes)
 
passage
a way through or along which someone or something may pass
 
passageway
a passage between rooms or between buildings
 
passe-partout
a mounting for a picture using gummed tape
 
passementerie
a decoration or adornment on a garment
 
passenger ship
a ship built to carry passengers
 
passenger train
a train that carries passengers
 
passenger van
a van that carries passengers
 
passive matrix display
a type of LCD display used for some portable computers; parallel wires run both vertically and horizontally and pixels are turned on when the wires intersecting at that pixel are both energized
 
paste-up
a composition of flat objects pasted on a board or other backing
 
pastiche
a work of art that imitates the style of some previous work
 
pastry cart
a serving cart for displaying pastry desserts to restaurant patrons
 
pasty
(usually used in the plural) one of a pair of adhesive patches worn to cover the nipples of exotic dancers and striptease performers
 
patch
a piece of cloth used as decoration or to mend or cover a hole
 
patch pocket
a flat pocket sewn to the outside of a garment
 
patch
a connection intended to be used for a limited time
 
patchboard
telephone central where circuits are completed with patchcords
 
patchcord
a length of wire that has a plug at each end; used to make connections at a patchboard
 
patchwork
sewing consisting of pieces of different materials sewn together in a pattern
 
patchwork
a quilt made by sewing patches of different materials together
 
patent log
a cigar-shaped log with rotary fins that measure the ship's speed
 
patent medicine
medicine that is protected by a patent and available without a doctor's prescription
 
paternoster
a type of lift having a chain of open compartments that move continually in an endless loop so that (agile) passengers can step on or off at each floor
 
path
a way especially designed for a particular use
 
patina
a fine coating of oxide (produced by oxidation over a long period of time) on the surface of a metal (particularly copper)
 
patina
a gloss or sheen on wooden furniture produced by age, polishing, or handling
 
patina
an acquired change in the appearance of something (other than metal or wood)
 
patio
usually paved outdoor area adjoining a residence
 
patisserie
a bakery specializing in French pastry
 
patka
a scarf worn by Sikh men
 
patriarchal cross
a cross with two crossbars
 
patrol boat
a vessel assigned to patrol an area
 
patty-pan
a pan for cooking patties or pasties
 
pave
a setting with precious stones so closely set that no metal shows
 
paved surface
a level horizontal surface covered with paving material
 
pavement
the paved surface of a thoroughfare
 
pavement
walk consisting of a paved area for pedestrians; usually beside a street or roadway
 
paving machine
a machine for laying pavement
 
paving stone
a stone used for paving
 
pavis
(Middle Ages) a large heavy oblong shield protecting the whole body; originally carried but sometimes set up in permanent position
 
pawn
(chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank
 
Paxil
a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade name Paxil)
 
pay-phone
a coin-operated telephone
 
PC
a small digital computer based on a microprocessor and designed to be used by one person at a time
 
PC board
a removable circuit board for a personal computer; fits into a slot in the mother board
 
PCP
a drug used as an anesthetic by veterinarians; illicitly taken (originally in the form of powder or `dust') for its effects as a hallucinogen
 
PDA
a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.
 
pea jacket
a sailor's heavy woolen double-breasted jacket
 
pea shooter
a straight narrow tube through which pellets (as dried peas) can be blown at a target
 
peacekeeper
the pistol of a law officer in the old West
 
peach orchard
a grove of peach trees
 
peacock-throne
the golden throne of former kings of Delhi; stolen by the Persians in 1739 and subsequently lost; symbol of the former Shah of Iran
 
peag
small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency
 
pearl fishery
a fishery where they fish for pearl oysters
 
pectoral
an adornment worn on the chest or breast
 
pedal pushers
(used in the plural) snug trousers ending at the calves; worn by women and girls
 
pedestal table
a table supported by a single central column
 
pedestrian crossing
street crossing where pedestrians have right of way; often marked in some way (especially with diagonal stripes)
 
pediment
a triangular gable between a horizontal entablature and a sloping roof
 
pedometer
measuring instrument for recording the number of steps taken in walking
 
peeler
a device for peeling vegetables or fruits
 
peen
the part of a hammerhead opposite the flat striking surface (may have various shapes)
 
peep sight
rear gunsight having an adjustable eyepiece with a small aperture through which the front sight and the target are aligned
 
peg
regulator that can be turned to regulate the pitch of the strings of a stringed instrument
 
peg top
a pear-shaped top made of wood with a metal center pin
 
pegboard
a board perforated with regularly spaced holes into which pegs can be fitted
 
pel
(computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)
 
Pelham
a bit with a bar mouthpiece that is designed to combine a curb and snaffle
 
pelican crossing
an acronym for pedestrian light control; a pedestrian crossing with traffic lights that are controlled by pedestrians
 
pelisse
a sleeveless cape that is lined or trimmed with fur
 
pellet
a solid missile discharged from a firearm
 
pelvimeter
measuring instrument for performing pelvimetry
 
pen
a writing implement with a point from which ink flows
 
pen
an enclosure for confining livestock
 
pen
a correctional institution for those convicted of major crimes
 
pen
a portable enclosure in which babies may be left to play
 
pen-and-ink
a drawing executed with pen and ink
 
penal colony
a penal institution where prisoners are exiled (often located on an island from which escape is difficult or impossible)
 
penal facility
an institution where persons are confined for punishment and to protect the public
 
penalty box
(ice hockey) an enclosed bench to the side of an ice-hockey rink for players who are serving time penalties
 
pencil
a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
 
pencil
a cosmetic in a long thin stick; designed to be applied to a particular part of the face
 
pencil box
a box for holding pencils
 
pencil eraser
an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil
 
pencil sharpener
a rotary implement for sharpening the point on pencils
 
pendant
an adornment that hangs from a piece of jewelry (necklace or earring)
 
pendulum
an apparatus consisting of an object mounted so that it swings freely under the influence of gravity
 
pendulum clock
a clock regulated by a pendulum
 
pendulum watch
(18th century) a watch with a balance wheel having a fake pendulum attached to it
 
penetration bomb
a bomb with about 30% explosive and a casing designed to penetrate hardened targets before the explosive detonates
 
penicillin
any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases
 
penicillin F
the first form of penicillin that was isolated in Great Britain
 
penicillin G
the penicillin that constitutes the principal component of many commercial antibiotics
 
penicillin O
a penicillin that is similar in antibiotic action to penicillin G but is obtained differently
 
penicillin V
a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids
 
penicillin V potassium
a form of penicillin V (trade name Ledercillin VK)
 
penicillinase-resistant antibiotic
a form of penicillin that is not rendered inactive by penicillinase
 
penile implant
an implant that creates an artificial erection
 
penknife
a small pocketknife; originally used to cut quill pens
 
penlight
a small flashlight resembling a fountain pen
 
pennant
a long flag; often tapering
 
pennoncel
a small pennant borne on a lance
 
penny arcade
an arcade with coin-operated devices for entertainment
 
penny bank
a child's coin bank (often shaped like a pig)
 
pennywhistle
an inexpensive fipple flute
 
penstock
conduit that carries a rapid flow of water controlled by a sluicegate
 
Pentagon
a government building with five sides that serves as the headquarters of the United States Department of Defense
 
penthouse
an apartment located on the top floors of a building
 
pentimento
the reappearance in a painting of an underlying image that had been painted over (usually when the later painting becomes transparent with age)
 
pentode
a thermionic tube having five electrodes
 
Pentothal
barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic
 
Pepcid
a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux
 
peplos
a garment worn by women in ancient Greece; cloth caught at the shoulders and draped in folds to the waist
 
peplum
a flared ruffle attached to the waistline of a dress or jacket or blouse
 
pepper box
a shaker with a perforated top for sprinkling ground pepper
 
pepper grinder
a mill for grinding pepper
 
pepper spray
a nonlethal aerosol spray made with the pepper derivative oleoresin capiscum; used to cause temporary blindness and incapacitate an attacker; also used as a bear deterrent
 
pepper-and-salt
a fabric woven with flecks of light and dark
 
percale
a fine closely woven cotton fabric
 
perch
support consisting of a branch or rod that serves as a resting place (especially for a bird)
 
percolator
a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans
 
percussion cap
a detonator that explodes when struck
 
percussion instrument
a musical instrument in which the sound is produced by one object striking another
 
percussor
(medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
 
perforation
a line of small holes for tearing at a particular place
 
perfumery
an establishment where perfumes are made
 
perfumery
store where perfumes are sold
 
perfumery
perfumes in general
 
Periactin
an antihistamine (trade name Periactin) used to treat some allergic reactions
 
period piece
any work of art whose special value lies in its evocation of a historical period
 
periscope
an optical instrument that provides a view of an otherwise obstructed field
 
peristyle
a colonnade surrounding a building or enclosing a court
 
Peritrate
a coronary vasodilator (trade name Peritrate) used to treat angina pectoris
 
periwig
a wig for men that was fashionable in the 17th and 18th centuries
 
periwinkle plant derivative
an antineoplastic drug used to treat some forms of cancer
 
permanent magnet
a magnet that retains its magnetism after being removed from a magnetic field
 
perpendicular
an extremely steep face
 
perpendicular
a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
 
perpetual motion machine
a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy
 
personnel carrier
a military vehicle (usually armored) for transporting military personnel and their equipment
 
pestle
a club-shaped hand tool for grinding and mixing substances in a mortar
 
pestle
machine consisting of a heavy bar that moves vertically for pounding or crushing ores
 
PET scanner
a tomograph that produces cross-sectional X-rays of metabolic processes in the body
 
pet shop
a shop where pet animals can be purchased
 
petard
an explosive device used to break down a gate or wall
 
petcock
regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
 
Peter Pan collar
a flat collar with rounded ends that meet in front
 
petit point
needlepoint done with small stitches
 
petit point
a small diagonal needlepoint stitch
 
Petri dish
a shallow dish used to culture bacteria
 
petrolatum gauze
gauze saturated with petrolatum
 
Petronas Towers
twin skyscrapers built in Kuala Lumpur in 1997; 1482 feet high
 
phaeton
large open car seating four with folding top
 
pharmaceutic
drug or medicine that is prepared or dispensed in pharmacies and used in medical treatment
 
pharmacopoeia
a collection or stock of drugs
 
Phenergan
antihistamine (trade name Phenergan) used to treat allergies; also an antiemetic used to treat motion sickness
 
pheniramine
an antihistamine used in preparations to treat allergies and respiratory infections; used to treat rhinitis and skin rashes and pruritus
 
phenolphthalein
a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8
 
phenylephrine
a powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion
 
phenylpropanolamine
an adrenergic drug used in many preparations to relieve allergic reactions or respiratory infections
 
phenyltoloxamine
antihistamine included in some preparations used to treat coughing and nasal congestion
 
Phillips screw
a screw with a special head having crossed slots
 
Phillips screwdriver
a screwdriver for use with Phillips screws
 
phlebogram
an X ray of a vein injected with a radiopaque contrast medium
 
phone cord
the telephone wire that connects to the handset
 
phone jack
a jack for plugging in a telephone
 
phone plug
a plug for connecting a telephone
 
phone system
a communication system that transmits sound between distant points
 
phone
electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
 
phonograph album
an album for holding phonograph records
 
phonograph
machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically
 
photocathode
a cathode that emits electrons when illuminated
 
photocoagulator
surgical instrument containing a laser for use in photocoagulation
 
photocopier
a copier that uses photographic methods of making copies
 
photocopy
a photographic copy of written or printed or graphic work
 
photograph album
an album for photographs
 
photographic equipment
equipment used by a photographer
 
photographic material
light-sensitive paper on which photograph can be printed
 
photographic plate
a flat sheet of metal or glass on which a photographic image can be recorded
 
photographic print
a printed picture produced from a photographic negative
 
photolithograph
a lithograph produced by photographically produced plates
 
photometer
measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
 
photomicrograph
a photograph taken with the help of a microscope
 
photomontage
a montage that uses photographic images
 
photostat
a photocopy made on a Photostat machine
 
Photostat machine
a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper
 
photovoltaic cell
a cell that converts solar energy into electrical energy
 
phrontistery
an establishment for study and learning (sometimes including modern universities)
 
physics lab
a laboratory for research in physics
 
PI
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
 
piano accordion
an accordion with a right-hand keyboard
 
piano action
action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed
 
piano wire
thin steel wire of high tensile strength
 
Pianola
a mechanically operated piano that uses a roll of perforated paper to activate the keys
 
piccolo
a small flute; pitched an octave above the standard flute
 
pick
a thin sharp implement used for removing unwanted material
 
pick
a heavy iron tool with a wooden handle and a curved head that is pointed on both ends
 
pick
a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument
 
pick-me-up
anything with restorative powers
 
pickelhaube
a spiked helmet worn by German soldiers
 
picket
a vehicle performing sentinel duty
 
picket boat
a boat serving as a picket
 
picket ship
a ship serving as a picket
 
pickle barrel
a barrel holding vinegar in which cucumbers are pickled
 
pickup
mechanical device consisting of a light balanced arm that carries the cartridge
 
pickup
a light truck with an open body and low sides and a tailboard
 
picot
an edging of small loops, as on lace or ribbon
 
picture book
a book consisting chiefly of pictures
 
picture frame
a framework in which a picture is mounted
 
picture hat
a woman's dressy hat with a wide brim
 
picture rail
rail fixed to a wall for hanging pictures
 
picture window
a large window with a single pane (usually overlooking a view)
 
piece
a separate part of a whole
 
piece goods
merchandise in the form of fabrics sold by the yard
 
piece of cloth
a separate part consisting of fabric
 
piece of leather
a separate part consisting of leather
 
piece of work
a product produced or accomplished through the effort or activity or agency of a person or thing
 
pied-a-terre
lodging for occasional or secondary use
 
pier
a support for two adjacent bridge spans
 
pier
(architecture) a vertical supporting structure (as a portion of wall between two doors or windows)
 
pier arch
an arch supported on piers
 
pier glass
a large mirror between two windows
 
pier table
a low table set below a pier glass
 
Pierre Laporte Bridge
a suspension bridge across the Saint Lawrence River at Quebec
 
pieta
a representation of the Virgin Mary mourning over the dead body of Jesus
 
piezoelectric crystal
a crystal that can be used as a transducer
 
piezometer
a measuring instrument for measuring high pressures
 
pig
a crude block of metal (lead or iron) poured from a smelting furnace
 
pig farm
a farm where pigs are raised or kept
 
pig
mold consisting of a bed of sand in which pig iron is cast
 
pigpen
a pen for swine
 
pike
medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet
 
pike
a sharp point (as on the end of a spear)
 
pikestaff
the staff of a pike
 
pilaster
a rectangular column that usually projects about a third of its width from the wall to which it is attached
 
pile driver
a machine that drives piling into the ground
 
pile
a column of wood or steel or concrete that is driven into the ground to provide support for a structure
 
pill
something that resembles a tablet of medicine in shape or size
 
pill bottle
a small bottle for holding pills
 
pillar box
a red pillar-shaped letter box
 
pillbox
a small enclosed gun emplacement (usually of fortified concrete)
 
pillbox
a small case for holding pills
 
pillbox
a small round woman's hat
 
pillion
a seat behind the rider of a horse or motorbike etc.
 
pillory
a wooden instrument of punishment on a post with holes for the wrists and neck; offenders were locked in and so exposed to public scorn
 
pillow
a cushion to support the head of a sleeping person
 
pillow block
a cast-iron or steel block for supporting a journal or bearing
 
pillow sham
bed linen consisting of a decorative cover for a pillow
 
pilocarpine
cholinergic alkaloid used in eyedrops to treat glaucoma
 
pilot balloon
meteorological balloon used to observe air currents
 
pilot bit
a small bit that drills a first hole to guide a larger drill
 
pilot boat
a boat to carry pilots to and from large ships
 
pilot cloth
a thick blue cloth used to make overcoats and coats for sailors etc
 
pilot engine
a locomotive that precedes a train to check the track
 
pilot
small auxiliary gas burner that provides a flame to ignite a larger gas burner
 
pilothouse
an enclosed compartment from which a vessel can be navigated
 
Pimlico
a racetrack for thoroughbred racing; site of the Preakness
 
pimozide
the most commonly used diphenylbutyl piperidine
 
pin
a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
 
pin
a piece of jewelry that is pinned onto the wearer's garment
 
pin table
game equipment on which pinball is played
 
pin wrench
a wrench that has a projecting pin that fits into a socket on the object to be turned
 
pin
cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown
 
pin
axis consisting of a short shaft that supports something that turns
 
pinata
plaything consisting of a container filled with toys and candy; suspended from a height for blindfolded children to break with sticks
 
pince-nez
spectacles clipped to the nose by a spring
 
pinch bar
a lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels
 
pincurl clip
a variety of clip for holding pin curls
 
pincushion
a small stiff cushion into which pins are stuck ready for use
 
pine-tar rag
baseball equipment consisting of a rag soaked with pine tar; used on the handle of a baseball bat to give a batter a firm grip
 
pinfold
a pen where stray animals are confined
 
ping-pong ball
light hollow ball used in playing table tennis
 
pinger
a pulse generator used for echo sounding in sonar
 
pingpong paddle
paddle used to play table tennis
 
pingpong table
a table used for playing table tennis
 
pinhead
the head of a pin
 
pinhole
a small puncture that might have been made by a pin
 
pinion
a gear with a small number of teeth designed to mesh with a larger wheel or rack
 
pinnacle
(architecture) a slender upright spire at the top of a buttress of tower
 
pinner
a woman's cap with two long flaps pinned on
 
pinpoint
the sharp point of a pin
 
pinprick
small puncture (as if made by a pin)
 
pinstripe
a very thin stripe (especially a white stripe on a dark fabric)
 
pinstripe
a fabric with very thin stripes
 
pinstripe
a suit made from a fabric with very thin stripes
 
pintle
a pin or bolt forming the pivot of a hinge
 
pinwheel
a wheel that has numerous pins that are set at right angles to its rim
 
pinwheel
a toy consisting of vanes of colored paper or plastic that is pinned to a stick and spins when it is pointed into the wind
 
pipage
a long tube made of metal or plastic that is used to carry water or oil or gas etc.
 
pipe
a tubular wind instrument
 
pipe bomb
a small homemade bomb usually contained in a metal pipe
 
pipe clamp
a clamp for holding pipe that is to be cut or threaded
 
pipe cleaner
cleaning implement consisting of a flexible tufted wire that is used to clean a pipe stem
 
pipe cutter
a hand tool for cutting pipe
 
pipe fitting
fitting consisting of threaded pieces of pipe for joining pipes together
 
pipe rack
a rack for holding a smoker's pipes
 
pipe wrench
adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe
 
pipe
a tube with a small bowl at one end; used for smoking tobacco
 
piperazine
vermifuge used to treat infestations by roundworms or pinworms
 
pipet
measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube
 
piping
a thin strip of covered cord used to edge hems
 
Pipracil
a synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections
 
pique
tightly woven fabric with raised cords
 
pirate
a ship that is manned by pirates
 
piste
a ski run densely packed with snow
 
piste
a flat rectangular area for fencing bouts
 
pistol grip
a handle (as of a gun or saw) shaped like the butt of a pistol
 
piston ring
seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
 
piston rod
connecting rod that moves or is moved by a piston
 
piston
mechanical device that has a plunging or thrusting motion
 
pit
(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
 
pit
(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
 
pit
an enclosure in which animals are made to fight
 
pit
a trap in the form of a concealed hole
 
pit
a surface excavation for extracting stone or slate
 
pitch pipe
a small pipe sounding a tone of standard frequency; used to establish the starting pitch for unaccompanied singing
 
pitchfork
a long-handled hand tool with sharp widely spaced prongs for lifting and pitching hay
 
pitching wedge
a wedge used to loft the golf ball over obstacles
 
pith hat
a lightweight hat worn in tropical countries for protection from the sun
 
pithead
the entrance to a coal mine
 
piton
a metal spike with a hole for a rope; mountaineers drive it into ice or rock to use as a hold
 
Pitot tube
measuring instrument consisting of a right-angled tube with an open end that is directed in opposition to the flow of a fluid and used to measure the velocity of fluid flow
 
Pitot-static tube
measuring instrument consisting of a combined Pitot tube and static tube that measures total and static pressure; used in aircraft to measure airspeed
 
pitprop
a wooden prop used to support the roof of a mine
 
pitsaw
a large two-handed saw formerly used to cut logs into planks; one man stood above the log and the other in a pit below
 
pivoting window
a window that opens by pivoting either horizontally or vertically
 
pix
a chest in which coins from the mint are held to await assay
 
pix
any receptacle in which wafers for the Eucharist are kept
 
pizza parlor
a shop where pizzas are made and sold
 
place mat
a mat serving as table linen for an individual place setting
 
place setting
a table service for one person
 
placebo
an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
 
Placidyl
a mild sedative-hypnotic drug (trade name Placidyl)
 
placket
a piece of cloth sewn under an opening
 
plaid
a cloth having a crisscross design
 
plain weave
a basic style of weave in which the weft and warp threads intertwine alternately to produce a checkerboard effect
 
plait
any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
 
planchette
a triangular board supported on casters; when lightly touched with the fingertips it is supposed to spell out supernatural (or unconscious) messages
 
plane seat
a seat on a commercial airliner
 
plane table
surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details
 
plane
a power tool for smoothing or shaping wood
 
planetarium
an apparatus or model for representing the solar systems
 
planetarium
an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
 
planetarium
a building housing an instrument for projecting the positions of the planets onto a domed ceiling
 
plank-bed
a bed of boards (without a mattress)
 
planking
(nautical) a covering or flooring constructed of planks (as on a ship)
 
planner
a notebook for recording appointments and things to be done, etc.
 
planter
a decorative pot for house plants
 
Plaquenil
anti-inflammatory drug (trade name Plaquenil) used in the treatment of rheumatoid arthritis and malaria and lupus erythematosus
 
plaster
a surface of hardened plaster (as on a wall or ceiling)
 
plastering trowel
a trowel used to spread and smooth plaster
 
plastic art
the arts of shaping or modeling; carving and sculpture
 
plastic bag
a bag made of thin plastic material
 
plastic bomb
a bomb made of plastic explosive
 
plastic explosive
an explosive material that is easily molded around the object it is intended to destroy
 
plastic laminate
a laminate made by bonding plastic layers
 
plastic wrap
wrapping consisting of a very thin transparent sheet of plastic
 
plastron
a large pad worn by a fencer to protect the chest
 
plastron
a metal breastplate that was worn under a coat of mail
 
plastron
the front of man's dress shirt
 
plastron
the ornamental front of a woman's bodice or shirt
 
plat
a map showing planned or actual features of an area (streets and building lots etc.)
 
plate
dish on which food is served or from which food is eaten
 
plate
a sheet of metal or wood or glass or plastic
 
plate
structural member consisting of a horizontal beam that provides bearing and anchorage
 
plate
a full-page illustration (usually on slick paper)
 
plate
the positively charged electrode in a vacuum tube
 
plate glass
glass formed into large thin sheets
 
plate iron
a plate of iron
 
plate rack
a rack for holding plates to dry after they have been washed
 
plate rail
rail or narrow shelf fixed to a wall to display plates
 
plate
a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
 
platen
the roller on a typewriter against which the keys strike
 
platen
the flat plate of a printing press that presses the paper against the type
 
platen
work table of a machine tool
 
platform
a raised horizontal surface
 
platform
the combination of a particular computer and a particular operating system
 
platform bed
a bed without springs
 
platform rocker
rocking chair on a stationary base
 
platform
any military structure or vehicle bearing weapons
 
platinum thermometer
thermometer that measures temperature by changes in the resistance of a spiral of platinum wire
 
platter
a large shallow dish used for serving food
 
Plavix
a blood thinner (trade name Plavix) approved for the treatment of mild heart attacks; works by preventing blood platelets from sticking together to form clots that would restrict blood flow
 
playback
electronic equipment comprising the part of a tape recorder that reproduces the recorded material
 
playbox
a box for a child's toys and personal things (especially at a boarding school)
 
playground
yard consisting of an outdoor area for children's play
 
playground ball
ball used in playing softball
 
playground slide
plaything consisting of a sloping chute down which children can slide
 
playhouse
plaything consisting of a small model of a house that children can play inside of
 
playing card
one of a pack of cards that are used to play card games
 
playsuit
a sports outfit for women or children; usually consists of shorts and a blouse
 
plaything
an artifact designed to be played with
 
plenum
an enclosed space in which the air pressure is higher than outside
 
plessimeter
a small thin metal plate held against the body and struck with a plexor in percussive examinations
 
plethysmograph
a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains)
 
plimsoll
a light gym shoe with a rubber sole and a canvas top
 
plotter
an instrument (usually driven by a computer) for drawing graphs or pictures
 
plough
a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing
 
ploughshare
a sharp steel wedge that cuts loose the top layer of soil
 
plug fuse
a fuse with a thread that screws into a socket
 
plug
electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
 
plug
blockage consisting of an object designed to fill a hole tightly
 
plughole
a hole into which a plug fits (especially a hole where water drains away)
 
plumb level
a carpenter's level with a plumb line at right angles to it
 
plumb rule
a plumb line attached to a narrow board
 
plumb
the metal bob of a plumb line
 
plumber's helper
hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains
 
plumbing fixture
a fixture for the distribution and use of water in a building
 
plumbing
utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage
 
plume
a feather or cluster of feathers worn as an ornament
 
plus fours
men's baggy knickers hanging below the knees; formerly worn for sports (especially golf)
 
plush
a fabric with a nap that is longer and softer than velvet
 
plutonium pit
a steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives
 
pluviometer
gauge consisting of an instrument to measure the quantity of precipitation
 
ply
(usually in combinations) one of several layers of cloth or paper or wood as in plywood
 
ply
one of the strands twisted together to make yarn or rope or thread; often used in combination
 
plyboard
a laminate made of thin layers of wood
 
pneumatic drill
a power drill powered by compressed air
 
pneumatic tire
a tire made of reinforced rubber and filled with compressed air; used on motor vehicles and bicycles etc
 
Pneumovax
vaccine (trade name Pneumovax) effective against the 23 most common strains of pneumococcus
 
poacher
a cooking vessel designed to poach food (such as fish or eggs)
 
pocket
a small pouch inside a garment for carrying small articles
 
pocket
an opening at the corner or on the side of a billiard table into which billiard balls are struck
 
pocket battleship
a small battleship built to conform with treaty limitations on tonnage and armament (from 1925 to 1930)
 
pocket book
pocket-sized paperback book
 
pocket comb
a small comb suitable for carrying in a pocket
 
pocket flap
a flap that covers the access to a pocket
 
pocket knife
a knife with a blade that folds into the handle; suitable for carrying in the pocket
 
pocket watch
a watch that is carried in a small watch pocket
 
pocket-handkerchief
a handkerchief that is carried in a pocket
 
pogo stick
plaything consisting of a pole with foot rests and a strong spring; propelled by jumping
 
point
sharp end
 
point
a wall socket
 
point-and-shoot camera
a lightweight photographic camera with an autofocus
 
pointed arch
an arch with a pointed apex; characteristic of Gothic architecture
 
pointer
an indicator as on a dial
 
pointillism
a genre of painting characterized by the application of paint in dots and small strokes; developed by Georges Seurat and his followers in late 19th century France
 
pointing trowel
a trowel used to fill and finish masonry joints with mortar or cement
 
polarimeter
an optical device used to measure the rotation of the plane of vibration of polarized light
 
Polaroid
(trade mark) a plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare
 
Polaroid Land camera
a camera that develops and produces a positive print within seconds
 
pole
a long (usually round) rod of wood or metal or plastic
 
pole
a long fiberglass sports implement used for pole vaulting
 
pole
a contact on an electrical device (such as a battery) at which electric current enters or leaves
 
poleax
a battle ax used in the Middle Ages; a long handled ax and a pick
 
poleax
an ax used to slaughter cattle; has a hammer opposite the blade
 
police boat
a boat used by harbor police
 
police headquarters
a station that serves as headquarters for police in a particular district; serves as a place from which policemen are dispatched and to which arrested persons are brought
 
poliovirus vaccine
vaccine prepared from poliovirus to provide immunity to poliomyelitis
 
polka dot
design consisting of a pattern of regularly spaced circular spots
 
polling booth
a temporary booth in a polling place which people enter to cast their votes
 
polo ball
wooden ball that is struck with mallets in playing polo
 
polo mallet
a mallet used to strike the ball in polo
 
polo shirt
a shirt with short sleeves designed for comfort and casual wear
 
polo-neck collar
a high close-fitting turnover collar
 
polo-neck
a sweater or jersey with a high close-fitting collar
 
polonaise
a woman's dress with a tight bodice and an overskirt drawn back to reveal a colorful underskirt
 
polychrome
a piece of work composed of or decorated in many colors
 
polyconic projection
a conic projection of a map having distances between meridians equal to those distances on a globe
 
polyester
any of a large class of synthetic fabrics
 
polygraph
a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
 
polymyxin
any of several toxic antibiotics obtained from a particular soil bacterium
 
pom-pom
decoration consisting of a ball of tufted wool or silk; usually worn on a hat
 
pomade
hairdressing consisting of a perfumed oil or ointment
 
pommel
a handgrip that a gymnast uses when performing exercises on a pommel horse
 
pommel horse
a gymnastic horse with a cylindrical body covered with leather and two upright handles (pommels) near the center; held upright by two steel supports, one at each end
 
pommel
handgrip formed by the raised front part of a saddle
 
poncho
a blanket-like cloak with a hole in the center for the head
 
pongee
a soft thin cloth woven from raw silk (or an imitation)
 
Ponstel
a nonsteroidal anti-inflammatory and analgesic drug (trade name Ponstel) used to treat mild pain (especially menstrual cramps)
 
Ponte 25 de Abril
a suspension bridge across the Tagus River at Lisbon
 
pontifical
the vestments and other insignia of a pontiff (especially a bishop)
 
pontoon
a float supporting a seaplane
 
pontoon
(nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
 
pool
an excavation that is (usually) filled with water
 
pool ball
ball used in playing pool
 
poolroom
a room with pool tables where pool is played
 
poop deck
an exposed partial weather deck on the stern superstructure of a ship
 
poorhouse
an establishment maintained at public expense in order to provide housing for the poor and homeless
 
Pop Art
a school of art that emerged in the United Kingdom in the 1950s and became prevalent in the United States and the United Kingdom in the 1960s; it imitated the techniques of commercial art (as the soup cans of Andy Warhol) and the styles of popular culture and the mass media
 
pop bottle
a bottle for holding soft drinks
 
pop tent
a small tent that is easy to carry and quick to set up
 
popgun
plaything consisting of a toy gun that makes a popping sound
 
poplin
a ribbed fabric used in clothing and upholstery
 
popper
a container for cooking popcorn
 
popper
a container of stimulant drug (amyl nitrate or butyl nitrite)
 
poppet
a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines
 
porcelain
ceramic ware made of a more or less translucent ceramic
 
porch
a structure attached to the exterior of a building often forming a covered entrance
 
porkpie
man's hat with a low, flat crown and a snap brim
 
porringer
a shallow metal bowl (usually with a handle)
 
portable
a small light typewriter; usually with a case in which it can be carried
 
portable circular saw
a circular saw that is portable and is operated with a hand grip
 
portable computer
a personal computer that can easily be carried by hand
 
portage
overland track between navigable waterways
 
portal
a grand and imposing entrance (often extended metaphorically)
 
portcullis
gate consisting of an iron or wooden grating that hangs in the entry to a castle or fortified town; can be lowered to prevent passage
 
porte-cochere
canopy extending out from a building entrance to shelter those getting in and out of vehicles
 
porte-cochere
a carriage entrance passing through a building to an enclosed courtyard
 
portfolio
a large, flat, thin case for carrying loose papers or drawings or maps; usually leather
 
porthole
a window in a ship or airplane
 
portico
a porch or entrance to a building consisting of a covered and often columned area
 
portiere
a heavy curtain hung across a doorway
 
portrait camera
a camera with a portrait lens
 
portrait lens
a compound camera lens with a relatively high aperture
 
portrait
any likeness of a person, in any medium
 
positioner
(computer science) the actuator that moves a read/write head to the proper data track
 
positive
a film showing a photographic image whose tones correspond to those of the original subject
 
positive pole
the terminal of a battery that is connected to the positive plate
 
post
an upright consisting of a piece of timber or metal fixed firmly in an upright position
 
post and lintel
a structure consisting of vertical beams (posts) supporting a horizontal beam (lintel)
 
post chaise
closed horse-drawn carriage with four wheels; formerly used to transport passengers and mail
 
post hole
a hole dug in the ground to hold a fence post
 
post horn
wind instrument used by postilions of the 18th and 19th centuries
 
post house
an inn for exchanging post horses and accommodating riders
 
post road
a road over which mail is carried
 
Post-Office box
a numbered compartment in a post office where mail is put to be called for
 
postage meter
meter for bulk mailings that imprints correct prepaid postage on pieces of mail and records the total charge
 
poster color
pigment mixed with water-soluble glutinous materials such as size and egg yolk
 
postern
a small gate in the rear of a fort or castle
 
posthole digger
a shovel used to sink postholes
 
postmodernism
genre of art and literature and especially architecture in reaction against principles and practices of established modernism
 
pot
metal or earthenware cooking vessel that is usually round and deep; often has a handle and lid
 
pot farm
a plot of ground where marijuana is grown and harvested (often hidden in a national forest)
 
pot
a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets
 
potbelly
a bulbous stove in which wood or coal is burned
 
Potemkin village
something that seems impressive but in fact lacks substance
 
potential divider
resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage
 
potentiometer
a measuring instrument for measuring direct current electromotive forces
 
potholder
an insulated pad for holding hot pots
 
pothook
an S-shaped hook to suspend a pot over a fire
 
potpourri
a jar of mixed flower petals and spices used as perfume
 
potsherd
a shard of pottery
 
potter's wheel
a horizontal rotating wheel holding the clay being shaped by a potter
 
pottery
a workshop where clayware is made
 
pottle
a pot that holds 2 quarts
 
potty chair
toilet consisting of a small seat used by young children
 
pouch
a small or medium size container for holding or carrying things
 
pound net
trap consisting of an arrangement of nets directing fish into an enclosure
 
POW camp
a camp for prisoners of war
 
powder
any of various cosmetic or medical preparations dispensed in the form of a pulverized powder
 
powder and shot
ammunition consisting of gunpowder and bullets for muskets
 
powder flask
container for carrying gunpowder; made of the hollow horn of an animal
 
powder keg
keg (usually made of metal) for gunpowder or blasting powder
 
powderpuff
a soft spherical object made from fluffy fibers; for applying powder to the skin
 
power brake
a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle
 
power cable
cable used to distribute electricity
 
power cord
a cord to conduct power to an electrical appliance
 
power drill
a power tool for drilling holes into hard materials
 
power loom
a loom operated mechanically
 
power module
module that provides power to operate other modules
 
power pack
a device for converting a power supply to a voltage required by particular equipment
 
power plant
an electrical generating station
 
power pylon
a large vertical steel tower supporting high-tension power lines
 
power saw
a power tool for cutting wood
 
power steering
automotive steering where engineer power amplifies the torque applied to the steering wheel
 
power tool
a tool driven by a motor
 
practice range
a place for practicing golf shots
 
praetorium
the tent of an ancient Roman general
 
Pravachol
an oral drug (trade name Pravachol) administered to reduce blood cholesterol levels; recommended after nonfatal heart attacks
 
prayer beads
a string of beads used in counting prayers (especially by Catholics)
 
prayer mat
a small rug used by Muslims during their devotions
 
prayer shawl
(Judaism) a shawl with a ritually knotted fringe at each corner; worn by Jews at morning prayer
 
precision rifle
an extremely powerful rifle developed for the military; capable of destroying light armored vehicles and aircraft more than a mile away
 
predictor
a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival
 
prefab
a prefabricated structure
 
presbytery
building reserved for the officiating clergy
 
presence chamber
room in which a monarch or other great person receives guests, assemblies, etc.
 
presidio
a fortress established in the southwestern United States by the Spanish in order to protect their missions and other holdings
 
press
clamp to prevent wooden rackets from warping when not in use
 
press box
box reserved for reporters (as at a sports event)
 
press gallery
an area (sometimes in a balcony) set aside for reporters (especially in a legislative hall)
 
press of canvas
the greatest amount of sail that a ship can carry safely
 
press stud
a fastener used on clothing; fastens with a snapping sound
 
press
a machine used for printing
 
pressing
a metal or plastic part that is made by a mechanical press
 
pressor
any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
 
pressure cabin
cabin consisting of the pressurized section of an aircraft or spacecraft
 
pressure cooker
autoclave for cooking at temperatures above the boiling point of water
 
pressure dome
a dome-shaped building that is pressurized
 
pressure gage
gauge for measuring and indicating fluid pressure
 
pressure suit
protective garment consisting of an inflatable suit for space or high altitude flying
 
preventative
remedy that prevents or slows the course of an illness or disease
 
pricket
a sharp metal spike to hold a candle
 
prie-dieu
low bench for kneeling on
 
primaquine
synthetic antimalarial drug
 
primary
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
 
Primaxin
trade name for a parenteral antibiotic
 
primitivism
a genre characteristic of (or imitative of) primitive artists or children
 
Primus stove
a portable paraffin cooking stove; used by campers
 
Prince Albert
a man's double-breasted frock coat
 
Princeton University
a university in New Jersey
 
Prinival
an ACE inhibiting drug (trade names Prinival or Zestril) administered as an antihypertensive and after heart attacks
 
print
a picture or design printed from an engraving
 
print
a fabric with a dyed pattern pressed onto it (usually by engraved rollers)
 
print
a copy of a movie on film (especially a particular version of it)
 
print buffer
a buffer that stores data until the printer is ready
 
print shop
a workplace where printing is done
 
printed circuit
computer circuit consisting of an electronic sub-assembly; copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered
 
printer
(computer science) an output device that prints the results of data processing
 
printer cable
a cable between a computer and a printer
 
printer
a machine that prints
 
priory
religious residence in a monastery governed by a prior or a convent governed by a prioress
 
prism spectroscope
an optical instrument for spectrographic analysis
 
prison camp
a camp for trustworthy prisoners employed in government projects
 
prison
a correctional institution where persons are confined while on trial or for punishment
 
private line
a telephone line serving a single subscriber
 
privateer
a privately owned warship commissioned to prey on the commercial shipping or warships of an enemy nation
 
privet hedge
hedge of privet plants
 
prize
something given as a token of victory
 
probe
a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities
 
probenecid
a uricosuric drug that reduces the level of uric acid in the blood; used to treat gout
 
procarbazine
an antineoplastic drug used to treat Hodgkin's disease
 
Procardia
calcium blocker (trade name Procardia); appears to increase the risk of recurrent heart attacks
 
prochlorperazine
antipsychotic and antiemetic drug used to treat schizophrenia and to combat nausea and vomiting
 
proctoscope
an endoscope for examining the rectum
 
product
an artifact that has been created by someone or some process
 
projectile
any vehicle self-propelled by a rocket engine
 
projection
any structure that branches out from a central support
 
projection
the representation of a figure or solid on a plane as it would look from a particular direction
 
projection screen
a white or silvered surface where pictures can be projected for viewing
 
projector
an optical instrument that projects an enlarged image onto a screen
 
projector
an optical device for projecting a beam of light
 
prolonge
a rope fitted with a hook and used for towing a gun carriage
 
prolonge knot
a knot in the rope used to drag a gun carriage
 
prompt box
a booth projecting above the floor in the front of a stage where the prompter sits; opens toward the performers on stage
 
prong
a pointed projection
 
proof
a trial photographic print from a negative
 
prop
a support placed beneath or against something to keep it from shaking or falling
 
prop
any movable articles or objects used on the set of a play or movie
 
propeller plane
an airplane that is driven by a propeller
 
propeller
a mechanical device that rotates to push against air or water
 
propjet
an airplane with an external propeller that is driven by a turbojet engine
 
proportional counter
counter tube whose output pulse is proportional to number of ions produced
 
propulsion system
a system that provides a propelling or driving force
 
proscenium arch
the arch over the opening in the proscenium wall
 
proscenium
the wall that separates the stage from the auditorium in a modern theater
 
ProSom
a frequently prescribed sleeping pill (trade name ProSom)
 
prosthesis
corrective consisting of a replacement for a part of the body
 
Prostigmin
a cholinergic drug (trade name Prostigmin) used to treat some ophthalmic conditions and to treat myasthenia gravis
 
protection
a covering that is intend to protect from damage or injury
 
protective garment
clothing that is intended to protect the wearer from injury
 
proteosome
a form of vaccine that can be administered by an inhaler
 
proton accelerator
a collider that collides beams of protons and antiprotons
 
protractor
drafting instrument used to draw or measure angles
 
protriptyline
tricyclic antidepressant used to treat clinical depression
 
Proventil
a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects are tachycardia and shakiness
 
proving ground
a workplace for testing new equipment or ideas
 
pruning knife
a knife with a curved or hooked blade
 
pruning saw
a handsaw used for pruning trees
 
pruning shears
shears with strong blades used for light pruning of woody plants
 
psaltery
an ancient stringed instrument similar to the lyre or zither but having a trapezoidal sounding board under the strings
 
psilocin
a hallucinogenic compound obtained from a mushroom
 
psychotropic agent
a chemical substance that can influence human consciousness
 
psychrometer
a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air
 
PT boat
a small fast unarmored and lightly armed torpedo boat; P(atrol) T(orpedo) boat
 
PTO
a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)
 
public transit
a public transportation system for moving passengers
 
public transport
conveyance for passengers or mail or freight
 
public works
structures (such as highways or schools or bridges or docks) constructed at government expense for public use
 
pull
a device used for pulling something
 
pull chain
a chain (usually with a handle at the end) that is pulled in order to operate some mechanism (e.g. to flush a toilet)
 
pull-in
a roadside cafe especially for lorry drivers
 
pull-through
cleaning implement consisting of an oily rag attached by a cord to a weight; is pulled through the barrel of a rifle or handgun to clean it
 
pullback
a device (as a decorative loop of cord or fabric) for holding or drawing something back
 
Pullman car
luxurious passenger car; for day or night travel
 
pullover
a sweater that is put on by pulling it over the head
 
pulse counter
an electronic counter that counts the number of electric pulses
 
pulse generator
a generator of single or multiple voltage pulses; usually adjustable for pulse rate
 
pulse timing circuit
a circuit that times pulses
 
pump
a mechanical device that moves fluid or gas by pressure or suction
 
pump
a low-cut shoe without fastenings
 
pump action
action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round
 
pump house
a house where pumps (e.g. to irrigate) are installed and operated
 
pump room
a pump house at a spa where medicinal waters are pumped and where patrons gather
 
pump well
an enclosure in the middle of a ship's hold that protects the ship's pumps
 
pump-type pliers
a type of pliers
 
punch bag
an inflated ball or bag that is suspended and punched for training in boxing
 
punch bowl
a large bowl for serving beverages; usually with a ladle
 
punch pliers
punch consisting of pliers for perforating paper or leather
 
punch press
a power driven press used to shape metal parts
 
punch
a tool for making holes or indentations
 
punchboard
a small board full of holes; each hole contains a slip of paper with symbols printed on it; a gambler pays a small sum for the privilege of pushing out a slip in the hope of obtaining one that entitles him to a prize
 
puncture
a small hole made by a sharp object
 
pung
a one-horse sleigh consisting of a box on runners
 
punkah
a large fan consisting of a frame covered with canvas that is suspended from the ceiling; used in India for circulating air in a room
 
punnet
a small light basket used as a measure for fruits
 
punt
an open flat-bottomed boat used in shallow waters and propelled by a long pole
 
pup tent
a wedge-shaped tent; usually without a floor or windows
 
puppet
a doll with a hollow head of a person or animal and a cloth body; intended to fit over the hand and be manipulated with the fingers
 
purdah
a screen used in India to separate women from men or strangers
 
purifier
an apparatus for removing impurities
 
Purinethol
a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia
 
purl
gold or silver wire thread
 
purl
a basic knitting stitch made by putting the needle through the front of the stich from the righthand side
 
purple
(Roman Catholic Church) official dress of a cardinal; so named after the Tyrial purple color of the robes
 
purse
a small bag for carrying money
 
purse seine
a seine designed to be set by two boats around a school of fish and then closed at the bottom by means of a line
 
purse string
a drawstring used to close the mouth of a purse
 
push broom
a wide broom that is pushed ahead of the sweeper
 
push-bike
a bicycle that must be pedaled
 
push-button radio
a radio receiver that can be tuned by pressing buttons
 
push-down storage
a storage device that handles data so that the next item to be retrieved is the item most recently stored (LIFO)
 
pusher
a sandal attached to the foot by a thong over the toes
 
put-put
a small gasoline engine (as on motor boat)
 
puttee
a strip of cloth wound around the leg to form legging; used by soldiers in World War I
 
putter
the iron normally used on the putting green
 
putty knife
a spatula used to mix or apply putty
 
puzzle
a game that tests your ingenuity
 
PWR
a nuclear reactor that uses water as a coolant and moderator; the steam produced can drive a steam turbine
 
PX
a commissary on a United States Army post
 
pyelogram
an X ray of the kidneys and ureters
 
pylon
a tower for guiding pilots or marking the turning point in a race
 
pyocyanase
a yellow-green mixture of antibiotics obtained from the bacillus of green pus
 
pyocyanin
a toxic blue crystalline antibiotic found in green pus
 
pyramidal tent
a large tent shaped like a pyramid; can hold half a dozen people
 
Pyramids of Egypt
a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
 
Pyridium
analgesic (trade name Pyridium) used to treat urinary tract infections
 
pyrilamine
antihistamine used to treat rhinitis and pruritus
 
pyrograph
a design produced by pyrography
 
pyrometer
a thermometer designed to measure high temperatures
 
pyrometric cone
a pyrometer consisting of a series of cones that melt at different temperatures
 
pyrostat
a thermostat that operates at very high temperatures
 
pyxis
a small box used by ancient Greeks to hold medicines
 
Quaalude
sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse
 
quad
a rectangular area surrounded on all sides by buildings
 
quad
(printing) a block of type without a raised letter; used for spacing between words or sentences
 
quadrant
a measuring instrument for measuring altitude of heavenly bodies
 
quadraphonic system
a stereophonic sound recording or reproducing system using four separate channels
 
quadruplicate
any four copies; any of four things that correspond to one another exactly
 
Quaker gun
a dummy gun or piece of artillery made usually of wood
 
quarrel
an arrow that is shot from a crossbow; has a head with four edges
 
quarter
piece of leather that comprises the part of a shoe or boot covering the heel and joining the vamp
 
quarter plate
a photographic plate measuring 3.25 inches by 4.25 inches
 
quarterdeck
the stern area of a ship's upper deck
 
quartering
living accommodations (especially those assigned to military personnel)
 
quartering
a coat of arms that occupies one quarter of an escutcheon; combining four coats of arms on one shield usually represented intermarriages
 
quarterlight
car window consisting of a small pivoted glass vent in the door of a car
 
quarterstaff
a long stout staff used as a weapon
 
quartz battery
a stamp mill for stamping quartz
 
quartz crystal
a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators
 
quartz lamp
a mercury-vapor lamp that is enclosed in a quartz container instead of a glass container
 
quay
wharf usually built parallel to the shoreline
 
Quebec Bridge
a cantilever bridge in Quebec
 
queen
(chess) the most powerful piece
 
queen
one of four face cards in a deck bearing a picture of a queen
 
queen post
vertical tie post in a roof truss
 
Queensboro Bridge
a cantilever bridge across the East River between Manhattan and Queens
 
quern
a primitive stone mill for grinding corn by hand
 
quill
pen made from a bird's feather
 
quilted bedspread
a bedspread constructed like a thin quilt
 
quilting
a material used for making a quilt, or a quilted fabric
 
quilting
stitching through layers of fabric and a filling so as to create a design
 
Quinidex
cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias
 
quinine
a bitter alkaloid extracted from chinchona bark; used in malaria therapy
 
quipu
calculator consisting of a cord with attached cords; used by ancient Peruvians for calculating and keeping records
 
quirk
a narrow groove beside a beading
 
quirk molding
a molding having a small groove in it
 
quirt
whip with a leather thong at the end
 
quiver
case for holding arrows
 
quoit
game equipment consisting of a ring of iron or circle of rope used in playing the game of quoits
 
Quonset hut
a prefabricated hut of corrugated iron having a semicircular cross section
 
QWERTY keyboard
the standard typewriter keyboard; the keys for Q, W, E, R, T, and Y are the first six from the left on the top row of letter keys
 
R.V.
a motorized wheeled vehicle used for camping or other recreational activities
 
rabato
a wired or starched collar of intricate lace; worn in 17th century
 
rabbet joint
a joint formed by fitting together two rabbeted boards
 
rabbet
a rectangular groove made to hold two pieces together
 
rabbit ears
an indoor TV antenna; consists of two extendible rods that form a V
 
rabbit hutch
a hutch for rabbits
 
race car
a fast car that competes in races
 
race
a canal for a current of water
 
raceabout
a small sloop having the keep of a knockabout but with finer lines and carrying more sail
 
racecourse
a course over which races are run
 
rachet
mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
 
racing boat
a boat propelled by oarsmen and designed for racing
 
racing gig
a light narrow racing boat for two or more oarsmen
 
racing shell
a very light narrow racing boat
 
racing skate
an ice skate with a long blade; worn for racing
 
racing skiff
a shell for a single oarsman
 
racing yacht
an expensive vessel propelled by sail or power and used for cruising or racing
 
rack
framework for holding objects
 
rack and pinion
a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)
 
rack
a support for displaying various articles
 
rack
an instrument of torture that stretches or disjoints or mutilates victims
 
racket
a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games
 
racquetball
the ball used in playing the game of racquetball
 
radar dome
a housing for a radar antenna; transparent to radio waves
 
radial engine
an internal-combustion engine having cylinders arranged radially around a central crankcase
 
radial
pneumatic tire that has radial-ply casing
 
radiation pyrometer
a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
 
radiator
a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
 
radiator
heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
 
radiator cap
cap on the opening in the top of a radiator through which a coolant liquid can be added
 
radiator hose
a flexible hose between the radiator and the engine block
 
radio aerial
omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received
 
radio chassis
a chassis for a radio receiver
 
radio compass
a direction finder that gives a bearing by determining the direction of incoming radio signals
 
radio interferometer
radio telescope that uses interference patterns from two antennas instead of a parabolic antenna
 
radio reflector
astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources
 
radio station
station for the production and transmission of AM or FM radio broadcasts
 
radio transmitter
transmitter that is the part of a radio system that transmits signals
 
radio
an electronic receiver that detects and demodulates and amplifies transmitted signals
 
radio
a communication system based on broadcasting electromagnetic waves
 
radio-gramophone
electronic equipment consisting of a combination of a radio receiver and a record player
 
radiogram
a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
 
radiometer
meter to detect and measure radiant energy (electromagnetic or acoustic)
 
radiomicrometer
radiometer that is extremely sensitive
 
radiopharmaceutical
pharmaceutical consisting of a radioactive compound used in radiation therapy
 
radiophone
a telephone that communicates by radio waves rather than along cables
 
radiophoto
a photograph transmitted by radio waves
 
radiotelegraph
the use of radio to send telegraphic messages (usually by Morse code)
 
radiotherapy equipment
equipment used to treat diseases with x-rays or radioactivity
 
radius
support consisting of a radial member of a wheel joining the hub to the rim
 
raft
a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
 
rag doll
a cloth doll that is stuffed and (usually) painted
 
rag
a small piece of cloth or paper
 
ragbag
a bag in which rags are kept
 
raglan
a garment (coat or sweater) that has raglan sleeves
 
raglan sleeve
a sleeve that extends in one piece to the neckline of a coat or sweater with seams from the armhole to the neck
 
rail
a horizontal bar (usually of wood or metal)
 
rail
short for railway
 
rail fence
a fence (usually made of split logs laid across each other at an angle)
 
rail
a barrier consisting of a horizontal bar and supports
 
rail
a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
 
railhead
a railroad depot in a theater of operations where military supplies are unloaded for distribution
 
railhead
the end of the completed track on an unfinished railway
 
railing
material for making rails or rails collectively
 
railroad bed
a bed on which railroad track is laid
 
railroad flat
an apartment whose rooms are all in a line with doors between them
 
railroad siding
a short stretch of railroad track used to store rolling stock or enable trains on the same line to pass
 
railroad station
terminal where trains load or unload passengers or goods
 
railroad train
public transport provided by a line of railway cars coupled together and drawn by a locomotive
 
railroad tunnel
a tunnel through which the railroad track runs
 
railroad
line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
 
railroad
a line of track providing a runway for wheels
 
railway junction
a junction where two or more railway lines meet or cross
 
railway yard
an area having a network of railway tracks and sidings for storage and maintenance of cars and engines
 
rain barrel
a barrel used as a cistern to hold rainwater
 
rain stick
a percussion instrument that is made from a dried cactus branch that is hollowed out and filled with small pebbles and capped at both ends; makes the sound of falling rain when tilted; origin was in Chile where tribesmen used it in ceremonies to bring rain
 
raincoat
a water-resistant coat
 
rake
a long-handled tool with a row of teeth at its head; used to move leaves or loosen soil
 
rake handle
the handle of a rake
 
ram
a tool for driving or forcing something by impact
 
RAM
the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
 
RAM disk
(computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors
 
ramekin
a small fireproof dish used for baking and serving individual portions
 
rammer
a tool for driving something with force
 
ramp
a movable staircase that passengers use to board or leave an aircraft
 
rampant arch
an arch whose support is higher on one side than on the other
 
ramrod
a rod used to ram the charge into a muzzle-loading firearm
 
ramrod
a rod used to clean the barrel of a firearm
 
ranch house
a one story house with a low pitched roof
 
range
a place for shooting (firing or driving) projectiles of various kinds
 
range finder
a measuring instrument (acoustic or optical or electronic) for finding the distance of an object
 
range hood
exhaust hood over a kitchen range
 
rapier
a straight sword with a narrow blade and two edges
 
rappee
strong snuff made from dark coarse tobacco
 
rariora
(plural) rare collector's items
 
rasp
a coarse file with sharp pointed projections
 
raster
the rectangular formation of parallel scanning lines that guide the electron beam on a television screen or a computer monitor
 
rat
a pad (usually made of hair) worn as part of a woman's coiffure
 
rat-tail file
a thin round file shaped like the tail of a rat
 
ratan
a switch made from the stems of the rattan palms
 
ratchet screwdriver
a screwdriver with a ratchet (so the blade turns in only one direction) and a spiral in the handle (so the blade rotates) with downward pressure on the handle
 
ratchet wheel
toothed wheel held in place by a pawl or detent and turned by a lever
 
rathole
a small dirty uncomfortable room
 
rathskeller
a tavern below street level featuring beer; originally a German restaurant in the basement of city hall
 
ratlin
(nautical) a small horizontal rope between the shrouds of a sailing ship; they form a ladder for climbing aloft
 
rattle
a baby's toy that makes percussive noises when shaken
 
rattrap
a trap for catching rats
 
rattrap
filthy run-down dilapidated housing
 
Raudixin
antihypertensive consisting of an alkaloid extracted from the plant Rauwolfia serpentina (trade names Raudixin or Rau-Sed or Sandril or Serpasil)
 
ravehook
a hooked hand tool used to prepare the seams of a boat for oakum
 
Rayleigh disk
an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity
 
rayon
a synthetic silklike fabric
 
razor
edge tool used in shaving
 
razor edge
an edge that is as sharp as the cutting side of a razor
 
razorblade
a blade that has very sharp edge
 
reaction engine
a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
 
reaction turbine
a turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust
 
reactor
an electrical device used to introduce reactance into a circuit
 
read-only memory chip
a memory chip providing read-only memory
 
reading lamp
a lamp that provides light for reading
 
reading room
a room set aside for reading
 
readout
an electronic device the displays information in a visual form
 
ready-made
a manufactured artifact (as a garment or piece of furniture) that is made in advance and available for purchase
 
ready-to-wear
ready-made clothing
 
real storage
the main memory in a virtual memory system
 
reamer
a drill that is used to shape or enlarge holes
 
reap hook
an edge tool for cutting grass or crops; has a curved blade and a short handle
 
rear lamp
lamp (usually red) mounted at the rear of a motor vehicle
 
rear window
car window that allows vision out of the back of the car
 
rearview mirror
car mirror that reflects the view out of the rear window
 
Reaumur thermometer
an alcohol thermometer calibrated in degrees Reaumur
 
rebozo
a long woolen or linen scarf covering the head and shoulders (also used as a sling for holding a baby); traditionally worn by Latin-American women
 
rec room
a room equipped for informal entertaining
 
recap
a used automobile tire that has been remolded to give it new treads
 
receiver
set that receives radio or tv signals
 
receiver
earphone that converts electrical signals into sounds
 
receptacle
a container that is used to put or keep things in
 
receptacle
an electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insert
 
reception desk
a counter (as in a hotel) where guests are received
 
reception room
a room for receiving and entertaining visitors (as in a private house or hotel)
 
reciprocating engine
an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders
 
reconnaissance plane
a military airplane used to gain information about an enemy
 
reconnaissance vehicle
fast armored military vehicle with four-wheel drive and open top
 
record cover
a sleeve for storing a phonograph record
 
record jacket
the jacket for a phonograph record
 
recorder
equipment for making records
 
recording
a signal that encodes something (e.g., picture or sound) that has been recorded
 
recording
a storage device on which information (sounds or images) have been recorded
 
recording studio
studio where tapes and records are recorded
 
recording system
audio system for recoding sound
 
recovery room
a hospital room for the care of patients immediately after surgery
 
recreation facility
a public facility for recreation
 
recreational drug
a narcotic drug that is used only occasionally and is claimed to be nonaddictive
 
rectifier
electrical device that transforms alternating into direct current
 
recycling bin
a bin for depositing things to be recycled
 
recycling plant
a plant for reprocessing used or abandoned materials
 
red carpet
a strip of red carpeting laid down for dignitaries to walk on
 
redbrick university
(British informal) a provincial British university of relatively recent founding; distinguished from Oxford University and Cambridge University
 
redoubt
an entrenched stronghold or refuge
 
redoubt
(military) a temporary or supplementary fortification; typically square or polygonal without flanking defenses
 
reducer
pipefitting that joins two pipes of different diameter
 
reduction gear
gearing that reduces an input speed to a slower output speed
 
reed pipe
organ pipe with a vibrating reed
 
reed stop
an organ stop with the tone of a reed instrument
 
reed
a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it
 
reef
one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind
 
reel
winder consisting of a revolving spool with a handle; attached to a fishing rod
 
reel
a roll of photographic film holding a series of frames to be projected by a movie projector
 
refectory
a communal dining-hall (usually in a monastery)
 
refectory table
a long narrow dining table supported by a stretcher between two trestles
 
reference grid
a pattern of horizontal and vertical lines that provide coordinates for locating points on an image or a map
 
refill
a commercial product that refills a container with its appropriate contents
 
refill
a prescription drug that is provided again
 
refinery
an industrial plant for purifying a crude substance
 
reflecting telescope
optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
 
reflection
the image of something as reflected by a mirror (or other reflective material)
 
reflectometer
a meter that measures the reflectance of a surface
 
reflector
device that reflects radiation
 
reflex camera
camera that allows the photographer to view and focus the exact scene being photographed
 
reflux condenser
condenser such that vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dry
 
reform school
correctional institution for the detention and discipline and training of young or first offenders
 
reformer
an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel
 
refracting telescope
optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
 
refractometer
measuring instrument for measuring the refractive index of a substance
 
refrigeration system
a cooling system for chilling or freezing (usually for preservative purposes)
 
refrigerator car
a freight car that is equipped with refrigeration system
 
regalia
paraphernalia indicative of royalty (or other high office)
 
regimentals
the military uniform and insignia of a regiment
 
register
a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
 
register
an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
 
register
(computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
 
regulator
any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
 
rein
one of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
 
reinforcement
a device designed to provide additional strength
 
Relafen
a nonsteroidal anti-inflammatory drug (trade name Relafen)
 
relaxant
a drug that relaxes and relieves tension
 
release
merchandise issued for sale or public showing (especially a record or film)
 
relic
an antiquity that has survived from the distant past
 
reliquary
a container where religious relics are stored or displayed (especially relics of saints)
 
remake
creation that is created again or anew
 
Remicade
an anti-TNF compound (trade name Remicade) consisting of an antibody directed against TNF; it is given intravenously at one-month to three-month intervals; used in treatment of regional enteritis and rheumatoid arthritis
 
remise
an expensive or high-class hackney
 
remote
a device that can be used to control a machine or apparatus from a distance
 
remote-control bomb
a bomb that can be detonated by remote control
 
removable disk
a hard disk that can be removed from the disk drive; removal prevents unauthorized use
 
rendering
perspective drawing of an architect's design
 
rendering
a coat of stucco applied to a masonry wall
 
rep
a fabric with prominent rounded crosswise ribs
 
repeater
(electronics) electronic device that amplifies a signal before transmitting it again
 
repeater
a firearm that can fire several rounds without reloading
 
repertory
a storehouse where a stock of things is kept
 
replica
copy that is not the original; something that has been copied
 
representation
a creation that is a visual or tangible rendering of someone or something
 
reproducer
an audio system that can reproduce and amplify signals to produce sound
 
rerebrace
cannon that provides plate armor for the upper arm
 
Rescriptor
a non-nucleoside reverse transcriptase inhibitor (trade name Rescriptor) used to treat AIDS and HIV
 
rescue equipment
equipment used to rescue passengers in case of emergency
 
research center
a center where research is done
 
research rocket
a rocket fired for test purposes
 
reseau
a network of fine lines used by astronomers as a reference for measurements on star photographs
 
reseau
a net or mesh foundation for lace
 
reservoir
tank used for collecting and storing a liquid (as water or oil)
 
reset
device for resetting instruments or controls
 
reset button
a push button that you press to activate the reset mechanism
 
residence
the official house or establishment of an important person (as a sovereign or president)
 
resistance pyrometer
pyrometer that measures high temperatures by the resistance in a heated wire
 
resistance
an electrical device that resists the flow of electrical current
 
resonant circuit
an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
 
resonator
any system that resonates
 
resort hotel
a fashionable hotel usually in a resort area
 
rest
a support on which things can be put
 
rest house
a building used for shelter by travelers (especially in areas where there are no hotels)
 
restoration
a model that represents the landscape of a former geological age or that represents and extinct animal etc.
 
restoration
some artifact that has been restored or reconstructed
 
restorative
a medicine that strengthens and invigorates
 
Restoril
a frequently prescribed benzodiazepine (trade name Restoril); takes effect slowly and lasts long enough to help those people who wake up frequently during the night
 
resuscitator
a breathing apparatus used for resuscitation by forcing oxygen into the lungs of a person who has undergone asphyxia or arrest of respiration
 
retainer
a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
 
retaining wall
a wall that is built to resist lateral pressure (especially a wall built to prevent the advance of a mass of earth)
 
reticulation
an arrangement resembling a net or network
 
reticule
a woman's drawstring handbag; usually made of net or beading or brocade; used in 18th and 19th centuries
 
retort
a vessel where substances are distilled or decomposed by heat
 
retractor
surgical instrument that holds back the edges of a surgical incision
 
retrenchment
entrenchment consisting of an additional interior fortification to prolong the defense
 
retrofit
a component or accessory added to something after it has been manufactured
 
retrorocket
a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
 
Retrovir
an antiviral drug (trade name Retrovir) used in the treatment of AIDS; adverse side effects include liver damage and suppression of the bone marrow
 
return
the key on electric typewriters or computer keyboards that causes a carriage return and a line feed
 
reverberatory furnace
a furnace in which the material that is being treated is heated indirectly by flames that are directed at the roof and walls of the furnace
 
revere
a lapel on a woman's garment; turned back to show the reverse side
 
reverse transcriptase inhibitor
an antiviral drug that inhibits the action of reverse transcriptase in retroviruses such as HIV
 
reverse
the gears by which the motion of a machine can be reversed
 
reverse
the side of a coin or medal that does not bear the principal design
 
reversible
a garment (especially a coat) that can be worn inside out (with either side of the cloth showing)
 
reversing thermometer
a thermometer that registers the temperature in deep waters
 
revetement
a facing (usually masonry) that supports an embankment
 
revetment
a barrier against explosives
 
reviewing stand
a stand from which a parade or military force can be reviewed
 
revolver
a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
 
revolver
a pistol with a revolving cylinder (usually having six chambers for bullets)
 
rheometer
an instrument for measuring the flow of liquids (especially arterial blood)
 
rheostat
resistor for regulating current
 
rhinoscope
medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx)
 
rib
support resembling the rib of an animal
 
rib
a projecting molding on the underside of a vault or ceiling; may be ornamental or structural
 
rib joint pliers
a type of pliers
 
riband
a ribbon used as a decoration
 
ribbed vault
vault that resembles a groined vault but has ribbed arches
 
ribbing
a framework of ribs
 
ribbon
notion consisting of a narrow strip of fine material used for trimming
 
ribbon development
building complex in a continuous row along a road
 
ribbon
a long strip of inked material for making characters on paper with a typewriter
 
ricer
a kitchen utensil used for ricing soft foods by extruding them through small holes
 
rickrack
a narrow zigzag ribbon used as trimming
 
riddle
a coarse sieve (as for gravel)
 
ride
a mechanical device that you ride for amusement or excitement
 
rider plate
a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson
 
ridge rope
either of a pair of lifelines running alongside the bowsprit of a ship
 
ridge
a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
 
riding bitt
one of the large bitts used to secure the cable of a dropped anchor
 
riding boot
a boot without laces that is worn for riding horses; part of a riding habit
 
riding mower
a power mower you can ride on
 
rifle
a shoulder firearm with a long barrel and a rifled bore
 
rifle ball
a bullet designed to be fired from a rifle; no longer made spherical in shape
 
rifle butt
the butt end of a rifle
 
rifle grenade
a grenade that is thrown from a launching device attached to the barrel of a rifle
 
rifle range
a range where people can practice shooting rifles
 
rig
gear (including necessary machinery) for a particular enterprise
 
rig
formation of masts, spars, sails, etc., on a vessel
 
rigger
a sailing vessel with a specified rig
 
rigger
a long slender pointed sable brush used by artists
 
rigging
gear consisting of ropes etc. supporting a ship's masts and sails
 
right of way
the passage consisting of a path or strip of land over which someone has the legal right to pass
 
right
the piece of ground in the outfield on the catcher's right
 
rigout
a person's costume (especially if bizarre)
 
rim
the outer part of a wheel to which the tire is attached
 
rim
(basketball) the hoop from which the net is suspended
 
Rimactane
an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis
 
ring
a platform usually marked off by ropes in which contestants box or wrestle
 
ringlet
a small ring
 
rings
gymnastic apparatus consisting of a pair of heavy metal circles (usually covered with leather) suspended by ropes; used for gymnastic exercises
 
ringside
first row of seating; has an unobstructed view of a boxing or wrestling ring
 
rink
building that contains a surface for ice skating or roller skating
 
riot gun
a firearm designed to disperse rioters rather than to inflict serious injury or death
 
ripcord
a cord that is pulled to open a parachute from its pack during a descent
 
ripcord
a cord that is pulled to open the gasbag of a balloon wide enough to release gas and so causes the balloon to descend
 
ripping bar
a steel lever with one end formed into a ripping chisel and the other a gooseneck with a claw for pulling nails
 
ripping chisel
a long chisel with a slightly bent cutting end; used for heavy prying or cleaning mortises
 
ripsaw
a handsaw for cutting with the grain of the wood
 
riser
structural member consisting of the vertical part of a stair or step
 
riser
a vertical pipe in a building
 
Ritalin
central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children
 
Ritz
an ostentatiously elegant hotel
 
river boat
a boat used on rivers or to ply a river
 
rivet
heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together
 
rivet line
a line of rivets at a seam
 
rivet
ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
 
riveter
a machine for driving rivets
 
roach
the butt of a marijuana cigarette
 
roach clip
metal tweezers used by marijuana smokers to hold a roach
 
road map
a map showing roads (for automobile travel)
 
road roller
vehicle equipped with heavy wide smooth rollers for compacting roads and pavements
 
road surface
the paved surface of a paved roadway
 
road
an open way (generally public) for travel or transportation
 
roadbed
a bed supporting a road
 
roadhouse
an inn (usually outside city limits on a main road) providing meals and liquor and dancing and (sometimes) gambling
 
roadside
edge of a way or road or path
 
roadster
an open automobile having a front seat and a rumble seat
 
roadway
a road (especially that part of a road) over which vehicles travel
 
roaster
a special cooking pan for roasting
 
Robaxin
muscle relaxant for skeletal muscles (trade name Robaxin) used to treat spasms
 
robe
any loose flowing garment
 
Robitussin
trade name of an expectorant that loosens phlegm and makes it easier to cough up
 
robotics equipment
equipment used in robotics
 
Rocephin
a parenteral cephalosporin (trade name Rocephin) used for severe infection of the lungs or throat or ears or urinary tract
 
rock bit
a drill bit that has hardened rotating rollers
 
rock garden
a garden featuring rocks; usually alpine plants
 
rocker
a curved support that permits the supported object to rock to and fro
 
rocker
an ice skate with a curved blade
 
rocker arm
a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
 
rocker
a chair mounted on rockers
 
rocket base
a military base for rocket missiles
 
rocket range
a firing range for rocket missiles
 
rocket
a jet engine containing its own propellant and driven by reaction propulsion
 
rocket
sends a firework display high into the sky
 
rod
a long thin implement made of metal or wood
 
rodeo
an enclosure for cattle that have been rounded up
 
Rogaine
a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness
 
Rohypnol
a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia
 
roll
anything rolled up in cylindrical form
 
roll
photographic film rolled up inside a container to protect it from light
 
roll film
photographic film wound on a spool
 
roll of tobacco
tobacco leaves that have been made into a cylinder
 
roll-on
a woman's foundation garment rolled on to the hips
 
roll-on
a dispenser of a liquid cosmetic (such as a deodorant) having a revolving ball as an applicator
 
roll-on roll-off
a method of transport (as a ferry or train or plane) that vehicles roll onto at the beginning and roll off of at the destination
 
roller
a cylinder that revolves
 
roller
a small wheel without spokes (as on a roller skate)
 
roller bandage
bandage consisting of a strip of sterile fabric (of variable width) rolled into a cylinder to facilitate application
 
roller blind
a window shade that rolls up out of the way
 
roller skate
a shoe with pairs of rollers fixed to the sole
 
roller towel
a towel with the ends sewn together, hung on a roller
 
Rollerblade
(trademark) an in-line skate
 
rolling hitch
a hitch for fastening a line to a spar or another rope
 
rolling mill
steel mill where metal is rolled into sheets and bars
 
rolling pin
utensil consisting of a cylinder (usually of wood) with a handle at each end; used to roll out dough
 
rolling stock
collection of wheeled vehicles owned by a railroad or motor carrier
 
Rolodex
(trademark) a desktop rotary card index with removable cards; usually used for names, addresses, and telephone numbers
 
ROM
(computer science) memory whose contents can be accessed and read but cannot be changed
 
Roman arch
a round arch drawn from a single center
 
Roman basilica
a Roman building used for public administration
 
Roman building
a building constructed by the ancient Romans
 
Roman candle
a cylindrical firework that projects a series of colored balls of fire
 
Roman collar
a stiff white collar with no opening in the front; a distinctive symbol of the clergy
 
romper
a one-piece garment for children to wear at play; the lower part is shaped like bloomers
 
Roneograph
a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)
 
rood screen
a screen in a church; separates the nave from the choir or chancel
 
roof
a protective covering that covers or forms the top of a building
 
roof
protective covering on top of a motor vehicle
 
roof garden
a garden on a flat roof of a building
 
roof peak
the highest point of a roof
 
roofing
material used to construct a roof
 
room
an area within a building enclosed by walls and floor and ceiling
 
room light
light that provides general illumination for a room
 
roomette
a small private compartment for one on a sleeping car
 
rooms
apartment consisting of a series of connected rooms used as a living unit (as in a hotel)
 
roost
a perch on which domestic fowl rest or sleep
 
roost
a shelter with perches for fowl or other birds
 
rope
a strong line
 
rope bridge
a bridge consisting of ropes
 
rope ladder
a ladder with side pieces of rope
 
rope tow
a ski tow offering only a moving rope to hold onto
 
rope yard
workplace consisting of a long narrow path or shed where rope is made
 
rope yarn
the strands out of which ropes are made
 
rose garden
a garden for growing roses
 
rose water
perfume consisting of water scented with oil of roses
 
rose window
circular window filled with tracery
 
rosemaling
a Scandinavian style of carved or painted decoration (as on furniture or walls or dinnerware) consisting of floral motifs
 
rosette
an ornament or pattern resembling a rose that is worn as a badge of office or as recognition of having won an honor
 
rosin bag
a bag filled with rosin; used by baseball pitchers to improve their grip on the ball
 
rotary engine
an internal-combustion engine in which power is transmitted directly to rotating components
 
rotary press
a printing press for printing from a revolving cylinder
 
rotary wing
the long airfoil that rotates to provide the lift that supports a helicopter in the air
 
rotary
electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa
 
rotating mechanism
a mechanism that rotates
 
rotating shaft
a revolving rod that transmits power or motion
 
rotisserie
a restaurant that specializes in roasted and barbecued meats
 
rotisserie
an oven or broiler equipped with a rotating spit on which meat cooks as it turns
 
rotor
rotating mechanism consisting of an assembly of rotating airfoils
 
rotor
the revolving bar of a distributor
 
rotor head
the axis around which the major rotor of a helicopter turns
 
rotor
the rotating armature of a motor or generator
 
rotunda
a large circular room
 
rotunda
a building having a circular plan and a dome
 
roughcast
a rough preliminary model
 
rouleau
a roll of coins wrapped in paper
 
rouleau
a roll of ribbon
 
roulette ball
the ball used to play roulette
 
roulette wheel
game equipment consisting of a wheel with slots that is used for gambling; the wheel rotates horizontally and players bet on which slot the roulette ball will stop in
 
roulette
a wheel with teeth for making a row of perforations
 
round arch
an arch formed in a continuous curve; characteristic of Roman architecture
 
round file
a file with a circular cross section; used to file the inside of holes
 
round
a crosspiece between the legs of a chair
 
round-bottom flask
a spherical flask with a narrow neck
 
roundel
round piece of armor plate that protects the armpit
 
roundel
(heraldry) a charge in the shape of a filled circle
 
rounder
a tool for rounding corners or edges
 
roundhouse
workplace consisting of a circular building for repairing locomotives
 
router
a power tool with a shaped cutter; used in carpentry for cutting grooves
 
router
(computer science) a device that forwards data packets between computer networks
 
router plane
a woodworking plane with a narrow cutting head that will make grooves with smooth bottoms
 
row house
a house that is one of a row of identical houses situated side by side and sharing common walls
 
row of bricks
a course of bricks place next to each other (usually in a straight line)
 
rowel
a small spiked wheel at the end of a spur
 
rowing boat
a rowboat
 
rowlock arch
an arch that is formed with more than one concentric row of voussoirs
 
royal
a sail set next above the topgallant on a royal mast
 
royal brace
a brace to secure the royal mast
 
royal mast
topmast immediately above the topgallant mast
 
RU 486
an abortion-inducing drug (trade name RU 486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo
 
rubber bullet
a bullet made of hard rubber; designed for use in crowd control
 
rubbing
representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal
 
rubbing alcohol
lotion consisting of a poisonous solution of isopropyl alcohol or denatured ethanol alcohol for external use
 
rubefacient
a medicine for external application that produces redness of the skin
 
rudder
(nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel
 
rudder
a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes
 
rudder blade
the vertical blade on a rudder
 
rudderpost
a vertical post at the forward edge of a rudder that enables the rudder to pivot
 
rue
(French) a street or road in France
 
rugby ball
inflated oval ball used in playing rugby
 
ruin
a ruined building
 
rule
measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
 
rumble
a servant's seat (or luggage compartment) in the rear of a carriage
 
rumble seat
a folding outside seat in the back of some early cars
 
rummer
a large drinking glass (ovoid bowl on a stem) for drinking toasts
 
runcible spoon
a fork-like spoon with a cutting edge; coined by Edward Lear
 
rundle
one of the crosspieces that form the steps of a ladder
 
runner
device consisting of the parts on which something can slide along
 
runner
a long narrow carpet
 
running board
a narrow footboard serving as a step beneath the doors of some old cars
 
running light
light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow
 
running shoe
a light comfortable shoe designed for running
 
running stitch
small, even, hand stitches run in and out
 
running suit
a matching jacket and pants worn by joggers and made of fabric that absorbs perspiration
 
runway
a strip of level paved surface where planes can take off and land
 
runway
a narrow platform extending from the stage into the audience in a theater or nightclub etc.
 
runway
a chute down which logs can slide
 
rush candle
a tallow candle with a rush stem as the wick
 
russet
a reddish brown homespun fabric
 
rya
a shag rug made in Sweden
 
S wrench
a wrench with an S-shaped handle
 
S.U.V.
a high-performance four-wheel drive car built on a truck chassis
 
sabaton
armor plate that protects the foot; consists of mail with a solid toe and heel
 
saber
a fencing sword with a v-shaped blade and a slightly curved handle
 
Sabin vaccine
an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
 
sable
a scarf (or trimming) made of sable
 
sable coat
a fur coat made of sable furs
 
sable
an artist's brush made of sable hairs
 
sabot
a shoe carved from a single block of wood
 
sachet
a small soft bag containing perfumed powder; used to perfume items in a drawer or chest
 
sack coat
man's hiplength coat with a straight back; the jacket of a suit
 
sack
a woman's full loose hiplength jacket
 
sackbut
a medieval musical instrument resembling a trombone
 
sackcloth
a coarse cloth resembling sacking
 
sackcloth
a garment made of coarse sacking; formerly worn as an indication of remorse
 
sacristy
a room in a church where sacred vessels and vestments are kept or meetings are held
 
saddle
a seat for the rider of a horse or other animal
 
saddle
a piece of leather across the instep of a shoe
 
saddle oxford
an oxford with a saddle of contrasting color
 
saddle seat
a chair seat that is slightly concave and sometimes has a thickened ridge in the center
 
saddle stitch
a decorative overcast or running stitch, especially in a contrasting color
 
saddlebag
a large bag (or pair of bags) hung over a saddle
 
saddlery
workshop where a saddler works
 
saddlery
gear for a horse
 
safe
strongbox where valuables can be safely kept
 
safe
a ventilated or refrigerated cupboard for securing provisions from pests
 
safe house
a house used as a hiding place or refuge by members of certain organizations
 
safehold
a refuge from attack
 
safety arch
an undecorated arch that is included in order to strengthen or support a construction
 
safety bicycle
bicycle that has two wheels of equal size; pedals are connected to the rear wheel by a multiplying gear
 
safety bolt
a bolt that cannot be moved from outside the door or gate
 
safety catch
guard consisting of a locking device that prevents a weapon from being fired
 
safety curtain
a fireproof theater curtain to be dropped in case of fire
 
safety fuse
a slow-burning fuse consisting of a tube or cord filled or saturated with combustible matter; used to ignite detonators from a distance
 
safety island
a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians
 
safety net
a large strong net to catch circus acrobats who fall or jump from a trapeze
 
safety pin
a pin in the form of a clasp; has a guard so the point of the pin will not stick the user
 
safety razor
a razor with a guard to prevent deep cuts in the skin
 
sail
any structure that resembles a sail
 
sailboat
a small sailing vessel; usually with a single mast
 
sailcloth
a strong fabric (such as cotton canvas) used for making sails and tents
 
sailing ship
a vessel that is powered by the wind; often having several masts
 
sailing warship
a warship that was powered by sails and equipped with many heavy guns; not built after the middle of the 19th century
 
sailor cap
a cap worn by sailors
 
sailor suit
a boy's ensemble; copied from a sailor's uniform
 
Saint Lawrence Seaway
a seaway involving the Saint Lawrence River and the Great Lakes that was developed jointly by Canada and the United States; oceangoing ships can travel as far west as Lake Superior
 
salad bar
a bar where diners can assemble a salad to their own taste
 
salad bowl
a large bowl for mixing and serving a salad
 
salad bowl
a plate or bowl for individual servings of salad
 
salad fork
a fork intended for eating salads
 
salade
a light medieval helmet with a slit for vision
 
saleroom
an area where merchandise (such as cars) can be displayed
 
sales booth
a booth where articles are displayed for sale
 
salinometer
a hydrometer that determines the concentration of salt solutions by measuring their density
 
Salk vaccine
a poliovirus vaccine consisting of inactivated polio virus that is injected subcutaneously to provide immunity to poliomyelitis
 
salon
elegant sitting room where guests are received
 
salon
gallery where works of art can be displayed
 
saloon
a car that is closed and that has front and rear seats and two or four doors
 
salt mine
a mine where salt is dug
 
salt shaker
a shaker with a perforated top for sprinkling salt
 
saltbox
a type of house built in New England; has two stories in front and one behind
 
saltcellar
a small container for holding salt at the dining table
 
saltworks
a plant where salt is produced commercially
 
salver
a tray (or large plate) for serving food or drinks; usually made of silver
 
salvinorin
a hallucinogen obtained from Salvia divinorum
 
salwar
a pair of light loose trousers with a tight fit around the ankles; worn by women from the Indian subcontinent (usually with a kameez)
 
Salyut
either of two Soviet space stations launched in the 1970s
 
SAM
a guided missile fired from land or shipboard against an airborne target
 
Sam Browne belt
leather belt supported by a strap over the right shoulder
 
Samian ware
earthenware made from the reddish-brown clay found on the Aegean island of Lemnos
 
samisen
a Japanese stringed instrument resembling a banjo with a long neck and three strings and a fretted fingerboard and a rectangular soundbox; played with a plectrum
 
samite
a heavy silk fabric (often woven with silver or gold threads); used to make clothing in the Middle Ages
 
samovar
a metal urn with a spigot at the base; used in Russia to boil water for tea
 
sampan
an Asian skiff usually propelled by two oars
 
sampler
a piece of embroidery demonstrating skill with various stitches
 
sampler
an observation station that is set up to make sample observations of something
 
sanatarium
a hospital for recuperation or for the treatment of chronic diseases
 
sanctuary
a consecrated place where sacred objects are kept
 
sand painting
a painting done by Amerindians (especially Navaho); made of fine colored sands on a neutral background
 
sand wedge
a wedge used to get out of sand traps
 
sandal
a shoe consisting of a sole fastened by straps to the foot
 
sandbag
a bag filled with sand; used as a weapon or to build walls or as ballast
 
sandblaster
a tool that throws out a blast of steam laden with sand; used to clean or grind hard surfaces
 
sandbox
mold consisting of a box with sand shaped to mold metal
 
sandbox
a plaything consisting of a pile of sand or a box filled with sand for children to play in
 
sandglass
timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage
 
sandwich board
signboard consisting of two hinged boards that hang front and back from the shoulders of a walker and are used to display advertisements
 
Sanson-Flamsteed projection
an equal-area map projection showing parallels and the equator as straight lines and other meridians as curved; used to map tropical latitudes
 
Santa Fe Trail
a trail that extends from Missouri to New Mexico; an important route for settlers moving west in the 19th century
 
Sarafem
a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade names Prozac or Sarafem); it is thought to work by increasing the activity of serotonin in the brain
 
Saran Wrap
a thin plastic film made of saran (trade name Saran Wrap) that sticks to itself; used for wrapping food
 
sarape
a long brightly colored shawl; worn mainly by Mexican men
 
sarcenet
a fine soft silk fabric often used for linings
 
sarcophagus
a stone coffin (usually bearing sculpture or inscriptions)
 
saree
a dress worn primarily by Hindu women; consists of several yards of light material that is draped around the body
 
sarong
a loose skirt consisting of brightly colored fabric wrapped around the body; worn by both women and men in the South Pacific
 
sash cord
a strong cord connecting a sash weight to a sliding sash
 
sash fastener
a lock attached to the sashes of a double hung window that can fix both in the shut position
 
sash weight
a counterweight for a sliding sash
 
sash window
a window with (usually two) sashes that slide vertically to let in air
 
sash
a framework that holds the panes of a window in the window frame
 
satchel
luggage consisting of a small case with a flat bottom and (usually) a shoulder strap
 
sateen
a cotton fabric with a satiny finish
 
satellite receiver
a receiver on a communications satellite
 
satellite transmitter
a transmitter on a communications satellite
 
satellite TV
a television system in which the signal is transmitted to an orbiting satellite that receives the signal and amplifies it and transmits it back to earth
 
satin
a smooth fabric of silk or rayon; has a glossy face and a dull back
 
satin stitch
flat stitches worked so closely as to resemble satin
 
satin weave
a weave in which the filling and warp threads intersect in such a way as to give a smooth compact surface with no distinguishable twill line
 
satinet
a fabric with a finish resembling satin but made partly or wholly from cotton or synthetic fiber
 
Saturday night special
a cheap handgun that is easily obtained
 
saucepan
a deep pan with a handle; used for stewing or boiling
 
saucepot
a cooking pot that has handles on either side and tight fitting lid; used for stewing or boiling
 
saucer
a small shallow dish for holding a cup at the table
 
sauna
a Finnish steam bath; steam is produced by pouring water over heated rocks
 
save-all
a net hung between ship and pier while loading a ship
 
save-all
a sail set to catch wind spilled from a larger sail
 
save-all
a receptacle for catching waste products for further use
 
saw
hand tool having a toothed blade for cutting
 
saw set
a tool used to bend each alternate sawtooth at a slight angle outward
 
sawdust doll
a doll that is stuffed with sawdust
 
sawdust saloon
a saloon whose floor is covered with sawdust
 
sawed-off shotgun
a shotgun with short barrels
 
sawmill
a large sawing machine
 
sawtooth
a serration on a saw blade
 
sax
a single-reed woodwind with a conical bore
 
saxhorn
any of a family of brass wind instruments that resemble a bugle with valves
 
scabbard
a sheath for a sword or dagger or bayonet
 
scaffold
a temporary arrangement erected around a building for convenience of workers
 
scaffold
a platform from which criminals are executed (hanged or beheaded)
 
scaffolding
a system of scaffolds
 
scale
an indicator having a graduated sequence of marks
 
scale
a measuring instrument for weighing; shows amount of mass
 
scaler
an electronic pulse counter used to count pulses that occur too rapidly to be recorded individually
 
scaling ladder
a ladder used to scale walls (as in an attack)
 
scalpel
a thin straight surgical knife used in dissection and surgery
 
scanner
a radar dish that rotates or oscillates in order to scan a broad area
 
scantling
an upright in house framing
 
scape
(architecture) upright consisting of the vertical part of a column
 
scapular
garment consisting of a long wide piece of woolen cloth worn over the shoulders with an opening for the head; part of a monastic habit
 
scarf
a garment worn around the head or neck or shoulders for warmth or decoration
 
scarf bandage
bandage to support an injured forearm; consisting of a wide triangular piece of cloth hanging from around the neck
 
scarf
a joint made by notching the ends of two pieces of timber or metal so that they will lock together end-to-end
 
scarfpin
a pin used to hold the tie in place
 
scatter pin
small pin usually worn in groups of two or more
 
scatter rug
a small rug; several can be used in a room
 
scattergun
firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges
 
scauper
a graver used to scoop out broad areas when engraving wood or metal
 
scene
the painted structures of a stage set that are intended to suggest a particular locale
 
scene
graphic art consisting of the graphic or photographic representation of a visual percept
 
scenic railway
small railway in an amusement park
 
scheduler
computer hardware that arranges jobs to be done by the computer in an appropriate order
 
schematic
diagram of an electrical or mechanical system
 
Schmidt telescope
reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed
 
school bell
a bell rung to announce beginning or ending of class
 
school bus
a bus used to transport children to or from school
 
school crossing
a pedestrian crossing where school children cross a street on the way to school
 
school ship
a ship used to train students as sailors
 
school system
establishment including the plant and equipment for providing education from kindergarten through high school
 
school
a building where young people receive education
 
schoolbag
a bag for carrying school books and supplies
 
schooner
sailing vessel used in former times
 
schooner
a large beer glass
 
science museum
a museum that collects and displays objects having scientific interest
 
scientific instrument
an instrument used by scientists
 
scimitar
a curved oriental saber; the edge is on the convex side of the blade
 
scintillation counter
counter tube in which light flashes when exposed to ionizing radiation
 
sclerometer
a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
 
scoinson arch
an arch that supports part of the wall
 
sconce
a decorative wall bracket for holding candles or other sources of light
 
sconce
a candle or flaming torch secured in a sconce
 
sconce
a small fort or earthwork defending a ford, pass, or castle gate
 
sconce
a shelter or screen providing protection from enemy fire or from the weather
 
scoop
a large ladle
 
scoop
the shovel or bucket of a dredge or backhoe
 
scooter
child's two-wheeled vehicle operated by foot
 
scooter
a motorboat resembling a motor scooter
 
scope
a magnifier of images of distant objects
 
scoreboard
a large board for displaying the score of a contest (and some other information)
 
Scotch tape
transparent or semitransparent adhesive tape (trade names Scotch tape and Sellotape) used for sealing or attaching or mending
 
scouring pad
a small abrasive cleaning pad used for scouring pots and pans
 
scow
a barge carrying bulk materials in an open hold
 
scow
any of various flat-bottomed boats with sloping ends
 
scrambler
electronic equipment that makes speech unintelligible during transmission and restores it at reception
 
scrap
a small piece of something that is left over after the rest has been used
 
scrapbook
an album into which clippings or notes or pictures can be pasted
 
scraper
any of various hand tools for scraping
 
scratch awl
a sharp-pointed awl for marking wood or metal to be cut
 
scratcher
a device used for scratching
 
scratchpad
(computer science) a high-speed internal memory used for temporary storage of preliminary information
 
screed
an accurately levelled strip of material placed on a wall or floor as guide for the even application of plaster or concrete
 
screen
a protective covering consisting of netting; can be mounted in a frame
 
screen
partition consisting of a decorative frame or panel that serves to divide a space
 
screen door
a door that consists of a frame holding metallic or plastic netting; used to allow ventilation and to keep insects from entering a building through the open door
 
screen saver
(computer science) a moving design that appears on a computer screen when there has been no input for a specified period of time
 
screen
a strainer for separating lumps from powdered material or grading particles
 
screening
fabric of metal or plastic mesh
 
screw
a fastener with a tapered threaded shank and a slotted head
 
screw
a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole
 
screw eye
a woodscrew having its shank bent into a ring
 
screw key
a wrench for turning a screw
 
screw thread
the raised helical rib going around a screw
 
screw wrench
adjustable wrench that has one jaw that can be adjusted by turning a screw
 
screw
a propeller with several angled blades that rotates to push against water or air
 
screwdriver
a hand tool for driving screws; has a tip that fits into the head of a screw
 
screwtop
the top of a container that must be screwed off and on
 
scribing block
gauge consisting of a scriber mounted on an adjustable stand; used to test the accuracy of plane surfaces
 
scrim
a firm open-weave fabric used for a curtain in the theater
 
scrimshaw
a carving (or engraving) on whalebone, whale ivory, walrus tusk, etc., usually by American whalers
 
scriptorium
a room in a monastery that is set aside for writing or copying manuscripts
 
scrub brush
a brush with short stiff bristles for heavy cleaning
 
scrub plane
a narrow woodworking plane used to cut away excess stock
 
scrubber
a purifier that removes impurities from a gas
 
SCSI
interface consisting of a standard port between a computer and its peripherals that is used in some computers
 
scuffer
a lightweight flexible sandal with a sturdy sole; worn as play shoes by children and as sportswear by adults
 
scull
a racing shell that is propelled by sculls
 
scull
each of a pair of short oars that are used by a single oarsman
 
scull
a long oar that is mounted at the stern of a boat and moved left and right to propel the boat forward
 
scullery
a small room (in large old British houses) next to the kitchen; where kitchen utensils are cleaned and kept and other rough household jobs are done
 
sculpture
a three-dimensional work of plastic art
 
scum
a film of impurities or vegetation that can form on the surface of a liquid
 
scupper
drain that allows water on the deck of a vessel to flow overboard
 
scyphus
an ancient Greek drinking cup; two handles and footed base
 
scythe
an edge tool for cutting grass; has a long handle that must be held with both hands and a curved blade that moves parallel to the ground
 
sea boat
a boat that is seaworthy; that is adapted to the open seas
 
sea chest
a sailor's storage chest for personal property
 
sea ladder
(nautical) ladder to be lowered over a ship's side for coming aboard
 
sea lane
a lane at sea that is a regularly used route for vessels
 
seabag
a cylindrical drawstring bag used by sailors to hold their clothing and other gear
 
seal
fastener that provides a tight and perfect closure
 
seal
a finishing coat applied to exclude moisture
 
seal bomb
a small explosive device (resembling a firecracker) that is used underwater in order to frighten mammals away from fishing grounds
 
seal ring
a ring bearing a signet
 
seal
fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
 
seal
a device incised to make an impression; used to secure a closing or to authenticate documents
 
sealskin
a garment (as a jacket or coat or robe) made of sealskin
 
sealskin tent
tent that is an Eskimo summer dwelling
 
seam
joint consisting of a line formed by joining two pieces
 
searchlight
a light source with reflectors that projects a beam of light in a particular direction
 
searing iron
a hot iron used to destroy tissue
 
Sears Tower
a skyscraper built in Chicago in 1974; 1454 feet tall
 
seascape
a painting of the sea (as distinguished from a landscape)
 
seat
any support where you can sit (especially the part of a chair or bench etc. on which you sit)
 
seat
furniture that is designed for sitting on
 
seat
the cloth covering for the buttocks
 
seat
a part of a machine that supports or guides another part
 
seat belt
a safety belt used in a car or plane to hold you in your seat in case of an accident
 
seat cushion
a cushion that makes a seat more comfortable
 
seating
an area that includes places where several people can sit
 
secateurs
small pruning shears with a spring that holds the handles open and a single blade that closes against a flat surface
 
Seconal
barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions
 
second base
the base that must be touched second by a base runner in baseball
 
second hand
hand marking seconds on a timepiece
 
second
the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle
 
second-hand store
a shop that sells secondhand goods at reduced prices
 
secondary cell
a cell that can be recharged
 
secondary
coil such that current is induced in it by passing a current through the primary coil
 
secondhand car
a car that has been previously owned; not a new car
 
section
one of several parts or pieces that fit with others to constitute a whole object
 
sectional
a piece of furniture made up of sections that can be arranged individually or together
 
sector
measuring instrument consisting of two graduated arms hinged at one end
 
Sectral
an oral beta blocker (trade name Sectral) used in treating hypertension
 
securities market
an exchange where security trading is conducted by professional stockbrokers
 
security blanket
a blanket (or toy) that a child carries around in order to reduce anxiety
 
security blanket
anything that an adult person uses to reduce anxiety
 
security system
(computing) a system that enforces boundaries between computer networks
 
security
an electrical device that sets off an alarm when someone tries to break in
 
sedan
a closed litter for one passenger
 
sedative-hypnotic
a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep
 
seedbed
a bed where seedlings are grown before transplanting
 
seeder
a kitchen utensil that removes seeds from fruit
 
seeder
a mechanical device that sows grass seed or grain evenly over the ground
 
seeker
a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)
 
seersucker
a light puckered fabric (usually striped)
 
segmental arch
a shallow arch; an arch that is less than a semicircle
 
Segway Human Transporter
(trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment
 
seidel
a glass for beer
 
seine
a large fishnet that hangs vertically, with floats at the top and weights at the bottom
 
seismogram
the graphical record of an earth tremor made by using a seismograph
 
seismograph
a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
 
seizing
small stuff that is used for lashing two or more ropes together
 
selector
a switch that is used to select among alternatives
 
selenium cell
a photoelectric cell that uses a strip of selenium
 
self-portrait
a portrait of yourself created by yourself
 
self-propelled vehicle
a wheeled vehicle that carries in itself a means of propulsion
 
self-registering thermometer
a thermometer that records the temperature automatically
 
self-starter
an electric starting motor that automatically starts an internal-combustion engine
 
selsyn
a system consisting of a generator and a motor so connected that the motor will assume the same relative position as the generator; the generator and the motor are synchronized
 
selvage
the edge of a fabric that is woven so that it will not ravel or fray
 
selvage
border consisting of an ornamental fringe at either end of an oriental carpet
 
semaphore
an apparatus for visual signaling with lights or mechanically moving arms
 
semi
a trailer having wheels only in the rear; the front is supported by the towing vehicle
 
semi-abstraction
a semiabstract painting
 
semi-detached house
a dwelling that is attached to something on only one side
 
semiautomatic firearm
an autoloader that fires only one shot at each pull of the trigger
 
semiautomatic
a pistol that is a semiautomatic firearm capable of loading and firing continuously
 
semiconductor
a conductor made with semiconducting material
 
semigloss
a paint that dries with a finish between glossy and flat
 
sender
set used to broadcast radio or tv signals
 
sennit
flat braided cordage that is used on ships
 
sensitometer
a measuring instrument for measuring the light sensitivity of film over a range of exposures
 
sentry box
a small shelter with an open front to protect a sentry from the weather
 
separate
a garment that can be purchased separately and worn in combinations with other garments
 
septic tank
large tank where solid matter or sewage is disintegrated by bacteria
 
sequenator
(chemistry) an apparatus that can determine the sequence of monomers in a polymer
 
sequencer
computer hardware that sorts data or programs into a predetermined sequence
 
Serax
a tranquilizing drug (trade name Serax) used to treat anxiety and insomnia and alcohol withdrawal
 
serge
a twilled woolen fabric
 
serger
a sewing machine that overcasts the raw edges of a fabric with a V-shaped stitch
 
serial port
an interface (commonly used for modems and mice and some printers) that transmits data a bit at a time
 
series circuit
a circuit having its parts connected serially
 
serigraph
a print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencil
 
serpent
an obsolete bass cornet; resembles a snake
 
serpent
a firework that moves in serpentine manner when ignited
 
serration
a single notch in a row of notches
 
servant's entrance
an entrance intended for the use of servants or for delivery of goods and removal of refuse
 
server
utensil used in serving food or drink
 
service club
a recreational center for servicemen
 
service station
a station where gasoline and oil are sold and facilities are available for repairing or maintaining automobiles
 
service
tableware consisting of a complete set of articles (silver or dishware) for use at table
 
serving cart
a handcart for serving food
 
serving dish
a dish used for serving food
 
servo
control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system
 
Serzone
an antidepressant drug (trade name Serzone)
 
set
any electronic equipment that receives or transmits radio or tv signals
 
set decoration
a decoration used as part of the set of a theatrical or movie production
 
set gun
a gun that is set to fire on any intruder that comes in contact with the wire that sets it off
 
set piece
a piece of scenery intended to stand alone as part of the stage setting
 
set square
a try square with an adjustable sliding head
 
set
representation consisting of the scenery and other properties used to identify the location of a dramatic production
 
setline
a long fishing line with many shorter lines and hooks attached to it (usually suspended between buoys)
 
setscrew
a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted
 
setscrew
a screw that is used to adjust the tension on a spring
 
settee
a small sofa
 
settee
a long wooden bench with a back
 
settlement house
a center in an underprivileged area that provides community services
 
Seven Wonders of the Ancient World
impressive monuments created in the ancient world that were regarded with awe
 
seven
one of four playing cards in a deck with seven pips on the face
 
sewage farm
a farm that is irrigated and fertilized with raw sewage
 
sewage system
facility consisting of a system of sewers for carrying off liquid and solid sewage
 
sewer line
a main in a sewage system
 
sewing basket
a workbasket in which sewing materials can be stored
 
sewing kit
a kit of articles used in sewing
 
sewing machine
a textile machine used as a home appliance for sewing
 
sewing needle
a needle used in sewing to pull thread through cloth
 
sewing room
a room set aside for sewing
 
sewing
needlework on which you are working with needle and thread
 
sextant
a measuring instrument for measuring the angular distance between celestial objects; resembles an octant
 
sgraffito
a ceramic or mural decoration made by scratching off a surface layer to reveal the ground
 
shackle
a U-shaped bar; the open end can be passed through chain links and closed with a bar
 
shade
protective covering that protects something from direct sunlight
 
shade
a representation of the effect of shadows in a picture or drawing (as by shading or darker pigment)
 
shadow box
a shallow rectangular box with a transparent front used to protect and display small items (jewelry, coins, etc.)
 
shaft
a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)
 
shaft
a long vertical passage sunk into the earth, as for a mine or tunnel
 
shaft
a vertical passageway through a building (as for an elevator)
 
shag
a fabric with long coarse nap
 
shag rug
a rug with long pile
 
shaker
a container in which something can be shaken
 
shampoo
cleansing agent consisting of soaps or detergents used for washing the hair
 
shank
cylinder forming the part of a bit by which it is held in the drill
 
shank
cylinder forming the part of a bolt between the thread and the head
 
shank
cylinder forming a long narrow part of something
 
shank
the narrow part of the shoe connecting the heel and the wide part of the sole
 
shantung
a heavy silk fabric with a rough surface (or a cotton imitation)
 
shaper
a machine tool for shaping metal or wood
 
shaping tool
a tool for shaping metal
 
sharkskin
a smooth crisp fabric
 
sharp
a long thin sewing needle with a sharp point
 
sharpener
any implement that is used to make something (an edge or a point) sharper
 
sharpie
a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States
 
Sharpie
a pen with indelible ink that will write on any surface
 
sharpshooter
a fast schooner once used by New England fisherman for illegal fishing in Canadian waters
 
shaving brush
a brush used to apply lather prior to shaving
 
shaving cream
toiletry consisting of a preparation of soap and fatty acids that forms a rich lather for softening the beard before shaving
 
shaving foam
toiletry consisting of a liquid preparation containing many small bubbles that soften the beard before shaving
 
shawl
cloak consisting of an oblong piece of cloth used to cover the head and shoulders
 
shawm
a medieval oboe
 
shear
a large edge tool that cuts sheet metal by passing a blade through it
 
shears
large scissors with strong blades
 
sheath
a protective covering (as for a knife or sword)
 
sheath pile
a pile in a row of piles driven side by side to retain earth or prevent seepage
 
shed
an outbuilding with a single story; used for shelter or storage
 
sheep bell
a bell hung round the neck of a sheep so that the sheep can be easily located
 
sheeprun
farm devoted to raising sheep
 
sheepshank
a knot for shortening a line
 
sheet anchor
spare anchor for use in emergency
 
sheet iron
plate iron thinner than tank iron
 
sheet metal
sheet of metal formed into a thin plate
 
sheet web
an irregular spider web woven in a single plane and looking like flattened hammocks
 
sheeting
fabric from which bed sheets are made
 
Sheetrock
a kind of plasterboard
 
shelf
a support that consists of a horizontal surface for holding objects
 
shelf bracket
a bracket to support a shelf
 
shell
ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
 
shell plating
the plates covering the frame of a steel ship and corresponding to the planking of a wooden ship
 
shell stitch
a crochet stitch
 
shellac
a thin varnish made by dissolving lac in ethanol; used to finish wood
 
shelter
a structure that provides privacy and protection from danger
 
shelter
protective covering that provides protection from the weather
 
shelter
temporary housing for homeless or displaced persons
 
shelter deck
upper deck having no overhead protection from the weather, but sheltering the deck below
 
shelterbelt
hedge or fence of trees designed to lessen the force of the wind and reduce erosion
 
sheltered workshop
a workshop that offers jobs to members of the physically or developmentally disabled population
 
Sheraton
a furniture style that originated in England around 1800; simple in design with straight lines and classical ornamentation
 
shield
a protective covering or structure
 
shielding
a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay
 
shielding
shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference
 
shift register
(computer science) register in which all bits can be shifted one or more positions to the left or to the right
 
shift
the key on the typewriter keyboard that shifts from lower-case letters to upper-case letters
 
shillalah
a cudgel made of hardwood (usually oak or blackthorn)
 
shim
a thin wedge of material (wood or metal or stone) for driving into crevices
 
shin guard
a stiff protective garment worn by hockey players or a catcher in baseball to protect the shins
 
shingle
a small signboard outside the office of a lawyer or doctor, e.g.
 
ship
a vessel that carries passengers or freight
 
ship canal
a canal large enough for seagoing vessels
 
ship-towed long-range acoustic detection system
a shipboard system consisting of an acoustic detection system that is towed behind the ship
 
shipboard system
a system designed to work as a coherent entity on board a naval ship
 
shipping office
the office of a shipping agent; an office where seamen are hired
 
shipping room
a room where goods are packaged and shipped
 
shipway
structure consisting of a sloping way down to the water from the place where ships are built or repaired
 
shipwreck
a wrecked ship (or a part of one)
 
shipyard
a workplace where ships are built or repaired
 
shirt
a garment worn on the upper half of the body
 
shirt button
a button on a shirt
 
shirtdress
a dress that is tailored like a shirt and has buttons all the way down the front
 
shirtfront
the front of a shirt (usually the part not covered by a jacket)
 
shirting
any of various fabrics used to make men's shirts
 
shirtsleeve
the sleeve of a shirt
 
shirttail
fabric forming the tail of a shirt
 
shirtwaist
a blouse with buttons down the front
 
shiv
a knife used as a weapon
 
shoe
footwear shaped to fit the foot (below the ankle) with a flexible upper of leather or plastic and a sole and heel of heavier material
 
shoe
(card games) a case from which playing cards are dealt one at a time
 
shoe bomb
an explosive device concealed inside the heel and sole of a shoe
 
shoe lace
a lace used for fastening shoes
 
shoe shop
a shop where shoes are sold
 
shoebox
an oblong rectangular (usually cardboard) box designed to hold a pair of shoes
 
shoebox
a structure resembling a shoebox (as a rectangular building or a cramped room or compartment)
 
shoehorn
a device used for easing the foot into a shoe
 
shoetree
a wooden or metal device that is inserted into a shoe to preserve its shape when it is not being worn
 
shofar
an ancient musical horn made from the horn of a ram; used in ancient times by the Israelites to sound a warning or a summons; used in synagogues today on solemn occasions
 
shoji
a translucent screen made of a wooden frame covered with rice paper
 
shoofly
a child's rocking chair with the seat built between two flat sides that are shaped to resemble an animal (such as a swan or duck)
 
shook
a disassembled barrel; the parts packed for storage or shipment
 
shooter
a large marble used for shooting in the game of marbles
 
shooting box
a small country house used by hunters during the shooting season
 
shooting brake
another name for a station wagon
 
shooting gallery
a building (usually abandoned) where drug addicts buy and use heroin
 
shooting gallery
an enclosed firing range with targets for rifle or handgun practice
 
shooting stick
device that resembles a spiked walking stick but the top opens into a seat
 
shop bell
a bell attached to the door of a small shop; warns the proprietor that a customer has entered the shop
 
shop floor
workplace consisting of the part of a factory housing the machines
 
shop
a mercantile establishment for the retail sale of goods or services
 
shop
small workplace where handcrafts or manufacturing are done
 
shopfront
the front side of a store facing the street; usually contains display windows
 
shopping
the commodities purchased from stores
 
shopping bag
a bag made of plastic or strong paper (often with handles); used to transport goods after shopping
 
shopping basket
a handbasket used to carry goods while shopping
 
shopping cart
a handcart that holds groceries or other goods while shopping
 
shore
a beam or timber that is propped against a structure to provide support
 
short
the location on a baseball field where the shortstop is stationed
 
short iron
an iron with a short shaft and pitched face; for hitting short high shots
 
short line
a transportation system that operates over relatively short distances
 
short pants
(used in the plural) trousers that end at or above the knee
 
short sleeve
a sleeve extending from the shoulder to the elbow
 
short
accidental contact between two points in an electric circuit that have a potential difference
 
short-stop
an acid bath used to stop the action of a developer
 
shortwave diathermy machine
a diathermy machine that uses short wave radiation as the source of heat
 
shot
an explosive charge used in blasting
 
shot
sports equipment consisting of a heavy metal ball used in the shot put
 
shot hole
drill hole for a charge of an explosive
 
shot tower
tower of a kind once used to make shot; molten lead was poured through a sieve and dropped into water
 
shot
an informal photograph; usually made with a small hand-held camera
 
shotgun shell
a shell containing lead shot; used in shotguns
 
shoulder
the part of a garment that covers or fits over the shoulder
 
shoulder bag
a large handbag that can be carried by a strap looped over the shoulder
 
shoulder board
epaulets that indicate rank
 
shoulder holster
a holster worn over your shoulder so a gun can be concealed under your jacket
 
shoulder pad
protective garment consisting of a hard rounded pad worn by football players to protect their shoulders
 
shoulder patch
patch worn on the shoulder of a military uniform to indicate rank
 
shoulder strap
a band that goes over the shoulder and supports a garment or bag
 
shoulder vise
a vise with jaws that are padded in order to hold lumber without denting it
 
shouldered arch
an arch consisting of a horizontal lintel supported at each end by corbels that project into the aperture
 
shovel
a hand tool for lifting loose material; consists of a curved container or scoop and a handle
 
shovel
a fire iron consisting of a small shovel used to scoop coals or ashes in a fireplace
 
shovel hat
a stiff broad-brimmed hat with the brim turned up at the sides and projecting in front; worn by some clergymen in Britain
 
showboat
a river steamboat on which theatrical performances could be given (especially on the Mississippi River)
 
shower
a plumbing fixture that sprays water over you
 
shower bath
booth for washing yourself, usually in a bathroom
 
shower cap
a tight cap worn to keep hair dry while showering
 
shower curtain
a curtain that keeps water from splashing out of the shower area
 
shower room
a room with several showers
 
showerhead
a perforated nozzle that showers water on a bather
 
shrapnel
shell containing lead pellets that explodes in flight
 
shredder
a device that shreds documents (usually in order to prevent the wrong people from reading them)
 
shrimper
a vessel engaged in shrimping
 
shrine
a place of worship hallowed by association with some sacred thing or person
 
shrink-wrap
the clinging transparent plastic film that is used to shrinkwrap something
 
shroud
a line that suspends the harness from the canopy of a parachute
 
shunt
implant consisting of a tube made of plastic or rubber; for draining fluids within the body
 
shunter
a small locomotive used to move cars around but not to make trips
 
shutter
a hinged blind for a window
 
shutter
a mechanical device on a camera that opens and closes to control the time of a photographic exposure
 
shutting post
the gatepost against which the gate closes
 
shuttle
bobbin that passes the weft thread between the warp threads
 
shuttle
public transport that consists of a bus or train or airplane that flies back and forth between two points
 
shuttle bus
shuttle consisting of a bus that travels between two points
 
shuttle helicopter
a helicopter that shuttles back and forth
 
siamese
an inlet with two or more couplings to which a hose can be attached so that fire engines can pump water into the sprinkler system of a building
 
Sibley tent
a light conical canvas tent erected on a tripod with ventilation at the top
 
sick bag
a bag provided on an airplane for passengers who are suffering from airsickness and need to vomit
 
sick berth
(nautical) a room for the treatment of the sick or injured (as on a ship)
 
sickbed
the bed on which a sick person lies
 
sickroom
a room to which a sick person is confined
 
side
an extended outer surface of an object
 
side chair
a straight-backed chair without arms
 
side chapel
a small chapel off the side aisle of a church
 
side door
an exterior door at one side of a building
 
side drum
a small drum with two heads and a snare stretched across the lower head
 
side pocket
a pocket on the side of a billiard table
 
side road
a minor road branching off of a main road
 
side street
a street intersecting a main street and terminating there
 
side yard
the grounds at either side of a house
 
side-wheeler
a paddle steamer having a paddle wheel on each side
 
sideboard
a board that forms part of the side of a bed or crib
 
sideboard
a removable board fitted on the side of a wagon to increase its capacity
 
sidecar
conveyance consisting of a small carrier attached to the side of a motorcycle
 
sideline
an auxiliary line of merchandise
 
sidesaddle
a saddle for a woman; rider sits with both feet on the same side of the horse
 
sidewall
a wall that forms the side of a structure
 
sidewall
the side of an automobile tire
 
sidewinder
air-to-air missile with infrared homing device
 
Siege Perilous
the legendary seat at King Arthur's Round Table reserved for the knight who would find the Holy Grail; it was fatal for anyone else to sit in it
 
Siegfried line
German fortifications facing the Maginot Line
 
sifter
a household sieve (as for flour)
 
sight setting
the adjustment of a gunsight for elevation and windage on a particular range under favorable light conditions
 
sights
an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
 
sign
structure displaying a board on which advertisements can be posted
 
signal box
a building from which signals are sent to control the movements of railway trains
 
signaling device
a device used to send signals
 
signet
a seal (especially one used to mark documents officially)
 
silencer
short tube attached to the muzzle of a gun that deadens the sound of firing
 
silent butler
a small receptacle with a handle and a hinged lid; used for collecting crumbs or ashes
 
silesia
a sturdy twill-weave cotton fabric; used for pockets and linings
 
Silex
a vacuum coffee maker
 
silhouette
a drawing of the outline of an object; filled in with some uniform color
 
silk
a fabric made from the fine threads produced by certain insect larvae
 
silks
the brightly colored garments of a jockey; emblematic of the stable
 
sill
structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
 
silo
a cylindrical tower used for storing silage
 
silo
military installation consisting of an underground structure where ballistic missiles can be stored and fired
 
silver mine
a mine where silver ore is dug
 
silver plate
a thin layer of silver deposited on something
 
silver plate
tableware that is plated with silver
 
silver protein
a colloid preparation of protein (albumin or gelatin) and silver oxide; used in aqueous solution as an antibacterial agent
 
silver
a trophy made of silver (or having the appearance of silver) that is usually awarded for winning second place in a competition
 
silverpoint
a drawing made on specially prepared paper with an instrument having a silver tip (15th and 16th centuries)
 
silverware
tableware made of silver or silver plate or pewter or stainless steel
 
silverwork
decorative work made of silver
 
simple pendulum
a hypothetical pendulum suspended by a weightless frictionless thread of constant length
 
simulator
a machine that simulates an environment for the purpose of training or research
 
Sinequan
a tricyclic antidepressant (trade names Adapin and Sinequan) with numerous side effects (dry mouth and sedation and gastrointestinal disturbances)
 
single bed
a bed for one occupant
 
single crochet
the basic crochet stitch
 
single prop
a propeller plane with a single propeller
 
single-breasted jacket
a jacket having fronts that overlap only enough for a single row of buttons
 
single-breasted suit
a suit having a single-breasted jacket
 
single-reed instrument
a beating-reed instrument with a single reed (as a clarinet or saxophone)
 
single-rotor helicopter
a helicopter having a single rotor
 
singlet
a collarless men's undergarment for the upper part of the body
 
singleton
the playing card that is the only card in a suit held in a bridge hand as initially dealt
 
sink
plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
 
sinker
a weight that sinks (as to hold nets or fishing lines under water)
 
siphon
a tube running from the liquid in a vessel to a lower level outside the vessel so that gravity forces the liquid through the tube
 
siren
an acoustic device producing a loud often wailing sound as a signal or warning
 
sister ship
a ship that is one of two or more similar ships built at the same time
 
Sistine Chapel
the private chapel of the popes in Rome; it was built by and named after Sixtus IV in 1473
 
sitar
a stringed instrument of India; has a long neck and movable frets; has 6 or 7 metal strings for playing and usually 13 resonating strings
 
six pack
a carton containing six bottles or cans
 
six
a playing card or domino or die whose upward face shows six pips
 
sixpenny nail
a nail 2 inches long
 
size stick
a mechanical measuring stick used by shoe fitters to measure the length and width of your foot
 
SK-Ampicillin
semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
 
skate
sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs
 
skateboard
a board with wheels that is ridden in a standing or crouching position and propelled by foot
 
skeg
a brace that extends from the rear of the keel to support the rudderpost
 
skein
coils of worsted yarn
 
skeleton key
a passkey with much of the bit filed away so that it can open different locks
 
skep
a domed beehive made of twisted straw
 
skep
a large round wicker basket (used on farms)
 
sketch block
a book containing sheets of paper on which sketches can be drawn
 
sketch map
a map drawn from observation (rather than from exact measurements) and representing the main features of an area
 
sketch
preliminary drawing for later elaboration
 
sketcher
an implement for sketching
 
skew arch
an arch whose jambs are not at right angles with the face
 
skewer
a long pin for holding meat in position while it is being roasted
 
ski
narrow wood or metal or plastic runners used in pairs for gliding over snow
 
ski boot
a stiff boot that is fastened to a ski with a ski binding
 
ski cap
a close-fitting woolen cap; often has a tapering tail with a tassel
 
ski jacket
a parka to be worn while skiing
 
ski jump
a steep downward ramp from which skiers jump
 
ski lodge
a hotel at a ski resort
 
ski mask
a woolen face mask to protect the face from cold while skiing on snow
 
ski pole
a pole with metal points used as an aid in skiing
 
ski rack
a carrier for holding skis on top of a vehicle
 
ski run
trail or slope prepared for skiing
 
ski-plane
an airplane equipped with skis so it can land on a snowfield
 
skibob
a vehicle resembling a bicycle but having skis instead of wheels; the rider wears short skis for balancing
 
skid
one of a pair of planks used to make a track for rolling or sliding objects
 
skid lid
a crash helmet
 
skid road
a road made of logs on which freshly cut timber can be hauled
 
skidder
a tractor used to haul logs over rough terrain
 
skidpan
a paved surface on which cars can be made to skid so that drivers can practice controlling them
 
skiff
any of various small boats propelled by oars or by sails or by a motor
 
skimmer
a cooking utensil used to skim fat from the surface of liquids
 
skin
an outer surface (usually thin)
 
skin
a bag serving as a container for liquids; it is made from the hide of an animal
 
skin patch
a medicated adhesive pad placed on the skin for absorption of a time released dose of medication into the bloodstream
 
skirt
a garment hanging from the waist; worn mainly by girls and women
 
skirt
cloth covering that forms the part of a garment below the waist
 
skirt of tasses
armor plate that protects the body below the waist
 
skivvies
(used in the plural) men's underwear consisting of cotton undershirt and underpants
 
skull and crossbones
emblem warning of danger or death
 
skullcap
rounded brimless cap fitting the crown of the head
 
skybox
an elevated box for viewing events at a sports stadium
 
skyhook
a hook that is imagined to be suspended from the sky
 
skyhook
helicopter carrying a reel of steel cable that can be used to lift and transport heavy objects
 
Skylab
United States space station; in orbit from 1973 to 1979
 
skysail
the sail above the royal on a square-rigger
 
skyscraper
a very tall building with many stories
 
skywalk
an elevated walkway between buildings (usually enclosed)
 
slab
block consisting of a thick piece of something
 
slack
a cord or rope or cable that is hanging loosely
 
slack suit
casual dress consisting of slacks and matching jacket
 
slacks
(used in the plural) pants for casual wear
 
slapstick
acoustic device consisting of two paddles hinged together; used by an actor to make a loud noise without inflicting injury when striking someone
 
slash pocket
a pocket in a garment (usually below the waist) to which access is provided by a vertical or diagonal slit in the outside of the garment
 
slasher
a weapon (a sword or dagger) used for slashing
 
slat
a thin strip (wood or metal)
 
slate
(formerly) a writing tablet made of slate
 
slate pencil
a pencil of soft slate (or soapstone) used for writing on a slate
 
slate roof
a roof covered with slate
 
slave market
a marketplace where slaves were auctioned off (especially in the southern United States before the American Civil War)
 
slave ship
a ship used to transport slaves from their homes to places of bondage
 
sled
a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow
 
sleeper
a piece of furniture that can be opened up into a bed
 
sleeper
pajamas with feet; worn by children
 
sleeper
a passenger car that has berths for sleeping
 
sleeping bag
large padded bag designed to be slept in outdoors; usually rolls up like a bedroll
 
sleeping capsule
a soporific drug in the form of a pill (or tablet or capsule)
 
sleeve
small case into which an object fits
 
sleigh bed
a bed with solid headboard and footboard that roll outward at the top
 
slice
a spatula for spreading paint or ink
 
slice bar
iron bar used to loosen and rake clinkers out of furnaces
 
slicer
knife especially designed for slicing particular foods, as cheese
 
slicer
a machine for cutting; usually with a revolving blade
 
slick
a trowel used to make a surface slick
 
slick
a film of oil or garbage floating on top of water
 
slide fastener
a fastener for locking together two toothed edges by means of a sliding tab
 
slide projector
projector that projects an enlarged image of a slide onto a screen
 
slide rule
analog computer consisting of a handheld instrument used for rapid calculations; have been replaced by pocket calculators
 
slide valve
valve that opens and closes a passageway by sliding over a port
 
sliding door
a door that opens by sliding instead of swinging
 
sliding seat
rower's seat that slides fore and aft
 
sliding window
a window that opens by sliding horizontally
 
sling
a simple weapon consisting of a looped strap in which a projectile is whirled and then released
 
sling
a shoe that has a strap that wraps around the heel
 
slinger ring
dispenser consisting of a tubular ring around the propeller hub of an airplane through which antifreeze solution is spread over the blades
 
slip carriage
a railway car at the end of the train; it can be detached without stopping the train
 
slip clutch
a friction clutch that will slip when the torque is too great
 
slip ring
connection consisting of a metal ring on a rotating part of a machine; provides a continuous electrical connection through brushes on stationary contacts
 
slip stitch
a loose stitch catching only a thread or two of fabric; designed to be invisible from the right side
 
slip
a small sheet of paper
 
slip
artifact consisting of a narrow flat piece of material
 
slip-joint pliers
pliers with a joint adjustable to two positions in order to increase the opening of the jaws
 
slip-on
an article of clothing (garment or shoe) that is easily slipped on or off
 
slipcover
a removable fitted cloth covering for upholstered furniture
 
slipknot
a knot at the end of a cord or rope that can slip along the cord or rope around which it is made
 
slit
a long narrow opening
 
slit lamp
(ophthalmology) a lamp that emits a narrow but intense beam of light that enables an ophthalmologist, using a microscope, to view the retina and optic nerve
 
slit trench
narrow trench for shelter in battle
 
sloop
a sailing vessel with a single mast set about one third of the boat's length aft of the bow
 
sloop of war
a sailing or steam warship having cannons on only one deck
 
slop basin
a bowl into which the dregs of teacups and coffee cups are emptied at the table
 
slop chest
commissary maintained aboard merchant ships to sell merchandise to the crew
 
slop jar
a large pail used to receive waste water from a washbasin or chamber pot
 
slops
cheap clothing (as formerly issued to sailors in Britain)
 
slopseller's shop
a store that sells cheap ready-made clothing
 
slot
a small slit (as for inserting a coin or depositing mail)
 
slow lane
the traffic lane for vehicles that are moving slowly
 
slow match
match or fuse made to burn slowly and evenly
 
slug
a strip of type metal used for spacing
 
smack
a sailing ship (usually rigged like a sloop or cutter) used in fishing and sailing along the coast
 
small beer
something of small importance
 
small boat
a boat that is small
 
small ship
a ship that is small
 
small stores
personal items conforming to regulations that are sold aboard ship or at a naval base and charged to the person's pay
 
small stuff
any light rope used on shipboard
 
smart bomb
a bomb that can be guided (by a laser beam or radio) to its target
 
smelling bottle
a bottle containing smelling salts
 
smelter
an industrial plant for smelting
 
smocking
embroidery consisting of ornamental needlework on a garment that is made by gathering the cloth tightly in stitches
 
smoke bomb
a bomb that gives off thick smoke when it explodes; used to make a smoke screen or to mark a position
 
smoke hole
a vent (as in a roof) for smoke to escape
 
smoke screen
(military) screen consisting of a cloud of smoke that obscures movements
 
smoker
a passenger car for passengers who wish to smoke
 
smokestack
a large tall chimney through which combustion gases and smoke can be evacuated
 
smoking mixture
a blend of tobaccos to be smoked in a pipe
 
smoking room
room in a hotel or club set apart for smokers
 
smooth plane
a small plane for finish work
 
smoothbore
a firearm that has no rifling
 
snaffle
a simple jointed bit for a horse; without a curb
 
snake
something long, thin, and flexible that resembles a snake
 
snap brim
a brim that can be turned up and down on opposite sides
 
snap-brim hat
a hat with a snap brim
 
snare
strings stretched across the lower head of a snare drum; they make a rattling sound when the drum is hit
 
snare
a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities
 
snatch block
a pulley-block that can be opened to receive the bight of a rope
 
Snellen chart
display consisting of a printed card with letters and numbers in lines of decreasing size; used to test visual acuity
 
snip
a small piece of anything (especially a piece that has been snipped off)
 
snips
(plural) hand shears for cutting sheet metal
 
Sno-cat
a kind of snowmobile
 
snood
an ornamental net in the shape of a bag that confines a woman's hair; pins or ties at the back of the head
 
snorkel
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
 
snorter
something that is extraordinary or remarkable or prominent
 
snow bank
a mound or heap of snow
 
snow blower
a machine that removes snow by scooping it up and throwing it forcefully through a chute
 
snow chain
chain attached to wheels to increase traction on ice or snow
 
snow tire
an automobile pneumatic tire with deep tread to give traction in snow
 
snowball
snow pressed into a ball for throwing (playfully)
 
snowboard
a board that resembles a broad ski or a small surfboard; used in a standing position to slide down snow-covered slopes
 
snowman
a figure of a person made of packed snow
 
snowmobile
tracked vehicle for travel on snow having skis in front
 
snowplough
a vehicle used to push snow from roads
 
snowshoe
a device to help you walk on deep snow; a lightweight frame shaped like a racquet is strengthened with cross pieces and contains a network of thongs; one is worn on each foot
 
snowsuit
a child's overgarment for cold weather
 
snuff
finely powdered tobacco for sniffing up the nose
 
snuffbox
a small ornamental box for carrying snuff in your pocket
 
snuffer
a cone-shaped implement with a handle; for extinguishing candles
 
snuffers
scissors for cropping and holding the snuff of a candlewick
 
soap
a cleansing agent made from the salts of vegetable or animal fats
 
soap dish
a bathroom or kitchen fixture for holding a bar of soap
 
soap dispenser
dispenser of liquid soap
 
soap film
a film left on objects after they have been washed in soap
 
soap flakes
soap that has been cut into flakes to make suds faster
 
soap pad
a cleaning pad containing soap
 
soapbox
a crate for packing soap
 
soccer ball
an inflated ball used in playing soccer
 
sock
hosiery consisting of a cloth covering for the foot; worn inside the shoe; reaches to between the ankle and the knee
 
socket
a receptacle into which an electric device can be inserted
 
socket
receptacle where something (a pipe or probe or end of a bone) is inserted
 
socket wrench
a wrench with a handle onto which sockets of different sizes can be fitted
 
socle
a plain plinth that supports a wall
 
soda can
a can for holding soft drinks
 
soda fountain
an apparatus for dispensing soda water
 
soda fountain
a counter where ice cream and sodas and sundaes are prepared and served
 
sodium salicylate
a crystalline salt used as an analgesic and antipyretic
 
sodium-vapor lamp
lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
 
soffit
the underside of a part of a building (such as an arch or overhang or beam etc.)
 
soft drug
a drug of abuse that is considered relatively mild and not likely to cause addiction
 
soft pedal
a pedal on a piano that moves the action closer to the strings and so soften the sound
 
software package
merchandise consisting of a computer program that is offered for sale
 
soil pipe
drain that conveys liquid waste from toilets, etc.
 
solar array
electrical device consisting of a large array of connected solar cells
 
solar collector
a concave mirror that concentrates the rays of the sun; can produce high temperatures
 
solar heater
a heater that makes direct use of solar energy
 
solar house
a house designed to use solar radiation for heating; usually has large areas of glass in front of heat-absorbing materials
 
solar telescope
a telescope designed to make observations of the sun
 
solar thermal system
a system that converts sunlight into heat
 
solar trap
a terrace or garden oriented to take advantage of the sun while protected from cold winds
 
solarium
a room enclosed largely with glass and affording exposure to the sun
 
soldering iron
a hand tool with a heatable tip; used to melt and apply solder
 
sole
the underside of footwear or a golf club
 
solenoid
a coil of wire around an iron core; becomes a magnet when current passes through the coil
 
solitaire
a gem (usually a diamond) in a setting by itself
 
sombrero
a straw hat with a tall crown and broad brim; worn in American southwest and in Mexico
 
sonograph
an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ
 
soothing syrup
medicine in the form of a syrup that has a calming effect
 
sordino
a mute for a violin
 
sorter
a machine for sorting things (such as punched cards or letters) into classes
 
sou'wester
waterproof hat with wide slanting brim longer in back than in front
 
souk
an open-air market in an Arabian city
 
sound bow
contact (the part of a bell) against which the clapper strikes
 
sound camera
a movie camera that records sounds in synchrony with the visual images
 
sound film
motion-picture film with sound effects and dialogue recorded on it
 
sound hole
a hole in a soundboard (as of a violin) designed to resonate with the tones
 
sound spectrograph
a spectrograph for acoustic spectra
 
sound truck
a truck equipped with a loudspeaker and used for advertising
 
soundboard
(music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument
 
sounder
a device for making soundings
 
sounding lead
a metal bob at the end of a sounding line
 
sounding rocket
a research rocket used to obtain information about the atmosphere at various altitudes
 
soundtrack
sound recording on a narrow strip of a motion picture film
 
soup bowl
a bowl for serving soup
 
soup ladle
a ladle for serving soup
 
soup plate
a deep plate with a wide rim
 
soup spoon
a spoon with a rounded bowl for eating soup
 
source
a facility where something is available
 
source of illumination
any device serving as a source of visible electromagnetic radiation
 
sourdine
an organ stop resulting in a soft muted sound
 
soutache
a narrow braid used as a decorative trimming
 
soutane
a long cassock with buttons down the front; worn by Roman Catholic priests
 
soybean future
soybeans bought or sold at an agreed price for delivery at a specified future date
 
space bar
the bar-shaped typewriter key that introduces spaces when used
 
space heater
heater consisting of a self-contained (usually portable) unit to warm a room
 
space helmet
a helmet worn by astronauts while in outer space
 
space laboratory
a manned artificial satellite in a fixed orbit designed for scientific research
 
Space Needle
a tower 605 feet tall in Seattle; a tourist attraction
 
space probe
a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation
 
space rocket
a rocket powerful enough to travel into outer space
 
space shuttle
a reusable spacecraft with wings for a controlled descent through the Earth's atmosphere
 
spaceship
a spacecraft designed to carry a crew into interstellar space (especially in science fiction)
 
spacesuit
a pressure suit worn by astronauts while in outer space
 
spade
a sturdy hand shovel that can be pushed into the earth with the foot
 
spade
a playing card in the major suit that has one or more black figures on it
 
spade bit
a thin bit with a center point and cutting edges on either side
 
spaghetti junction
a complicated highway interchange with multiple overpasses
 
Spandau
a German machine gun
 
spandex
an elastic synthetic fabric
 
spandrel
an approximately triangular surface area between two adjacent arches and the horizontal plane above them
 
spanker
a fore-and-aft sail set on the aftermost lower mast (usually the mizzenmast) of a vessel
 
spanner
a hand tool that is used to hold or twist a nut or bolt
 
spar
a stout rounded pole of wood or metal used to support rigging
 
spare
an extra component of a machine or other apparatus
 
sparge pipe
a horizontal pipe having fine holes drilled throughout its length so as to deliver a spray of water
 
spark arrester
electrical device to reduce sparking when electrical contacts are opened or closed
 
spark arrester
a wire net to stop sparks from an open fireplace or smokestack
 
spark chamber
an instrument that detects ionizing radiation from elementary particles
 
spark coil
an induction coil used to create sparks
 
spark gap
the gap between two high-potential terminals
 
spark gap
a component of an ignition system; consists of two shaped electrodes and the space between them
 
spark lever
(on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignition
 
spark transmitter
an early radio transmitter using a discharge across a spark gap as the source of its power
 
sparkler
a firework that burns slowly and throws out a shower of sparks
 
sparkplug wrench
a wrench for removing or tightening spark plugs into the cylinder head of an internal combustion engine
 
spatula
a hand tool with a thin flexible blade used to mix or spread soft substances
 
spatula
a turner with a narrow flexible blade
 
speakeasy
(during prohibition) an illegal barroom
 
speakerphone
a telephone with a microphone and loudspeaker; can be used without picking up a handset; several people can participate in a call at the same time
 
speaking trumpet
a trumpet-shaped acoustic device to intensify and direct the human voice; formerly held to the ear by a hard-of-hearing person
 
speaking tube
a tube for conveying the sound of a voice from one room to another
 
spearhead
the head and sharpened point of a spear
 
special K
street names for ketamine
 
specialty store
a store that sells only one kind of merchandise
 
specific
a medicine that has a mitigating effect on a specific disease
 
specimen bottle
a bottle for holding urine specimens
 
spectacle
an elaborate and remarkable display on a lavish scale
 
spectator
a woman's pump with medium heel; usually in contrasting colors for toe and heel
 
spectinomycin
an antibiotic used to treat gonorrhea
 
spectrogram
a photographic record of a spectrum
 
spectrograph
a spectroscope by which spectra can be photographed
 
spectrophotometer
a photometer for comparing two light radiations wavelength by wavelength
 
speculum
a medical instrument for dilating a bodily passage or cavity in order to examine the interior
 
speculum
a mirror (especially one made of polished metal) for use in an optical instrument
 
speed bump
a hindrance to speeding created by a crosswise ridge in the surface of a roadway
 
speed indicator
a meter fixed to a vehicle that measures and displays its speed
 
speedboat
a fast motorboat
 
speedway
a racetrack for racing automobiles or motorcycles
 
speedway
road where high speed driving is allowed
 
sperm bank
a depository for storing sperm
 
spermatocide
a contraceptive agent that kills spermatozoa
 
sphere
any spherically shaped artifact
 
spherometer
a measuring instrument for measuring the curvature of a surface
 
sphinx
one of a number of large stone statues with the body of a lion and the head of a man that were built by the ancient Egyptians
 
sphygmomanometer
a pressure gauge for measuring blood pressure
 
spice rack
a rack for displaying containers filled with spices
 
spicemill
a mill for grinding spices
 
spider
a skillet made of cast iron
 
spider web
a web spun by spiders to trap insect prey
 
spider web
a web resembling the webs spun by spiders
 
spigot
a plug for a bunghole in a cask
 
spike
sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
 
spike
a large stout nail
 
spike
a long, thin sharp-pointed implement (wood or metal)
 
spike
a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
 
spike
each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)
 
spike microphone
a contact microphone for listening through walls
 
spike
a very high narrow heel on women's shoes
 
spike
any holding device consisting of a rigid, sharp-pointed object
 
spill
a channel that carries excess water over or around a dam or other obstruction
 
spin drier
a clothes dryer that uses centrifugal motion to dry the clothes that are put into it
 
spinal anaesthetic
an anesthetic that is injected into the spine
 
spindle
a stick or pin used to twist the yarn in spinning
 
spindle
a piece of wood that has been turned on a lathe; used as a baluster, chair leg, etc.
 
spinet
early model harpsichord with only one string per note
 
spinet
a small and compactly built upright piano
 
spinnaker
a large and usually triangular headsail; carried by a yacht as a headsail when running before the wind
 
spinner
fisherman's lure; revolves when drawn through the water
 
spinner
board game equipment that consists of a dial and an arrow that is spun to determine the next move in the game
 
spinning frame
spinning machine that draws, twists, and winds yarn
 
spinning jenny
an early spinning machine with multiple spindles
 
spinning machine
a textile machine for spinning yarn and thread
 
spinning rod
a fishing rod designed for casting a spinning lure
 
spinning top
a conical child's plaything tapering to a steel point on which it can be made to spin
 
spinning wheel
a small domestic spinning machine with a single spindle that is driven by hand or foot
 
spiral bandage
an oblique bandage in which successive turns overlap preceding turns
 
spiral spring
a spring that is wound like a spiral
 
spiral
ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
 
spire
a tall tower that forms the superstructure of a building (usually a church or temple) and that tapers to a point at the top
 
spirit lamp
a lamp that burns a volatile liquid fuel such as alcohol
 
spirit stove
a stove that burns a volatile liquid fuel such as alcohol
 
spirogram
a recording of breathing made with a spirograph
 
spirograph
a measuring instrument for recording the depth and rapidity of breathing movements
 
spirometer
a measuring instrument for measuring the vital capacity of the lungs
 
spit
a skewer for holding meat over a fire
 
spitball
a projectile made by chewing a piece of paper and shaping it into a sphere
 
splashboard
protective covering consisting of a broad plank along a gunwale to keep water from splashing over the side
 
splasher
a protective covering over or beside a wheel to protect the upper part of a vehicle from splashes of mud
 
splat
a slat of wood in the middle of the back of a straight chair
 
splay
an outward bevel around a door or window that makes it seem larger
 
splice
a junction where two things (as paper or film or magnetic tape) have been joined together
 
splicer
a mechanical device for joining two pieces of paper or film or magnetic tape
 
spline
a flexible strip (wood or rubber) used in drawing curved lines
 
splint
an orthopedic mechanical device used to immobilize and protect a part of the body (as a broken leg)
 
split
(tenpin bowling) a divided formation of pins left standing after the first bowl
 
Spode
a brand of fine English porcelain
 
spoiler
a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag
 
spoiler
an airfoil mounted on the rear of a car to reduce lift at high speeds
 
spokeshave
a small plane that has a handle on each side of its blade; used for shaping or smoothing cylindrical wooden surfaces (originally wheel spokes)
 
sponge bag
a waterproof bag for holding bathrooms items (soap and toothpaste etc.) when you are travelling
 
sponge cloth
any soft porous fabric (especially in a loose honeycomb weave)
 
sponge mop
a wet mop with a sponge as the absorbent
 
spoon
a piece of cutlery with a shallow bowl-shaped container and a handle; used to stir or serve or take up food
 
spoon
formerly a golfing wood with an elevated face
 
Sporanox
an oral antifungal drug (trade name Sporanox) taken for cases of fungal nail disease
 
Spork
trademark for a plastic eating utensil that has both tines and a bowl like a spoon
 
sporran
a fur or leather pouch worn at the front of the kilt as part of the traditional dress of Scottish Highlanders
 
sport car
a small low car with a high-powered engine; usually seats two persons
 
sport kite
a maneuverable kite controlled by two lines and flown with both hands
 
sporting goods
sports equipment sold as a commodity
 
sports equipment
equipment needed to participate in a particular sport
 
sports implement
an implement used in a sport
 
spot
a business establishment for entertainment
 
spot
a playing card with a specified number of pips on it to indicate its value
 
spot market
a market in which a commodity is bought or sold for immediate delivery or delivery in the very near future
 
spot weld
each of the welds made by welding at a separate point
 
spot
a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
 
spout
an opening that allows the passage of liquids or grain
 
spouter
an oil well that is spouting
 
sprag
a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
 
spray
flower arrangement consisting of a single branch or shoot bearing flowers and foliage
 
spray gun
an applicator resembling a gun for applying liquid substances (as paint) in the form of a spray
 
spray paint
paint applied with a spray gun
 
spreader
a hand tool for spreading something
 
sprig
an ornament that resembles a spray of leaves or flowers
 
spring
a metal elastic device that returns to its shape or position when pushed or pulled or pressed
 
spring balance
a balance that measure weight by the tension on a helical spring
 
spring mattress
a mattress containing springs in a rigid frame
 
springboard
a flexible board for jumping upward
 
sprinkler
mechanical device that attaches to a garden hose for watering lawn or garden
 
sprinkler system
a system for extinguishing fires; water from a network of overhead pipes is released through nozzles that open automatically with the rise in temperature
 
sprit
a light spar that crosses a fore-and-aft sail diagonally
 
spritsail
a fore-and-aft sail extended by a sprit
 
sprocket
roller that has teeth on the rims to pull film or paper through
 
sprocket
thin wheel with teeth that engage with a chain
 
spud
a sharp hand shovel for digging out roots and weeds
 
spun yarn
(nautical) small stuff consisting of a lightweight rope made of several rope yarns loosely wound together
 
spur gear
gear wheels that mesh in the same plane
 
sputnik
a Russian artificial satellite
 
spy satellite
a satellite with sensors to detect nuclear explosions
 
squab
a soft padded sofa
 
squad room
a room in a barracks where soldiers are billeted
 
squad room
a room in a police station where members of the force assemble for roll call and duty assignments
 
square
a hand tool consisting of two straight arms at right angles; used to construct or test right angles
 
square
any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles
 
square knot
a double knot made of two half hitches and used to join the ends of two cords
 
square nut
nut with a square shape
 
square sail
a four-sided sail set beneath a horizontal yard suspended at the middle from a mast
 
square-rigger
a square-rigged sailing ship
 
squash ball
rubber ball used in playing squash
 
squash court
the indoor court in which squash is played
 
squeaker
any artifact that makes a squeaking sound when used
 
squeegee
T-shaped cleaning implement with a rubber edge across the top; drawn across a surface to remove water (as in washing windows)
 
squeezer
a kitchen utensil for squeezing juice from fruit
 
squelch
an electric circuit that cuts off a receiver when the signal becomes weaker than the noise
 
squib
firework consisting of a tube filled with powder (as a broken firecracker) that burns with a fizzing noise
 
squinch
a small arch built across the interior angle of two walls (usually to support a spire)
 
squirrel cage
cage with a cylindrical framework that rotates as a small animal runs inside it
 
squirt gun
plaything consisting of a toy pistol that squirts water
 
SSRI
an antidepressant drug that acts by blocking the reuptake of serotonin so that more serotonin is available to act on receptors in the brain
 
St. Andrew's cross
a cross resembling the letter x, with diagonal bars of equal length
 
St. Anthony's cross
cross resembling the Greek letter tau
 
St. Joseph
the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets
 
stabile
a sculpture having fixed units (usually constructed of sheet metal) and attached to a fixed support
 
stabiliser
a device for making something stable
 
stabilizer
airfoil consisting of a device for stabilizing an aircraft
 
stabling
accommodation for animals (especially for horses)
 
stacked heel
a heel made of many layers of leather
 
stacks
storage space in a library consisting of an extensive arrangement of bookshelves where most of the books are stored
 
staddle
a base or platform on which hay or corn is stacked
 
staff
a strong rod or stick with a specialized utilitarian purpose
 
stage
a large platform on which people can stand and can be seen by an audience
 
stage door
an entrance to the backstage area of theater; used by performers and other theater personnel
 
stage
a large coach-and-four formerly used to carry passengers and mail on regular routes between towns
 
stained-glass window
a window made of stained glass
 
stair
support consisting of a place to rest the foot while ascending or descending a stairway
 
stair-carpet
a strip of carpet for laying on stairs
 
stair-rod
a rod that holds a stair-carpet in the angle between two steps
 
staircase
a way of access (upward and downward) consisting of a set of steps
 
stairhead
platform at the top of a staircase
 
stairs
a flight of stairs or a flight of steps
 
stairwell
a vertical well around which there is a stairway
 
stake
a strong wooden or metal post with a point at one end so it can be driven into the ground
 
stake
instrument of execution consisting of a vertical post that a victim is tied to for burning
 
stalking-horse
screen consisting of a figure of a horse behind which a hunter hides while stalking game
 
stall
a compartment in a stable where a single animal is confined and fed
 
stall
seating in the forward part of the main level of a theater
 
stall bar
a gymnastic apparatus used for strengthening exercises; uprights fastened to a wall and connected by horizontal rungs
 
stammel
a coarse woolen cloth formerly used for undergarments and usually dyed bright red
 
stamp
a block or die used to imprint a mark or design
 
stamp album
an album for stamps
 
stamp mill
a mill in which ore is crushed with stamps
 
stamper
a power tool that stamps
 
stanchion
any vertical post or rod used as a support
 
stand
tiered seats consisting of a structure (often made of wood) where people can sit to watch an event (game or parade)
 
stand
a small table for holding articles of various kinds
 
standard
an upright pole or beam (especially one used as a support)
 
standard cell
a primary cell used as a standard of electromotive force
 
standard gauge
railroad track having the standard width of 56.5 inches
 
standard transmission
a transmission that is operated manually with a gear lever and a clutch pedal
 
standby
something that can be relied on when needed
 
standee
a lifesize cardboard cutout (usually of a celebrity)
 
standing press
a large printing press that exerts pressure vertically
 
standing room
room for passengers or spectators to stand
 
standpipe
a vertical pipe
 
Stanford University
a university in California
 
stanhope
a light open horse-drawn carriage with two or four wheels and one seat
 
Stanley Steamer
a steam-powered automobile
 
staple
paper fastener consisting of a short length of U-shaped wire that can fasten papers together
 
staple
a short U-shaped wire nail for securing cables
 
staple gun
a hand-held machine for driving staples home
 
stapler
a machine that inserts staples into sheets of paper in order to fasten them together
 
star drill
a steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blows
 
Star-Spangled Banner
the national flag of the United States of America
 
starboard
the right side of a ship or aircraft to someone who is aboard and facing the bow or nose
 
starter
an electric motor for starting an engine
 
starting block
block providing bracing for a runner's feet at start of a race
 
starting gate
a movable barrier on the starting line of a race course
 
stash house
a house where weapons and supplies are hidden
 
Stassano furnace
an electric furnace in which an electric arc provides the source of heat for making steel
 
state prison
a prison maintained by a state of the U.S.
 
Statehouse
a government building in which a state legislature meets
 
stately home
a mansion that is (or formerly was) occupied by an aristocratic family
 
stateroom
a guest cabin
 
static line
a cord used instead of a ripcord to open a parachute; the cord is attached at one end to the aircraft and temporarily attached to the pack of a parachute at the other; it opens the parachute after the jumper is clear of the plane
 
static tube
a measuring instrument used to measure static pressure in a stream of fluid
 
station
a facility equipped with special equipment and personnel for a particular purpose
 
Station of the Cross
a representation of any of the 14 stages in Christ's journey to Calvary
 
stator
mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves
 
statue
a sculpture representing a human or animal
 
Statue of Liberty
a large monumental statue symbolizing liberty on Liberty Island in New York Bay
 
stay
(nautical) brace consisting of a heavy rope or wire cable used as a support for a mast or spar
 
stay
a thin strip of metal or bone that is used to stiffen a garment (e.g. a corset)
 
staysail
a fore-and-aft sail set on a stay (as between two masts)
 
steak knife
a sharp table knife used in eating steak
 
stealth aircraft
an aircraft designed in accordance with technology that makes detection by radar difficult
 
stealth bomber
a bomber that is difficult to detect by radar
 
stealth fighter
a fighter that is difficult to detect by radar; is built for precise targeting and uses laser-guided bombs
 
steam bath
a room that can be filled with steam in which people bathe; `vapour bath' is a British term
 
steam chest
the chamber from which steam is distributed to a cylinder
 
steam engine
external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder
 
steam heat
a heating system in which steam is generated in boilers and piped to radiators
 
steam iron
a pressing iron that can emit steam
 
steam line
a pipe conducting steam
 
steam locomotive
a locomotive powered by a steam engine
 
steam shovel
a power shovel that is driven by steam
 
steam turbine
turbine in which steam strikes blades and makes them turn
 
steam whistle
a whistle in which the sound is produced by steam; usually attached to a steam boiler
 
steamboat
a boat propelled by a steam engine
 
steamer
a cooking utensil that can be used to cook food by steaming it
 
steamer
a ship powered by one or more steam engines
 
steamship company
a line responsible for the operation of a fleet of steamships
 
steel
knife sharpener consisting of a ridged steel rod
 
steel arch bridge
a steel bridge constructed in the form of an arch
 
steel drum
a concave percussion instrument made from the metal top of an oil drum; has an array of flattened areas that produce different tones when struck (of Caribbean origin)
 
steel engraving
engraving on a steel plate
 
steel engraving
an impression taken from an engraved steel plate
 
steel factory
a factory where steel is made
 
steel plate
a plate of steel
 
steel trap
a trap made of steel with a strong spring and sharp toothlike projections to hold the prey
 
steel-wool pad
abrader consisting of a pad of steel wool used for polishing or smoothing
 
steeper
a vessel (usually a pot or vat) used for steeping
 
steerage
the cheapest accommodations on a passenger ship
 
steering gear
a gear that couples the steering wheel to the steering linkage of a motor vehicle
 
steering linkage
mechanism consisting of a system of rods and levers connected to the front wheels of a motor vehicle; the steering gear pushes it left or right which swivels the front wheels, causing the vehicle to turn
 
steering mechanism
a mechanism by which something is steered (especially a motor vehicle)
 
steering wheel
a handwheel that is used for steering
 
stela
an ancient upright stone slab bearing markings
 
stem
the tube of a tobacco pipe
 
stem-winder
a watch that is wound by turning a knob at the stem
 
stemmer
a device for removing stems from fruit (as from grapes or apples)
 
stemmer
a miner's tamping bar for ramming packing in over a blasting charge
 
Sten gun
a lightweight British submachine gun
 
stench bomb
a small bomb designed to give off a foul odor when it explodes
 
stencil
a sheet of material (metal, plastic, cardboard, waxed paper, silk, etc.) that has been perforated with a pattern (printing or a design); ink or paint can pass through the perforations to create the printed pattern on the surface below
 
stenograph
a machine for typewriting shorthand characters
 
stent
a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis
 
step
a solid block joined to the beams in which the heel of a ship's mast or capstan is fixed
 
step ladder
a folding portable ladder hinged at the top
 
step stool
a stool that has one or two steps that fold under the seat
 
step-down transformer
a transformer that reduces voltage
 
step-up transformer
a transformer that increases voltage
 
stepper
a motor (especially an electric motor) that moves or rotates in small discrete steps
 
stereo
reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound
 
stereo
two photographs taken from slightly different angles that appear three-dimensional when viewed together
 
stereoscope
an optical device for viewing stereoscopic photographs
 
stern chaser
a naval gun able to fire astern at a ship in chase
 
sternpost
(nautical) the principal upright timber at the stern of a vessel
 
sternwheeler
a paddle steamer having the paddle wheel in the stern
 
stethoscope
a medical instrument for listening to the sounds generated inside the body
 
Stetson
a hat made of felt with a creased crown
 
stewing pan
a saucepan used for stewing
 
stick
an implement consisting of a length of wood
 
stick
a long thin implement resembling a length of wood
 
stick
a long implement (usually made of wood) that is shaped so that hockey or polo players can hit a puck or ball
 
stick figure
drawing of a human or animal that represents the head by a circle and the rest of the body by straight lines
 
stick horse
a child's plaything consisting on an imitation horse's head on one end of a stick
 
stickpin
a decorative pin that is worn in a necktie
 
stile
an upright that is a member in a door or window frame
 
stiletto
a small dagger with a tapered blade
 
still
an apparatus used for the distillation of liquids; consists of a vessel in which a substance is vaporized by heat and a condenser where the vapor is condensed
 
still
a static photograph (especially one taken from a movie and used for advertising purposes)
 
still life
a painting of inanimate objects such as fruit or flowers
 
still room
a pantry or storeroom connected with the kitchen (especially in a large house) for preparing tea and beverages and for storing liquors and preserves and tea etc
 
Stillson wrench
a large pipe wrench with L-shaped adjustable jaws that tighten as pressure on the handle is increased
 
stilt
one of two stout poles with foot rests in the middle; used for walking high above the ground
 
Stinger
a portable low altitude surface-to-air missile system using infrared guidance and an impact fuse; fired from the shoulder
 
stinker
anything that gives off an offensive odor (especially a cheap cigar)
 
stirrer
an implement used for stirring
 
stirrup pump
a hand-operated reciprocating pump; used in fighting fires
 
stirrup
support consisting of metal loops into which rider's feet go
 
stitch
a link or loop or knot made by an implement in knitting, crocheting, embroidery, or sewing
 
stob
a short straight stick of wood
 
stock
the handle end of some implements or tools
 
stock
lumber used in the construction of something
 
stock car
a racing car with the basic chassis of a commercially available car
 
stock car
a car kept in dealers' stock for regular sales
 
stock image
an exisitng photograph licensed for a specific use
 
stock room
storeroom for storing goods and supplies used in a business
 
stock ticker
a character printer that automatically prints stock quotations on ticker tape
 
stock-in-trade
any equipment constantly used as part of a profession or occupation
 
stockade
fortification consisting of a fence made of a line of stout posts set firmly for defense
 
stockcar
boxcar with latticed sides; for transporting livestock
 
stockinet
knit used especially for infants' wear and undergarments
 
stockinette stitch
knitting stitch having alternate rows of knit stitches and purl stitches, producing a fabric as for stockings
 
stocking
close-fitting hosiery to cover the foot and leg; come in matched pairs (usually used in the plural)
 
stockpot
a pot used for preparing soup stock
 
stocks
a former instrument of punishment consisting of a heavy timber frame with holes in which the feet (and sometimes the hands) of an offender could be locked
 
stocks
a frame for constraining an animal while it is receiving veterinary attention or while being shod
 
stocks
a frame that supports a boat while it is under construction
 
stockyard
enclosed yard where cattle, pigs, horses, or sheep are kept temporarily
 
stoep
small porch or set of steps at the front entrance of a house
 
stogie
a cheap cigar
 
stoker
a mechanical device for stoking a furnace
 
stole
a wide scarf worn about their shoulders by women
 
stomach pump
a suction pump used to remove the contents of the stomach
 
stomacher
garment consisting of a V-shaped panel of stiff material worn over the chest and stomach in the 16th century
 
stone
building material consisting of a piece of rock hewn in a definite shape for a special purpose
 
stone wall
a fence built of rough stones; used to separate fields
 
stoneware
ceramic ware that is fired in high heat and vitrified and nonporous
 
stonework
masonry done with stone
 
stool
a simple seat without a back or arms
 
stool pigeon
a dummy pigeon used to decoy others
 
stoop
basin for holy water
 
stop
(music) a knob on an organ that is pulled to change the sound quality from the organ pipes
 
stop watch
a timepiece that can be started or stopped for exact timing (as of a race)
 
stopper
(bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit
 
stopper knot
a knot that prevents a rope from passing through a hole
 
storage ring
container consisting of a set of magnets set in a doughnut-shaped ring around which charged particles from an accelerator can be kept circulating until they are used
 
storage room
a room in which things are stored
 
storage space
the area in any structure that provides space for storage
 
storage tank
a large (usually metallic) vessel for holding gases or liquids
 
storage warehouse
a storehouse for goods and merchandise
 
storm door
an extra outer door for protection against severe weather or winter
 
storm sash
a window outside an ordinary window to protect against severe weather or winter
 
stoup
an archaic drinking vessel
 
stove
any heating apparatus
 
stove bolt
a small machine bolt
 
stovepipe
chimney consisting of a metal pipe of large diameter that is used to connect a stove to a flue
 
stovepipe iron
plate iron that is thinner than tank iron
 
Stradavarius
a violin made by Antonio Stradivari or a member of his family
 
straight flute
a rock drill with flutes that are straight
 
straight pin
pin consisting of a short straight stiff piece of wire with a pointed end; used to fasten pieces of cloth or paper together
 
straight razor
a razor with a straight cutting edge enclosed in a case that forms a handle when the razor is opened for use
 
straight
a straight segment of a roadway or racecourse
 
straightedge
hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)
 
straightener
a device for straightening
 
straightjacket
a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person
 
strain gage
a gauge for measuring strain in a surface
 
strainer
a filter to retain larger pieces while smaller pieces and liquids pass through
 
strake
thick plank forming a ridge along the side of a wooden ship
 
strand
line consisting of a complex of fibers or filaments that are twisted together to form a thread or a rope or a cable
 
strap
whip consisting of a strip of leather used in flogging
 
strap
an elongated leather strip (or a strip of similar material) for binding things together or holding something in position
 
strap
hanger consisting of a loop of leather suspended from the ceiling of a bus or train; passengers hold onto it
 
strapless
a woman's garment that exposes the shoulders and has no shoulder straps
 
streamer fly
an artificial fly that has wings extending back beyond the crook of the fishhook
 
streamliner
a streamlined train
 
street
a thoroughfare (usually including sidewalks) that is lined with buildings
 
street
the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel
 
street clothes
ordinary clothing suitable for public appearances (as opposed to costumes or sports apparel or work clothes etc.)
 
street lamp
a lamp supported on a lamppost; for illuminating a street
 
streetcar track
the track on which trams or streetcars run
 
streetcar
a wheeled vehicle that runs on rails and is propelled by electricity
 
streptomycin
an antibiotic produced by the actinomycete Streptomyces griseus and used to treat tuberculosis
 
streptothricin
a basic antibiotic derived from a soil actinomycete
 
stretch
a straightaway section of a racetrack
 
stretch pants
trousers made of a stretchy fabric
 
stretcher
a litter for transporting people who are ill or wounded or dead; usually consists of a sheet of canvas stretched between two poles
 
stretcher
a mechanical device used to make something larger (as shoes or gloves) by stretching it
 
stretcher
a wooden framework on which canvas is stretched and fixed for oil painting
 
strickle
a tool used in a foundry to shape a mold in sand
 
strickle
a tool or rod used to level off grain or other granular material that is heaped in a measure
 
strickle
an implement for sharpening scythes
 
striker
the part of a mechanical device that strikes something
 
string
a tightly stretched cord of wire or gut, as a part of an instrument or a tennis racket
 
string
a collection of objects threaded on a single strand
 
string tie
a very narrow necktie usually tied in a bow
 
string
a lightweight cord
 
stringed instrument
a musical instrument in which taut strings provide the source of sound
 
stringer
a long horizontal timber to connect uprights
 
stringer
brace consisting of a longitudinal member to strengthen a fuselage or hull
 
strip
thin piece of wood or metal
 
strip lighting
light consisting of long tubes (instead of bulbs) that provide the illumination
 
strip mall
a mercantile establishment consisting of a row of various stores and business and restaurants along a road or busy street; usually opening on a parking lot
 
strip mine
an open mine (usually for coal) where the seams run close to the surface
 
stripper
an oil well whose production has declined to less than ten barrels a day
 
strobe
scientific instrument that provides a flashing light synchronized with the periodic movement of an object; can make moving object appear stationary
 
strongroom
a burglarproof and fireproof room in which valuables are kept
 
strop
a leather strap used to sharpen razors
 
structural member
support that is a constituent part of any structure or building
 
strut
brace consisting of a bar or rod used to resist longitudinal compression
 
stub nail
a short thick nail
 
stud farm
a farm where horses are bred
 
stud finder
a small permanent magnet in a metal container; when the magnet clicks against the container it indicates that the magnet is directly over an iron nail that holds the wallboard to a stud
 
student center
a center for student activities at a college or university
 
student lamp
a reading lamp with a flexible neck; used on a desk
 
student union
a building on a college campus dedicated to social and organizational activities of the student body
 
studio
workplace for the teaching or practice of an art
 
studio
workplace consisting of a room or building where movies or television shows or radio programs are produced and recorded
 
studio
an apartment with a living space and a bathroom and a small kitchen
 
study
a room used for reading and writing and studying
 
study hall
a classroom reserved for study
 
stuff
miscellaneous unspecified objects
 
stuffing
padding put in mattresses and cushions and upholstered furniture
 
stumbling block
any obstacle or impediment
 
stump
(cricket) any of three upright wooden posts that form the wicket
 
stun baton
a weapon designed to disable a victim temporarily by delivering a nonlethal high-voltage electric shock
 
stupa
a dome-shaped shrine erected by Buddhists
 
style
a pointed tool for writing or drawing or engraving
 
stylus
a sharp pointed device attached to the cartridge of a record player
 
stylus printer
an impact printer in which each character is represented by a pattern of dots made by wires or styli
 
sub-assembly
a unit assembled separately but designed to fit with other units in a manufactured product
 
subbase
the lowest molding of an architectural base or of a baseboard
 
subcompact
a car smaller than a compact car
 
subdivision
a section of a section; a part of a part; i.e., a part of something already divided
 
Sublimaze
trade names of a narcotic analgesic that can be inhaled and that acts on the central nervous system and may become addictive; used as a veterinary anesthetic and with other drugs before, during, and after surgery; also used as a nonlethal gas to incapacitate people in hostage situations; also abused as a recreational drug
 
submachine gun
machine gun that is a portable automatic firearm
 
submarine torpedo
a torpedo designed to be launched from a submarine
 
submersible
an apparatus intended for use under water
 
submersible
a warship designed to operate under water
 
substation
a subsidiary station where electricity is transformed for distribution by a low-voltage network
 
subtilin
a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium
 
subtracter
a machine that subtracts numbers
 
subway station
a terminal where subways load and unload passengers
 
subway token
a token that is used to pay for entry to the subway system
 
subway train
a train that runs in a subway system
 
subway
an underground tunnel or passage enabling pedestrians to cross a road or railway
 
subwoofer
a loudspeaker that is designed to reproduce very low bass frequencies
 
succinylcholine
a muscle relaxant for striated muscle that is used as an adjunct to anesthesia during certain surgical procedures
 
suction cup
a cup-shaped device (made of rubber, glass, or plastic) that produces a partial vacuum; used to adhere or draw something to a surface
 
suction pump
a pump for raising fluids by suction
 
Sudafed
vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation
 
sudatorium
a bathhouse for hot air baths or steam baths
 
sudatory
a medicine that causes or increases sweating
 
suede
a fabric made to resemble suede leather
 
sugar bowl
a dish in which sugar is served
 
sugar refinery
a refinery for sugar
 
sugar shell
a spoon for serving sugar; often made in the shape of a seashell
 
suit
playing card in any of four sets of 13 cards in a pack; each set has its own symbol and color
 
suit
a set of garments (usually including a jacket and trousers or skirt) for outerwear all of the same fabric and color
 
suiting
a fabric used for suits
 
Sulamyd
a topical sulfonamide (trade name Sulamyd) used to treat eye infections
 
sulfa
antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA
 
sulfadiazine
a sulfa drug used in treating meningitis and pneumonia and other infections
 
sulfamethazine
a sulfa drug used like sulfadiazine and also in veterinary medicine
 
sulfanilamide
a white odorless crystalline sulfa drug; the parent compound of most of the sulfa drugs
 
sulfapyridine
sulfa drug derived from pyridine and sulfanilamide
 
sulfonylurea
antidiabetic consisting of any of several drugs that reduce the level of glucose in the blood; used to treat diabetes mellitus
 
sulfur mine
a mine where sulphur is dug from the ground
 
sulky
a light two-wheeled vehicle for one person; drawn by one horse
 
summer house
a country house (usually located in the country) that provides a cool place to live in the summer
 
sumo ring
the circular ring in which Sumo wrestlers compete
 
sump
a well or other hole in which water has collected
 
sump
an oil reservoir in an internal combustion engine
 
sump pump
a suction pump for removing liquid from a sump
 
sun blocker
a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn
 
sun deck
an unroofed deck
 
sun gear
the central gear in an epicyclic train
 
sun hat
a hat with a broad brim that protects the face from direct exposure to the sun
 
sun lamp
a mercury-vapor lamp used in medical or cosmetic treatments
 
sun visor
a shade (sometimes of green mica) affixed above the windshield of an automobile
 
sunbonnet
a large bonnet that shades the face; worn by girls and women
 
sunburst
a jeweled brooch with a pattern resembling the sun
 
sunburst
a design consisting of a central disk resembling the sun and rays emanating from it
 
sunburst pleat
knife pleat cut on the bias to produce a flared effect
 
Sunday clothes
the best attire you have which is worn to church on Sunday
 
sundial
timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
 
sundress
a light loose sleeveless summer dress with a wide neckline and thin shoulder straps that expose the arms and shoulders
 
sundries
miscellaneous objects too numerous or too small to be specified
 
sunglass
a convex lens that focuses the rays of the sun; used to start a fire
 
sunken garden
a garden set below the level of the ground surrounding it
 
sunroof
an automobile roof having a sliding or raisable panel
 
sunsuit
a child's garment consisting of a brief top and shorts
 
supercharger
compressor that forces increased oxygen into the cylinders of an internal-combustion engine
 
supercomputer
a mainframe computer that is one of the most powerful available at a given time
 
superconducting supercollider
a collider that operates at very low temperatures
 
superficies
outer surface of an area or a body
 
supermarket
a large self-service grocery store selling groceries and dairy products and household goods
 
superstructure
structure consisting of the part of a ship above the main deck
 
supertanker
the largest class of oil tankers
 
supper club
usually a small luxurious nightclub
 
supplejack
walking stick made from the wood of an American tropical vine
 
supply chamber
a mechanical device for holding something and supplying it as needed
 
supply closet
a closet for storing supplies
 
supply ship
ship that usually provides supplies to other ships
 
support
any device that bears the weight of another thing
 
support
supporting structure that holds up or provides a foundation
 
support column
a column that supports a heavy weight
 
support hose
elasticized stocking intended to reduce pressure on the veins of the leg (as in case of varicose veins)
 
supporting structure
a structure that serves to support something
 
supporting tower
a tower that serves to support something
 
suppository
a small plug of medication designed for insertion into the rectum or vagina where it melts
 
suppresser
an electrical device for suppressing unwanted currents
 
surbase
the molding or border above the base of a structure (a pedestal or podium or wall)
 
surcoat
a tunic worn over a knight's armor
 
surcoat
a loose outer coat usually of rich material
 
surface
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
 
surface lift
a ski tow that pulls skiers up a slope without lifting them off the ground
 
surface search radar
a naval radar to search for surface targets
 
surface ship
a warship that operates on the surface of the water
 
surface-to-air missile system
the shipboard system that fires missiles at aircraft
 
surfboard
a narrow buoyant board for riding surf
 
surfboat
a boat that can be launched or landed in heavy surf
 
surgeon's knot
any of several knots used in tying stitches or ligatures
 
surgery
a room where a doctor or dentist can be consulted
 
surgical dressing
a loosely woven cotton dressing for incisions made during surgery
 
surgical instrument
a medical instrument used in surgery
 
surgical knife
a very sharp knife used in surgery
 
surgical seam
a seam used in surgery
 
Surmontil
tricyclic antidepressant drug (trade name Surmontil) used to treat depression and anxiety and (sometimes) insomnia
 
surplice
a loose-fitting white ecclesiastical vestment with wide sleeves
 
surrey
a light four-wheeled horse-drawn carriage; has two or four seats
 
surtout
a man's overcoat in the style of a frock coat
 
surveillance system
a closed-circuit television system used to maintain close observation of a person or group
 
surveying instrument
an instrument used by surveyors
 
surveyor's level
surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land
 
sushi bar
a bar where sushi is served
 
suspension bridge
a bridge that has a roadway supported by cables that are anchored at both ends
 
suspension
a mechanical system of springs or shock absorbers connecting the wheels and axles to the chassis of a wheeled vehicle
 
suspensory
a bandage of elastic fabric applied to uplift a dependant part (as the scrotum or a pendulous breast)
 
suture
thread of catgut or silk or wire used by surgeons to stitch tissues together
 
swab
implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a specimen of a secretion
 
swaddling bands
a garment (a gown or narrow strips of cloth) for an infant
 
swag
a bundle containing the personal belongings of a swagman
 
swage block
an iron block cut with holes and grooves to assist in cold working metal
 
swage
a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging
 
swagger stick
a short cane or stick covered with leather and carried by army officers
 
swan's down
soft woolen fabric used especially for baby clothes
 
swatch
a sample piece of cloth
 
swathe
an enveloping bandage
 
swathing
cloth coverings wrapped around something (as a wound or a baby)
 
sweat bag
a porous bag (usually of canvas) that holds water and cools it by evaporation
 
sweat pants
loose-fitting trousers with elastic cuffs; worn by athletes
 
sweat suit
garment consisting of sweat pants and a sweatshirt
 
sweatband
a band of fabric or leather sewn inside the crown of a hat
 
sweatband
a band of material tied around the forehead or wrist to absorb sweat
 
sweatbox
a device that causes tobacco leaves or fruit or hides to sweat
 
sweatbox
small or narrow cell
 
sweatshirt
cotton knit pullover with long sleeves worn during athletic activity
 
sweatshop
factory where workers do piecework for poor pay and are prevented from forming unions; common in the clothing industry
 
sweep hand
a second hand that is mounted on the same center as the hour and minute hand and is read on the minutes
 
sweep
a long oar used in an open boat
 
swing
mechanical device used as a plaything to support someone swinging back and forth
 
swing door
a door that swings on a double hinge; opens in either direction
 
swingletree
a crossbar that is attached to the traces of a draft horse and to the vehicle or implement that the horse is pulling
 
switch
a flexible implement used as an instrument of punishment
 
switch
railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
 
switch
hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
 
swivel
a coupling (as in a chain) that has one end that turns on a headed pin
 
swivel chair
a chair that swivels on its base
 
swizzle stick
a small stick used to stir mixed drinks
 
sword cane
a cane concealing a sword or dagger
 
sword knot
an ornamental tassel on the hilt of a sword
 
Sydney Harbor Bridge
a steel arch bridge in Sydney, Australia
 
synagogue
(Judaism) the place of worship for a Jewish congregation
 
synchrocyclotron
cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field
 
synchroflash
a device used in photography to synchronize the peak of a flash with the opening of the camera shutter
 
synchromesh
an automotive system for shifting gears in which the gears revolve at the same speed and so shift smoothly
 
synchroniser
an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)
 
synchronous motor
electric motor in which the speed of rotation is proportional to the frequency of the A.C. power
 
synchrotron
cyclotron in which the electric field is maintained at a constant frequency
 
synergist
a drug that augments the activity of another drug
 
synthesiser
(music) an electronic instrument (usually played with a keyboard) that generates and modifies sounds electronically and can imitate a variety of other musical instruments
 
synthetism
a genre of French painting characterized by bright flat shapes and symbolic treatments of abstract ideas
 
syringe
a medical instrument used to inject or withdraw fluids
 
system
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
 
system clock
an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components
 
system clock
a time-of-day clock in a computer system
 
T hinge
a hinge that looks like the letter T when it is opened; similar to a strap hinge except that one strap has been replaced by half of a butt hinge that can be mortised flush into the stationary frame
 
T-junction
a junction where two roads or pipes etc. meet to form a T
 
T-network
a circuit formed by two equal series circuits with a shunt between them
 
T-shirt
a close-fitting pullover shirt
 
T-square
a square used by draftsmen to draw parallel lines
 
tab
a short strip of material attached to or projecting from something in order to facilitate opening or identifying or handling it
 
tab
the key on a typewriter or a word processor that causes a tabulation
 
tabard
a short sleeveless outer tunic emblazoned with a coat of arms; worn by a knight over his armor or by a herald
 
Tabernacle
(Judaism) a portable sanctuary in which the Jews carried the Ark of the Covenant on their exodus
 
tabi
a sock with a separation for the big toe; worn with thong sandals by the Japanese
 
table
a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs
 
table
a piece of furniture with tableware for a meal laid out on it
 
table knife
a knife used for eating at dining table
 
table lamp
a lamp that sits on a table
 
table saw
a circular saw mounted under a table or bench so that the blade of the saw projects up through a slot
 
tablecloth
a covering spread over a dining table
 
tablefork
a fork for eating at a dining table
 
tablespoon
a spoon larger than a dessert spoon; used for serving
 
tablet
a small flat compressed cake of some substance
 
tablet
a slab of stone or wood suitable for bearing an inscription
 
tablet-armed chair
a chair with an arm that has been widened for writing
 
tabletop
the top horizontal work surface of a table
 
tableware
articles for use at the table (dishes and silverware and glassware)
 
tabor pipe
a small fipple flute that is played with the left hand while the right hand is free to beat a tabor
 
tabor
a small drum with one head of soft calfskin
 
taboret
a low stool in the shape of a drum
 
tach
measuring instrument for indicating speed of rotation
 
tacheometer
a theodolite designed for rapid measurements
 
tachistoscope
scientific instrument used by psychologists; presents visual stimuli for brief exposures
 
tachograph
a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle
 
tack
a short nail with a sharp point and a large head
 
tack hammer
a light hammer that is used to drive tacks
 
Tacoma Narrows Bridge
a suspension bridge across Puget Sound at Tacoma
 
taffeta
a crisp smooth lustrous fabric
 
taffrail
the railing around the stern of a ship
 
Tagamet
a drug (trade name Tagamet) used to treat peptic ulcers by decreasing the secretion of stomach acid
 
tail
(usually plural) the reverse side of a coin that does not bear the representation of a person's head
 
tail fin
a stabilizer that is part of the vertical tail structure of an airplane
 
tail gate
a gate downstream from a lock or canal that is used to control the flow of water at the lower end
 
tailboard
a gate at the rear of a vehicle; can be lowered for loading
 
tailor's chalk
chalk used by tailors to make temporary marks on cloth
 
tailor's tack
a loose, looped, sewing stitch used to transfer marking for darts, etc., from a pattern to material
 
tailor-made
custom-made clothing
 
tailpiece
appendage added to extend the length of something
 
tailpipe
a pipe carrying fumes from the muffler to the rear of a car
 
tailrace
a watercourse that carries water away from a mill or water wheel or turbine
 
tailstock
support consisting of the movable part of a lathe that slides along the bed in alignment with the headstock and is locked into position to support the free end of the workpiece
 
Taj Mahal
beautiful mausoleum at Agra built by the Mogul emperor Shah Jahan (completed in 1649) in memory of his favorite wife
 
take-up
any of various devices for reducing slack (as in a sewing machine) or taking up motion (as in a loom)
 
talaria
a winged sandal (as worn by Hermes in Graeco-Roman art)
 
talcum
a toilet powder made of purified talc and usually scented; absorbs excess moisture
 
talking book
sound recording of someone reading a book; frequently used by blind people
 
Talwin
analgesic drug (trade name Talwin) that is less addictive than morphine
 
tam
a woolen cap of Scottish origin
 
Tambocor
oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients
 
tambour
a drum
 
tambourine
a shallow drum with a single drumhead and with metallic disks in the sides
 
tammy
plain-woven (often glazed) fabric of wool or wool and cotton used especially formerly for linings and garments and curtains
 
tamp
a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)
 
Tampax
tampon used to absorb menstrual flow
 
tampion
plug for the muzzle of a gun to keep out dust and moisture
 
tampon
plug of cotton or other absorbent material; inserted into wound or body cavity to absorb exuded fluids (especially blood)
 
Tandearil
an anti-inflammatory drug (trade name Tandearil) used to treat arthritis and bursitis
 
tandem trailer
trucking rig with two trailers in tandem
 
tandoor
a clay oven used in northern India and Pakistan
 
tangram
a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs
 
tank circuit
an oscillatory circuit
 
tank destroyer
an armored vehicle equipped with an antitank gun and capable of high speeds
 
tank engine
a locomotive that carries its own fuel and water; no tender is needed
 
tank furnace
furnace into one end of which a batch of measured raw materials is shoveled and from the other end molten glass is obtained
 
tank iron
plate iron that is thinner than boilerplate but thicker than sheet iron or stovepipe iron
 
tank shell
a shell fired by the cannon on a tank
 
tank top
a tight-fitting sleeveless shirt with wide shoulder straps and low neck and no front opening; often worn over a shirt or blouse
 
tank
a freight car that transports liquids or gases in bulk
 
tanka
a Tibetan religious painting on fabric
 
tankard
large drinking vessel with one handle
 
tanker plane
an airplane constructed to transport chemicals that can be dropped in order to fight a forest fire
 
tannery
workplace where skins and hides are tanned
 
tannoy
a loudspeaker
 
tap
a tool for cutting female (internal) screw threads
 
tap
a small metal plate that attaches to the toe or heel of a shoe (as in tap dancing)
 
tap house
a building with a bar that is licensed to sell alcoholic drinks
 
tap wrench
a wrench for turning a tap to create an internal screw thread
 
tapa
a paperlike cloth made in the South Pacific by pounding tapa bark
 
tape
a long thin piece of cloth or paper as used for binding or fastening
 
tape cartridge
a cartridge containing magnetic tape; for use with audio or video recorders or computer systems
 
tape deck
electronic equipment for making or playing magnetic tapes (but without amplifiers or speakers); a component in an audio system
 
tape drive
a mechanism that transports magnetic tape across the read/write heads of a tape playback/recorder
 
tape machine
a magnetic recorder using magnetic tape
 
tape player
electronic equipment for playing back magnetic tapes
 
tape
measuring instrument consisting of a narrow strip (cloth or metal) marked in inches or centimeters and used for measuring lengths
 
tape
a recording made on magnetic tape
 
taper file
a file with converging edges
 
taper
a loosely woven cord (in a candle or oil lamp) that draws fuel by capillary action up into the flame
 
tapestry
a heavy textile with a woven design; used for curtains and upholstery
 
Tappan Zee Bridge
a cantilever bridge across the Hudson River
 
tappet
a lever that is moved in order to tap something else
 
tare
(chemical analysis) a counterweight used in chemical analysis; consists of an empty container that counterbalances the weight of the container holding chemicals
 
target acquisition system
a shipboard system for the detection and identification and location of a target with enough detail to permit effective weapon employment
 
tarot
any of a set of (usually 78) cards that include 22 cards representing virtues and vices and death and fortune etc.; used for playing card games and for divination by fortunetellers
 
tarp
waterproofed canvas
 
tasse
one of two pieces of armor plate hanging from the fauld to protect the upper thighs
 
tassel
adornment consisting of a bunch of cords fastened at one end
 
tatting
needlework consisting of handmade lace made by looping and knotting a single thread on a small shuttle
 
tattoo
a design on the skin made by tattooing
 
tawse
a leather strap for punishing children
 
taxi strip
a paved surface in the form of a strip; used by planes taxiing to or from the runway at an airport
 
taximeter
a meter in a taxi that registers the fare (based on the length of the ride)
 
Tazicef
a parenteral cephalosporin (trade names Fortaz and Tazicef) used to treat moderate infections
 
tea bag
small paper bag holding a measure of tea
 
tea ball
a kitchen utensil consisting of a perforated metal ball for making tea
 
tea cart
serving cart for serving tea or light refreshments
 
tea chest
chest for storing or transporting tea
 
tea cloth
a small tablecloth
 
tea garden
a public garden where tea is served
 
tea gown
a long loose-fitting gown formerly popular for wear at afternoon tea
 
tea maker
a covered spoon with perforations
 
tea napkin
a small napkin used when tea is served
 
tea parlor
a restaurant where tea and light meals are available
 
tea service
a set of china or silverware for serving tea
 
tea table
a small table for serving afternoon tea
 
tea tray
a tray that accommodates a tea service
 
tea urn
an urn in which tea is brewed and from which it is served
 
tea-strainer
a device to keep back tea leaves when pouring a cup of tea
 
teaching aid
materials and equipment used in teaching
 
teacup
a cup from which tea is drunk
 
teakettle
kettle for boiling water to make tea
 
teapot
pot for brewing tea; usually has a spout and handle
 
teaser
a device for teasing wool
 
teaser
a flat at each side of the stage to prevent the audience from seeing into the wings
 
teaspoon
a small spoon used for stirring tea or coffee; holds about one fluid dram
 
technical
a pickup truck with a gun mounted on it
 
technology
machinery and equipment developed from engineering or other applied sciences
 
teddy
plaything consisting of a child's toy bear (usually plush and stuffed with soft materials)
 
teepee
a Native American tent; usually of conical shape
 
telco building
a building that houses telecommunications equipment
 
telecom equipment
a communication system for communicating at a distance
 
telegraph key
key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed
 
telegraph line
the wire that carries telegraph and telephone signals
 
telegraph pole
tall pole supporting telephone wires
 
telegraph
apparatus used to communicate at a distance over a wire (usually in Morse code)
 
telemeter
any scientific instrument for observing events at a distance and transmitting the information back to the observer
 
telephone bell
electric bell that rings to signal a call
 
telephoto lens
a camera lens that magnifies the image
 
telephoto
a photograph made with a telephoto lens
 
telephotograph
a photograph transmitted and reproduced over a distance
 
teleprinter
a character printer connected to a telegraph that operates like a typewriter
 
Teleprompter
a prompter for television performers
 
telescope sight
gunsight consisting of a telescope on a firearm for use as a sight
 
telethermometer
a thermometer that registers the temperature at some distant point
 
television antenna
an omnidirectional antenna tuned to the broadcast frequencies assigned to television
 
television equipment
electronic equipment that broadcasts or receives electromagnetic waves representing images and sound
 
television monitor
monitor used in a studio for monitoring the program being broadcast
 
television pickup tube
a tube that rapidly scans an optical image and converts it into electronic signals
 
television room
a room set aside for viewing television
 
television transmitter
transmitter that is part of a television system
 
television
a telecommunication system that transmits images of objects (stationary or moving) between distant points
 
telfer
one of the conveyances (or cars) in a telpherage
 
telferage
a transportation system in which cars (telphers) are suspended from cables and operated on electricity
 
temple
place of worship consisting of an edifice for the worship of a deity
 
temple
an edifice devoted to special or exalted purposes
 
Temple of Artemis
a large temple at Ephesus that was said to be one of the seven wonders of the ancient world
 
Temple of Jerusalem
any of three successive temples in Jerusalem that served as the primary center for Jewish worship; the first temple contained the Ark of the Covenant and was built by Solomon in the 10th century BC and destroyed by Nebuchadnezzar in 586 BC; the second was built in 515 BC and the third was an enlargement by Herod the Great in 20 BC that was destroyed by the Romans during a Jewish revolt in AD 70; all that remains is the Wailing Wall
 
ten
one of four playing cards in a deck with ten pips on the face
 
tender
car attached to a locomotive to carry fuel and water
 
tenement
a run-down apartment house barely meeting minimal standards
 
tennis ball
ball about the size of a fist used in playing tennis
 
tennis camp
a camp where tennis is taught
 
tennis court
the court on which tennis is played
 
tennis racket
a racket used to play tennis
 
tenon
a projection at the end of a piece of wood that is shaped to fit into a mortise and form a mortise joint
 
tenor drum
any of various drums with small heads
 
Tenoretic
trade name for an antihypertensive drug consisting of a fixed combination of atenolol and a diuretic
 
Tenormin
an oral beta blocker (trade name Tenormin) used in treating hypertension and angina; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
 
tenoroon
a tenor bassoon; pitched a fifth higher than the ordinary bassoon
 
tenpenny nail
a nail 3 inches long
 
tenpin
one of the bottle-shaped pins used in bowling
 
tensimeter
a manometer for measuring vapor pressure
 
tensiometer
a measuring instrument for measuring the surface tension of a liquid
 
tensiometer
a measuring instrument for measuring the tension in a wire or fiber or beam
 
tensiometer
a measuring instrument for measuring the moisture content of soil
 
tent peg
a peg driven into the ground to hold a rope supporting a tent
 
tenter
a framework with hooks used for stretching and drying cloth
 
tenterhook
one of a series of hooks used to hold cloth on a tenter
 
term
(architecture) a statue or a human bust or an animal carved out of the top of a square pillar; originally used as a boundary marker in ancient Rome
 
terminal
electronic equipment consisting of a device providing access to a computer; has a keyboard and display
 
terminus
either end of a railroad or bus route
 
terra cotta
a hard unglazed brownish-red earthenware
 
terraced house
a house that is part of a terrace
 
Terramycin
a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections
 
terrarium
a vivarium in which selected living plants are kept and observed
 
terry
a pile fabric (usually cotton) with uncut loops on both sides; used to make bath towels and bath robes
 
Terylene
a kind of polyester fabric
 
Tesla coil
a step-up transformer with an air core; used to produce high voltages at high frequencies
 
tessella
a small tessera
 
tessera
a small square tile of stone or glass used in making mosaics
 
test bed
a place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions
 
test equipment
equipment required to perform a test
 
test paper
paper impregnated with an indicator for use in chemical tests
 
test range
a range for conducting tests
 
test room
a room in which tests are conducted
 
test tube
glass tube closed at one end
 
tester
a flat canopy (especially one over a four-poster bed)
 
testudo
a movable protective covering that provided protection from above; used by Roman troops when approaching the walls of a besieged fortification
 
tetracaine
a crystalline compound used in the form of a hydrochloride as a local anesthetic
 
tetraskele
a figure consisting of four stylized human arms or legs (or bent lines) radiating from a center
 
tetrode
a thermionic tube having four electrodes
 
textile machine
a machine for making textiles
 
textile mill
a factory for making textiles
 
thalidomide
a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis
 
Thalidone
a diuretic (trade names Hygroton and Thalidone) used to control hypertension and conditions that cause edema; effective in lowering blood pressure to prevent heart attacks
 
thatch
a house roof made with a plant material (as straw)
 
THC
psychoactive substance present in marijuana
 
theater curtain
a hanging cloth that conceals the stage from the view of the audience; rises or parts at the beginning and descends or closes between acts and at the end of a performance
 
theater light
any of various lights used in a theater
 
theater stage
a stage in a theater on which actors can perform
 
theodolite
a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
 
theremin
an electronic musical instrument; melodies can be played by moving the right hand between two rods that serve as antennas to control pitch; the left hand controls phrasing
 
thermal printer
a printer that produces characters by applying heat to special paper that is sensitive to heat
 
thermal reactor
a nuclear reactor in which nuclear fissions are caused by neutrons that are slowed down by a moderator
 
thermal resistor
a semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit
 
thermocouple
a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference
 
thermograph
medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body
 
thermograph
a thermometer that records temperature variations on a graph as a function of time
 
thermogravimeter
a hydrometer that includes a thermometer
 
thermojunction
a junction between two dissimilar metals across which a voltage appears
 
thermometer
measuring instrument for measuring temperature
 
thermopile
a kind of thermometer for measuring heat radiation; consists of several thermocouple junctions in series
 
thermoregulator
a regulator for automatically regulating temperature by starting or stopping the supply of heat
 
thermos
vacuum flask that preserves temperature of hot or cold drinks
 
thiabendazole
an antifungal agent and anthelmintic
 
thiazide
any of a group of drugs commonly used as diuretics in the treatment of hypertension; they block the reabsorption of sodium in the kidneys
 
thigh pad
protective garment consisting of a pad worn over the thighs by football players
 
thill
one of two shafts extending from the body of a cart or carriage on either side of the animal that pulls it
 
thimble
a small metal cap to protect the finger while sewing; can be used as a small container
 
thing
an artifact
 
thing
an entity that is not named specifically
 
thinning shears
shears with one serrate blade; used for thinning hair
 
thioguanine
an antineoplastic drug used to treat acute leukemias
 
Thiosulfil
trade name for a sulfonamide antibacterial
 
thiotepa
an antineoplastic drug used to treat certain malignancies
 
third class
inexpensive accommodations on a ship or train
 
third rail
a rail through which electric current is supplied to an electric locomotive
 
third
the base that must be touched third by a base runner in baseball
 
third
the third from the lowest forward ratio gear in the gear box of a motor vehicle
 
Thompson submachine gun
a .45-caliber submachine gun
 
thong
a thin strip of leather; often used to lash things together
 
thong
underpants resembling a G-string; worn by women especially under very tight pants
 
Thorazine
a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer
 
thoroughfare
a public road from one place to another
 
thrasher
a farm machine for separating seeds or grain from the husks and straw
 
thread
a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving
 
three
one of four playing cards in a deck having three pips
 
three-decker
a warship carrying guns on three decks
 
three-decker
any ship having three decks
 
three-piece suit
a business suit consisting of a jacket and vest and trousers
 
three-point switch
an electric switch that has three terminals; used to control a circuit from two different locations
 
three-quarter binding
the spine and much of the sides are a different material from the rest of the cover
 
threshing floor
a floor or ground area for threshing or treading out grain
 
threshold element
a logic element that performs a threshold operation
 
throat
a passage resembling a throat in shape or function
 
throat
an opening in the vamp of a shoe at the instep
 
throat protector
protective garment worn by hockey goalkeeper and catcher in baseball
 
throne
the chair of state for a monarch, bishop, etc.
 
throstle
a spinning machine formerly used to twist and wind fibers of cotton or wool continuously
 
throughput
output relative to input; the amount passing through a system from input to output (especially of a computer program over a period of time)
 
throw
bedclothes consisting of a lightweight cloth covering (an afghan or bedspread) that is casually thrown over something
 
throw pillow
a small cushion that is used for decorative purposes
 
thrust bearing
a bearing designed to take thrusts parallel to the axis of revolution
 
thrust stage
a theater stage that extends out into the audience's part of a theater and has seats on three sides
 
thruster
a small rocket engine that provides the thrust needed to maneuver a spacecraft
 
thumb
the part of a glove that provides a covering for the thumb
 
thumb index
one of a series of rounded notches in the fore edge of a book to indicate sections
 
thumbhole
a finger hole made to fit the thumb (as in a bowling ball)
 
thumbhole
the hole in a woodwind that is closed and opened with the thumb
 
thumbscrew
screw designed to be turned with the thumb and fingers
 
thumbscrew
instrument of torture that crushes the thumb
 
thumbstall
protective covering for an injured thumb
 
thunderer
a noisemaker that makes a sound like thunder
 
tiara
a jeweled headdress worn by women on formal occasions
 
tick
a light mattress
 
ticker
a small portable timepiece
 
ticket window
a window through which tickets are sold (as from a ticket booth)
 
ticking
a strong fabric used for mattress and pillow covers
 
tickler coil
a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback
 
tidemark
indicator consisting of a line at the highwater or low-water limits of the tides
 
tidy
receptacle that holds odds and ends (as sewing materials)
 
tie
a cord (or string or ribbon or wire etc.) with which something is tied
 
tie clip
a piece of jewelry that holds a man's tie in place
 
tie rack
a rack for storing ties
 
tie rod
either of two rods that link the steering gear to the front wheels
 
tie
a horizontal beam used to prevent two other structural members from spreading apart or separating
 
tier
one of two or more layers one atop another
 
tier
something that is used for tying
 
tiered seat
seating that is arranged in sloping tiers so that spectators in the back can see over the heads of those in front
 
tightrope
tightly stretched rope or wire on which acrobats perform high above the ground
 
tile
a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces
 
tile
game equipment consisting of a flat thin piece marked with characters and used in board games like Mah-Jong, Scrabble, etc.
 
tile cutter
a cutter (tool for cutting) for floor tiles
 
tile roof
a roof made of fired clay tiles
 
tiller
lever used to turn the rudder on a boat
 
tilt-top table
a pedestal table whose top is hinged so that it can be tilted to a vertical position
 
tilter
a device for emptying a cask by tilting it without disturbing the dregs
 
timber
a beam made of wood
 
timber
a post made of wood
 
timber hitch
a hitch used to secure a rope to a log or spar; often supplemented by a half hitch
 
timbrel
small hand drum similar to a tambourine; formerly carried by itinerant jugglers
 
time capsule
container for preserving historical records to be discovered at some future time
 
time clock
clock used to record the hours that people work
 
time exposure
a photograph produced with a relatively long exposure time
 
time machine
a science fiction machine that is supposed to transport people or objects into the past or the future
 
time-ball
a ball that slides down a staff to show a fixed time; especially at an observatory
 
time-delay measuring instrument
chronoscope for measuring the time difference between two events
 
time-fuse
a fuse made to burn for a given time (especially to explode a bomb)
 
time-switch
a switch set to operate at a desired time
 
timecard
a card used with a time clock to record an employee's starting and quitting times each day
 
timer
a timepiece that measures a time interval and signals its end
 
timer
a regulator that activates or deactivates a mechanism at set times
 
tin
a vessel (box, can, pan, etc.) made of tinplate and used mainly in baking
 
tin can
informal term for a destroyer
 
tin foil
foil made of tin or an alloy of tin and lead
 
tin plate
a thin sheet of metal (iron or steel) coated with tin to prevent rusting; used especially for cans, pots, and tins
 
tincture
(pharmacology) a medicine consisting of an extract in an alcohol solution
 
tinderbox
a box for holding tinder
 
tine
prong on a fork or pitchfork or antler
 
tinsel
a thread with glittering metal foil attached
 
tinsel
a showy decoration that is basically valueless
 
tintack
tack or small nail of tinned iron
 
tinware
articles of commerce made of tin plate
 
tippet
a woman's fur shoulder cape with hanging ends; often consisting of the whole fur of a fox or marten
 
tire iron
hand tool consisting of a lever that is used to force the casing of a pneumatic tire onto a steel wheel
 
tire
hoop that covers a wheel
 
tirolean
soft green felt hat with a feather or brush cockade
 
titfer
a hat (Cockney rhyming slang: `tit for tat' rhymes with `hat')
 
tithe barn
barn originally built to hold tithes paid in kind and common in England
 
titrator
an apparatus for performing a titration
 
TNT
explosive consisting of a yellow crystalline compound that is a flammable toxic derivative of toluene
 
toaster
a kitchen appliance (usually electric) for toasting bread
 
toaster oven
kitchen appliance consisting of a small electric oven for toasting or warming food
 
toasting fork
long-handled fork for cooking or toasting frankfurters or bread etc. (especially over an open fire)
 
toastrack
a rack for holding slices of toast
 
tobacco pouch
a pouch for carrying pipe tobacco
 
tobacco shop
a shop that sells pipes and pipe tobacco and cigars and cigarettes
 
toboggan
a long narrow sled without runners; boards curve upward in front
 
toby
a drinking mug in the shape of a stout man wearing a three-cornered hat
 
tocsin
a bell used to sound an alarm
 
toe
the part of footwear that provides a covering for the toes
 
toe
(golf) the part of a clubhead farthest from the shaft
 
toe box
the forward tip of the upper of a shoe or boot that provides space and protection for the toes
 
toecap
a protective leather or steel cover for the toe of a boot or shoe, reinforcing or decorating it
 
toehold
a small foothold used in climbing
 
Tofranil
a tricyclic antidepressant (trade names Imavate and Tofranil) used to treat clinical depression
 
toga
a one-piece cloak worn by men in ancient Rome
 
toga virilis
(ancient Rome) a toga worn by a youth as a symbol of manhood and citizenship
 
toggle
a fastener consisting of a peg or pin or crosspiece that is inserted into an eye at the end of a rope or a chain or a cable in order to fasten it to something (as another rope or chain or cable)
 
toggle bolt
a fastener consisting of a threaded bolt and a hinged spring-loaded toggle; used to fasten objects to hollow walls
 
toggle joint
a joint made by two arms attached by a pivot; used to apply pressure at the two ends by straightening the joint
 
toilet articles
artifacts used in making your toilet (washing and taking care of your body)
 
toilet bowl
the bowl of a toilet that can be flushed with water
 
toilet kit
a kit for carrying toilet articles while traveling
 
toilet seat
the hinged seat on a toilet
 
tokamak
a doughnut-shaped chamber used in fusion research; a plasma is heated and confined in a magnetic bottle
 
token
a metal or plastic disk that can be redeemed or used in designated slot machines
 
tolazoline
vasodilator that is used to treat spasms of peripheral blood vessels (as in acrocyanosis)
 
tolbooth
a booth at a tollgate where the toll collector collects tolls
 
tole
enameled or lacquered metalware (usually gilded and elaborately painted); popular in the 18th century
 
Tolectin
a nonsteroidal anti-inflammatory drug (trade name Tolectin)
 
Tolinase
a drug (trade name Tolinase) used in treating stable adult-onset diabetes mellitus
 
toll bridge
a bridge where toll is charged for crossing
 
toll line
a telephone line for long-distance calls
 
toll road
an expressway on which tolls are collected
 
tollbar
a gate or bar across a toll bridge or toll road which is lifted when the toll is paid
 
tomograph
X-ray machine in which a computer builds a detailed image of a particular plane through an object from multiple X-ray measurements
 
toner
a lotion for cleansing the skin and contracting the pores
 
tongue
the flap of material under the laces of a shoe or boot
 
tongue and groove joint
a mortise joint made by fitting a projection on the edge of one board into a matching groove on another board
 
tongue depressor
a thin depressor used to press the tongue down during an examination of the mouth and throat
 
Tonocard
antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed
 
tonometer
measuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma)
 
tool
an implement used in the practice of a vocation
 
tool bag
a bag in which tools are carried
 
tool cabinet
a box or chest or cabinet for holding hand tools
 
toolhouse
a shed for storing tools
 
tooth
something resembling the tooth of an animal
 
tooth
one of a number of uniform projections on a gear
 
tooth powder
a dentifrice in the form of a powder
 
toothbrush
small brush; has long handle; used to clean teeth
 
toothpaste
a dentifrice in the form of a paste
 
toothpick
pick consisting of a small strip of wood or plastic; used to pick food from between the teeth
 
top
platform surrounding the head of a lower mast
 
top
a garment (especially for women) that extends from the shoulders to the waist or hips
 
top lift
the bottom layer of a heel
 
top of the line
the best (most expensive) in a given line of merchandise
 
topgallant
a mast fixed to the head of a topmast on a square-rigged vessel
 
topgallant
a sail set on a yard of a topgallant mast
 
topiary
a garden having shrubs clipped or trimmed into decorative shapes especially of animals
 
topknot
headdress consisting of a decorative ribbon or bow worn in the hair
 
topmast
the mast next above a lower mast and topmost in a fore-and-aft rig
 
topper
a woman's short coat
 
topsail
a sail (or either of a pair of sails) immediately above the lowermost sail of a mast and supported by a topmast
 
topside
(usually plural) weather deck; the part of a ship's hull that is above the waterline
 
toque
a tall white hat with a pouched crown; worn by chefs
 
Toradol
nonsteroidal anti-inflammatory drug (trade names Acular and Toradol) that is administered only intramuscularly
 
torch
a light usually carried in the hand; consists of some flammable substance
 
tore
commonly the lowest molding at the base of a column
 
Torodal
nonsteroidal anti-inflammatory (trade name Torodal) that is given only orally
 
torpedo
armament consisting of a long cylindrical self-propelled underwater projectile that detonates on contact with a target
 
torpedo
a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead
 
torpedo
a small firework that consists of a percussion cap and some gravel wrapped in paper; explodes when thrown forcefully against a hard surface
 
torpedo
an explosive device that is set off in an oil well (or a gas well) to start or to increase the flow of oil (or gas)
 
torpedo boat
small high-speed warship designed for torpedo attacks in coastal waters
 
torpedo tube
a tube near the waterline of a vessel through which a torpedo is fired
 
torpedo-boat destroyer
small destroyer that was the forerunner of modern destroyers; designed to destroy torpedo boats
 
torque converter
converter for transmitting and amplifying torque (especially by hydraulic means)
 
torque wrench
a wrench that has a gauge that indicates the amount of torque being applied
 
torsion balance
measuring instrument designed to measure small forces by the torsion they exert on a thin wire
 
torture chamber
a room in which torture is inflicted
 
totem
emblem consisting of an object such as an animal or plant; serves as the symbol of a family or clan (especially among American Indians)
 
totem pole
a tribal emblem consisting of a pillar carved and painted with totemic figures; erected by Indian tribes of the northwest Pacific coast
 
touch screen
a computer display that enables the user to interact with the computer by touching areas on the screen
 
toupe
a small hairpiece to cover partial baldness
 
tow car
a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)
 
towboat
a powerful small boat designed to pull or push larger ships
 
towel
a rectangular piece of absorbent cloth (or paper) for drying or wiping
 
towel bar
a horizontal bar a few inches from a wall for holding towels
 
towel horse
a rack consisting of one or more bars on which towels can be hung
 
towel ring
a circular hoop for holding a towel
 
toweling
any of various fabrics (linen or cotton) used to make towels
 
tower
a structure taller than its diameter; can stand alone or be attached to a larger building
 
Tower of Babel
(Genesis 11:1-11) a tower built by Noah's descendants (probably in Babylon) who intended it to reach up to heaven; God foiled them by confusing their language so they could no longer understand one another
 
Tower of London
a fortress in London on the Thames; used as a palace and a state prison and now as a museum containing the crown jewels
 
Tower of Pharos
a great lighthouse (500 feet high) built at Alexandria in 285 BC
 
towing line
(nautical) a rope used in towing
 
towing path
a path along a canal or river used by animals towing boats
 
town hall
a government building that houses administrative offices of a town government
 
toy
a device regarded as providing amusement
 
toy
a nonfunctional replica of something else (frequently used as a modifier)
 
toy box
chest for storage of toys
 
toy soldier
a doll that resembles a soldier
 
toyshop
shop where toys are sold
 
trace
either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree
 
trace detector
a screening device for traces of explosives; used at airline terminals
 
trace
a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image
 
tracer
(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
 
tracer
an instrument used to make tracings
 
tracer
ammunition whose flight can be observed by a trail of smoke
 
tracery
decoration consisting of an open pattern of interlacing ribs
 
track
a pair of parallel rails providing a runway for wheels
 
track
a groove on a phonograph recording
 
trackball
an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen
 
tracked vehicle
a self-propelled vehicle that moves on tracks
 
trackless trolley
a passenger bus with an electric motor that draws power from overhead wires
 
tract house
one of many houses of similar design constructed together on a tract of land
 
tract housing
housing consisting of similar houses constructed together on a tract of land
 
traction engine
steam-powered locomotive for drawing heavy loads along surfaces other than tracks
 
tractor
a wheeled vehicle with large wheels; used in farming and other applications
 
tractor
a truck that has a cab but no body; used for pulling large trailers or vans
 
trading card
a card with a picture on it; collected and traded by children
 
traffic lane
a lane of a main road that is defined by painted lines
 
trail
a path or track roughly blazed through wild or hilly country
 
trailer
a large transport conveyance designed to be pulled by a truck or tractor
 
trailer camp
a camp where space for house trailers can be rented; utilities are generally provided
 
trailing edge
the rear edge of an airfoil
 
train
piece of cloth forming the long back section of a gown that is drawn along the floor
 
train set
a toy consisting of small models of railroad trains and the track for them to run on
 
tram
a four-wheeled wagon that runs on tracks in a mine
 
trammel
a restraint that is used to teach a horse to amble
 
trammel
an adjustable pothook set in a fireplace
 
trammel
a fishing net with three layers; the outer two are coarse mesh and the loose inner layer is fine mesh
 
tramp
a commercial steamer for hire; one having no regular schedule
 
trampoline
gymnastic apparatus consisting of a strong canvas sheet attached with springs to a metal frame; used for tumbling
 
trans-Alaska pipeline
an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez
 
transcription
a sound or television recording (e.g., from a broadcast to a tape recording)
 
transducer
an electrical device that converts one form of energy into another
 
transept
structure forming the transverse part of a cruciform church; crosses the nave at right angles
 
transformer
an electrical device by which alternating current of one voltage is changed to another voltage
 
transit instrument
a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian
 
transit line
a line providing public transit
 
transit
a facility consisting of the means and equipment necessary for the movement of passengers or goods
 
transmission shaft
rotating shaft that transmits rotary motion from the engine to the differential
 
transmission
the gears that transmit power from an automobile engine via the driveshaft to the live axle
 
transom
a horizontal crosspiece across a window or separating a door from a window over it
 
transponder
electrical device designed to receive a specific signal and automatically transmit a specific reply
 
transport ship
a ship for carrying soldiers or military equipment
 
transporter
a crane for moving material with dispatch as in loading and unloading ships
 
tranylcypromine
an antidepressant drug that is a monoamine oxidase inhibitor; administered as a sulfate
 
trap
a device in which something (usually an animal) can be caught and penned
 
trap
a light two-wheeled carriage
 
trap
a device to hurl clay pigeons into the air for trapshooters
 
trap
drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas
 
trap door
a hinged or sliding door in a floor or ceiling
 
trap-and-drain auger
a plumber's snake for clearing a trap and drain
 
trapeze
a swing used by circus acrobats
 
travel iron
a small lightweight iron that can be carried while traveling
 
tray
an open receptacle for holding or displaying or serving articles or food
 
tray cloth
table linen consisting of a small cloth for a tray
 
tread
structural member consisting of the horizontal part of a stair or step
 
tread
the part (as of a wheel or shoe) that makes contact with the ground
 
tread
the grooved surface of a pneumatic tire
 
treadmill
an exercise device consisting of an endless belt on which a person can walk or jog without changing place
 
treadmill
a mill that is powered by men or animals walking on a circular belt or climbing steps
 
treasure chest
a chest filled with valuables
 
treasure house
a storehouse for treasures
 
treasure ship
a 16th-century ship loaded with treasure
 
treasury
a depository (a room or building) where wealth and precious objects can be kept safely
 
tree house
a playhouse built in the branches of a tree
 
treenail
a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast
 
trefoil
an architectural ornament in the form of three arcs arranged in a circle
 
trefoil arch
a pointed arch having cusps in the intrados on either side of the apex
 
treillage
latticework used to support climbing plants
 
trench
a ditch dug as a fortification having a parapet of the excavated earth
 
trench
any long ditch cut in the ground
 
trench coat
a military style raincoat; belted with deep pockets
 
trench knife
a knife with a double-edged blade for hand-to-hand fighting
 
trencher
a wooden board or platter on which food is served or carved
 
Trental
a drug (trade name Trental) used to treat claudication; believed to increase the flexibility of red blood cells so they can flow through the blood vessels to the legs and feet
 
trepan
a drill for cutting circular holes around a center
 
trepan
a surgical instrument used to remove sections of bone from the skull
 
trestle
sawhorses used in pairs to support a horizontal tabletop
 
trestle
a supporting tower used to support a bridge
 
trestle bridge
a bridge supported by trestlework
 
trestle table
a table supported on trestles
 
trestlework
a supporting structure composed of a system of connected trestles; for a bridge or pier or scaffold e.g.
 
trews
(used in the plural) tight-fitting trousers; usually of tartan
 
trial balloon
a balloon sent up to test air currents
 
triangle
a percussion instrument consisting of a metal bar bent in the shape of an open triangle
 
triangle
any of various triangular drafting instruments used to draw straight lines at specified angles
 
Triavil
tranquilizer and antidepressant (trade name Triavil) sometimes used as an antiemetic for adults
 
tribromoethanol
an intravenous anesthetic
 
tribune
the apse of a Christian church that contains the bishop's throne
 
triclinium
a dining table with couches along three sides in ancient Rome
 
triclinium
a dining room (especially a dining room containing a dining table with couches along three sides)
 
tricolor television tube
a color television tube in which three primary colors are combined to give the full range of colors
 
tricolor
a flag having three colored stripes (especially the French flag)
 
tricorn
cocked hat with the brim turned up to form three points
 
tricot
a knitted fabric or one resembling knitting
 
tricycle
a vehicle with three wheels that is moved by foot pedals
 
tricyclic
an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain
 
trident
a spear with three prongs
 
trigger
a device that activates or releases or causes something to happen
 
trigon
a triangular lyre of ancient Greece and Rome
 
trimaran
a fast sailboat with 3 parallel hulls
 
trimmer
a machine that trims timber
 
trimmer arch
an arch built between trimmers in a floor (to support the weight of a hearth)
 
trimmer
joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.
 
trimmer
capacitor having variable capacitance; used for making fine adjustments
 
triode
a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible
 
trip line
a light rope used in lumbering to free a dog hook from a log at a distance
 
trip wire
a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over
 
trip
a catch mechanism that acts as a switch
 
triphammer
a massive power hammer; raised by a cam until released to fall under gravity
 
triplicate
one of three copies; any of three things that correspond to one another exactly
 
tripod
a three-legged rack used for support
 
triptych
art consisting of a painting or carving (especially an altarpiece) on three panels (usually hinged together)
 
trireme
ancient Greek or Roman galley or warship having three tiers of oars on each side
 
triskele
a figure consisting of three stylized human arms or legs (or three bent lines) radiating from a center
 
triumphal arch
a monumental archway; usually they are built to commemorate some notable victory
 
trivet
a stand with short feet used under a hot dish on a table
 
trivet
a three-legged metal stand for supporting a cooking vessel in a hearth
 
troika
a Russian carriage pulled by three horses abreast
 
troll
a fisherman's lure that is used in trolling
 
trolley line
a transit line using streetcars or trolley buses
 
trombone
a brass instrument consisting of a long tube whose length can be varied by a U-shaped slide
 
trompe l'oeil
a painting rendered in such great detail as to deceive the viewer concerning its reality
 
troop carrier
any land or sea or air vehicle designed to carry troops
 
troopship
ship for transporting troops
 
trophy case
a case in which to display trophies
 
trou-de-loup
a sloping pit with a stake in the middle used as an obstacle to the enemy
 
trough
a long narrow shallow receptacle
 
trouser
a garment (or part of a garment) designed for or relating to trousers
 
trouser cuff
a cuff on the bottoms of trouser legs
 
trousseau
the personal outfit of a bride; clothes and accessories and linens
 
trowel
a small hand tool with a handle and flat metal blade; used for scooping or spreading plaster or similar materials
 
truck bed
the floor or bottom of a wagon or truck or trailer
 
truck farm
a farm where vegetables are grown for market
 
truck stop
a roadside service station (and restaurant) that caters to truck drivers
 
truckle
a low bed to be slid under a higher bed
 
trump
(card games) the suit that has been declared to rank above all other suits for the duration of the hand
 
trump
a playing card in the suit that has been declared trumps
 
trumpet arch
a conical squinch
 
trundle
small wheel or roller
 
trunk
luggage consisting of a large strong case used when traveling or for storage
 
trunk hose
puffed breeches of the 16th and 17th centuries usually worn over hose
 
trunk lid
hinged lid for a trunk
 
trunk line
a telephone line connecting two exchanges directly
 
trunk line
line that is the main route on a railway
 
truss
a framework of beams (rafters, posts, struts) forming a rigid structure that supports a roof or bridge or other structure
 
truss
(medicine) a bandage consisting of a pad and belt; worn to hold a hernia in place by pressure
 
truss bridge
a bridge supported by trusses
 
truth drug
an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely
 
try square
a square having a metal ruler set at right angles to another straight piece
 
tub
a large open vessel for holding or storing liquids
 
tube
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
 
tubeless
pneumatic tire not needing an inner tube to be airtight
 
tuck
a narrow flattened pleat or fold that is stitched in place
 
tuck box
a box for storing eatables (especially at boarding school)
 
tuck shop
a candy store in Great Britain
 
tucker
a detachable yoke of linen or lace worn over the breast of a low-cut dress
 
tucker-bag
a bag used for carrying food
 
Tudor arch
a low elliptical or pointed arch; usually drawn from four centers
 
tudung
a scarf worn around the head by Muslim women in Malaysia; conceals the hair but not the face
 
Tuileries Gardens
formal gardens next to the Louvre in Paris
 
Tuileries Palace
palace and royal residence built for Catherine de Medicis in 1564 and burned down in 1871; all that remains today are the formal gardens
 
tuille
armor plate that protects the hip and thigh
 
tulip bed
a flowerbed in which tulips are growing
 
tulle
a fine (often starched) net used for veils or tutus or gowns
 
tumble drier
a clothes dryer that spins wet clothes inside a cylinder with heated air
 
tumbler
a glass with a flat bottom but no handle or stem; originally had a round bottom
 
tumbler
a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
 
tumbrel
a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution
 
tun
a large cask especially one holding a volume equivalent to 2 butts or 252 gals
 
tunic
any of a variety of loose fitting cloaks extending to the hips or knees
 
tuning fork
a metal implement with two prongs that gives a fixed tone when struck; used to tune musical instruments
 
tunnel
a passageway through or under something, usually underground (especially one for trains or cars)
 
turban
a traditional Muslim headdress consisting of a long scarf wrapped around the head
 
turbine
rotary engine in which the kinetic energy of a moving fluid is converted into mechanical energy by causing a bladed rotor to rotate
 
turbogenerator
generator consisting of a steam turbine coupled to an electric generator for the production of electric power
 
tureen
large deep serving dish with a cover; for serving soups and stews
 
Turing machine
a hypothetical computer with an infinitely long memory tape
 
Turk's head
an ornamental knot that resembles a small turban
 
Turkish bath
a steam room where facilities are available for a bath followed by a shower and massage
 
Turkish towel
a bath towel with rough loose pile
 
turnaround
an area sufficiently large for a vehicle to turn around
 
turnbuckle
an oblong metal coupling with a swivel at one end and an internal thread at the other into which a threaded rod can be screwed in order to form a unit that can be adjusted for length or tension
 
turnery
products made on a lathe
 
turnery
workshop where objects are made on a lathe
 
turning
the end-product created by shaping something on a lathe
 
turnip bed
a bed in which turnips are growing
 
turnoff
a side road where you can turn off
 
turnout
a part of a road that has been widened to allow cars to pass or park
 
turnpike
(from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid
 
turnspit
a roasting spit that can be turned
 
turnstile
a gate consisting of a post that acts as a pivot for rotating arms; set in a passageway for controlling the persons entering
 
turntable
a circular horizontal platform that rotates a phonograph record while it is being played
 
turntable
a rotatable platform with a track; used to turn locomotives and cars
 
turret
a small tower extending above a building
 
turret clock
a clock with more than one dial to show the time in all directions from a tower
 
TV channel
a television station and its programs
 
TV station
station for the production and transmission of television broadcasts
 
tweed
thick woolen fabric used for clothing; originated in Scotland
 
tweeter
a loudspeaker that reproduces higher audio frequency sounds
 
twenty-two pistol
a .22-caliber pistol
 
twenty-two rifle
a .22-caliber rifle
 
twill
a cloth with parallel diagonal lines or ribs
 
twill
a weave used to produce the effect of parallel diagonal ribs
 
twin bed
one of a pair of identical beds
 
twin-aisle airplane
a commercial airliner with two aisles
 
twinjet
a jet plane propelled by two jet engines
 
twist bit
a bit or drill having deep helical grooves
 
two-by-four
a timber measuring (slightly under) 2 inches by 4 inches in cross section
 
two-man tent
a tent designed for occupancy by two persons
 
two-way street
a street on which vehicular traffic can move in either of two directions
 
type
a small metal block bearing a raised character on one end; produces a printed character when inked and pressed on paper
 
typesetting machine
a printer that sets textual material in type
 
typewriter
hand-operated character printer for printing written messages one character at a time
 
typewriter carriage
a carriage for carrying a sheet of paper
 
typewriter keyboard
a keyboard for manually entering characters to be printed
 
tyrocidin
a basic polypeptide antibiotic derived from a soil bacterium; a major component of tyrothricin
 
tyrosine kinase inhibitor
a drug used in cases of chronic myeloid leukemia
 
tyrothricin
a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria
 
U-boat
a submersible warship usually armed with torpedoes
 
uke
a small guitar having four strings
 
ulster
loose long overcoat of heavy fabric; usually belted
 
Ultracef
a cephalosporin antibiotic (trade name Ultracef)
 
ultracentrifuge
a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins
 
Ultrasuede
a synthetic suede cloth
 
ultraviolet lamp
any source of illumination that emits ultraviolet radiation
 
umbrella
a lightweight handheld collapsible canopy
 
umbrella tent
a small tent with a single supporting pole and radiating metal ribs
 
undercarriage
framework that serves as a support for the body of a vehicle
 
undercharge
an insufficient charge
 
underclothes
undergarment worn next to the skin and under the outer garments
 
undercoat
seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion
 
undercut
a notch cut in the trunk of tree in order to determine the direction of its fall
 
underfelt
a carpet pad of thick felt
 
undergarment
a garment worn under other garments
 
underpants
an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin
 
undies
women's underwear
 
uneven bars
a pair of parallel bars set at different heights; used in women's gymnastics
 
uniform
clothing of distinctive design worn by members of a particular group as a means of identification
 
union
a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)
 
Union Jack
national flag of the United Kingdom
 
United States Army Criminal Investigation Laboratory
a defense laboratory of the Criminal Investigation Command; the United States Army's primary forensic laboratory in support of criminal intelligence
 
United States Mint
the mint that manufactures and distributes United States coins for circulation through Federal Reserve Banks; processes gold and silver bullion
 
United States National Library of Medicine
the world's largest medical library
 
universal
coupling that connects two rotating shafts allowing freedom of movement in all directions
 
university
establishment where a seat of higher learning is housed, including administrative and living quarters as well as facilities for research and teaching
 
University of California at Berkeley
a university in Berkeley, California
 
University of Chicago
a university in Chicago, Illinois
 
University of Michigan
a university in Ann Arbor, Michigan
 
University of Nebraska
a university in Lincoln, Nebraska
 
University of North Carolina
a university in Chapel Hill, North Carolina
 
University of Paris
a university in Paris; intellectual center of France
 
University of Pennsylvania
a university in Philadelphia, Pennsylvania
 
University of Pittsburgh
a university in Pittsburgh, Pennsylvania
 
University of Sussex
a red-brick university in Brighton, England
 
University of Texas
a university in Austin, Texas
 
University of Vermont
a university in Burlington, Vermont
 
University of Washington
a university in Seattle, Washington
 
University of West Virginia
a university in Morgantown, West Virginia
 
University of Wisconsin
a university in Madison, Wisconsin
 
upcast
air passage consisting of a ventilation shaft through which air leaves a mine
 
upgrade
hardware that provides better performance than an earlier version did
 
upholstery
covering (padding and springs and webbing and fabric) on a piece of furniture
 
upholstery material
the fabric used in upholstering
 
upholstery needle
any of several very heavy and sometimes curved sewing needles used by upholsterers
 
uplift
a brassiere that lifts and supports the breasts
 
upper
piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot
 
upper deck
a higher deck
 
upper surface
the side that is uppermost
 
upper
the higher of two berths
 
upright
a piano with a vertical sounding board
 
upright
a vertical structural member as a post or stake
 
upstage
the rear part of the stage
 
upstairs
the part of a building above the ground floor
 
urceole
a vessel that holds water for washing the hands
 
urinal
a plumbing fixture (usually attached to the wall) used by men to urinate
 
urn
a large vase that usually has a pedestal or feet
 
urn
a large pot for making coffee or tea
 
USS Cole
a United States destroyer
 
utensil
an implement for practical use (especially in a household)
 
utility
a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal
 
Uzi
a type of submachine gun that is designed and manufactured in Israel
 
V neck
the neck of a garment has the shape of the letter V
 
V-1
a small jet-propelled winged missile that carries a bomb
 
vacation home
a dwelling (a second home) where you live while you are on vacation
 
vaccine
immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
 
vacuum bottle
flask with double walls separated by vacuum; used to maintain substances at high or low temperatures
 
vacuum chamber
a chamber from which nearly all matter (especially air) has been removed
 
vacuum gage
a gauge for indicating negative atmospheric pressure
 
vacuum
an electrical home appliance that cleans by suction
 
Valenciennes lace
a type of bobbin lace with floral patterns
 
valise
a small overnight bag for short trips
 
Valium
a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning
 
valve
control consisting of a mechanical device for controlling the flow of a fluid
 
valve
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
 
valve-in-head engine
internal-combustion engine having both inlet and exhaust valves located in the cylinder head
 
vamp
piece of leather forming the front part of the upper of a shoe
 
van
a truck with an enclosed cargo space
 
van
(Great Britain) a closed railroad car that carries baggage or freight
 
Van de Graaff generator
electrical device that produces a high voltage by building up a charge of static electricity
 
Vancocin
an antibiotic (trade name Vancocin) effective against some bacterial infections
 
vane
a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
 
vane
mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
 
vapor lock
a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
 
vaporiser
a device that puts out a substance in the form of a vapor (especially for medicinal inhalation)
 
variable-pitch propeller
propeller for which the angle of the blades is adjustable
 
variation
an artifact that deviates from a norm or standard
 
variometer
a measuring instrument for measuring variations in a magnetic field
 
varnish
a coating that provides a hard, lustrous, transparent finish to a surface
 
vase
an open jar of glass or porcelain used as an ornament or to hold flowers
 
Vaseline
a trademarked brand of petroleum jelly
 
vasodilative
a drug that causes dilation of blood vessels
 
Vasomax
a virility drug (trade name Vasomax) to treat erectile dysfunction in men
 
vasopressor
any agent that produces vasoconstriction and a rise in blood pressure (usually understood as increased arterial pressure)
 
Vasotec
an ACE inhibitor (trade name Vasotec) that blocks the formation of angiotensin in the kidney and so results in vasodilation; administered after heart attacks
 
Vatican Palace
the residence of the Catholic Pope in the Vatican City
 
vault
an arched brick or stone ceiling or roof
 
vaulting
(architecture) a vaulted structure
 
VCR
a magnetic tape recorder for recording (and playing back) TV programs
 
VDU
(British) British term for video display
 
vehicle
a conveyance that transports people or objects
 
Velban
periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division
 
Velcro
nylon fabric used as a fastening
 
velocipede
any of several early bicycles with pedals on the front wheel
 
velodrome
a banked oval track for bicycle or motorcycle racing
 
velour
heavy fabric that resembles velvet
 
velvet
a silky densely piled fabric with a plain back
 
velveteen
a usually cotton fabric with a short pile imitating velvet
 
vending machine
a slot machine for selling goods
 
veneer
coating consisting of a thin layer of superior wood glued to a base of inferior wood
 
Venetian blind
a window blind made of horizontal strips that overlap when closed
 
Venetian glass
fine glassware made near Venice
 
Venn's diagram
a diagram that uses circles to represent mathematical or logical sets pictorially inside a rectangle (the universal set); elements that are common to more than one set are represented by intersections of the circles
 
vent
a slit in a garment (as in the back seam of a jacket)
 
ventilating system
a mechanical system in a building that provides fresh air
 
ventilation shaft
a shaft in a building; serves as an air passage for ventilation
 
ventilator
a device (such as a fan) that introduces fresh air or expels foul air
 
ventriloquist's dummy
a wooden dummy into which a ventriloquist projects the voice
 
venturi
a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor)
 
Venturi tube
a short tube inserted into a pipeline and used to measure the quantity of a liquid that is flowing in the pipeline
 
verdigris
a green patina that forms on copper or brass or bronze that has been exposed to the air or water for long periods of time
 
Verey pistol
a pistol for firing Very-light flares
 
verge
a grass border along a road
 
vermicide
an agent that kills worms (especially those in the intestines)
 
vermiculation
a decoration consisting of wormlike carvings
 
vernier caliper
a caliper with a vernier scale for very fine measurements
 
vernier
a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale
 
Verrazano-Narrows Bridge
a suspension bridge across the Verrazano Narrows between Brooklyn and Staten Island
 
Versed
an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures
 
vertical file
a file in which records are stored upright on one edge
 
vertical section
a mechanical drawing showing the interior of an object as if made by a vertical plane passing through it
 
vertical surface
a surface that is vertical
 
vertical tail
the vertical airfoil in the tail assembly of an aircraft
 
vessel
an object used as a container (especially for liquids)
 
vessel
a craft designed for water transportation
 
vest pocket
a small pocket in a man's vest
 
vest
a man's sleeveless garment worn underneath a coat
 
vestiture
an archaic term for clothing
 
vestment
gown (especially ceremonial garments) worn by the clergy
 
viaduct
bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley
 
Viagra
virility drug (trade name Viagra) used to treat erectile dysfunction in men
 
vibes
a percussion instrument similar to a xylophone but having metal bars and rotating disks in the resonators that produce a vibrato sound
 
Vibramycin
an antibiotic derived from tetracycline that is effective against many infections
 
vibrator
mechanical device that produces vibratory motion; used for massage
 
vibrator
a mechanical device that vibrates
 
victory garden
a kitchen garden planted during wartime to relieve food shortages
 
Victrola
a brand of gramophone
 
vicuna
a soft wool fabric made from the fleece of the vicuna
 
video iPod
(trademark) an iPod that can also play video files
 
video
a recording of both the visual and audible components (especially one containing a recording of a movie or television program)
 
videocassette
a cassette for videotape
 
videotape
a relatively wide magnetic tape for use in recording visual images and associated sound
 
videotape
a video recording made on magnetic tape
 
viewer
an optical device for viewing photographic transparencies
 
vigil candle
a candle lighted by a worshiper in a church
 
vignette
a small illustrative sketch (as sometimes placed at the beginning of chapters in books)
 
vignette
a photograph whose edges shade off gradually
 
villa
pretentious and luxurious country residence with extensive grounds
 
villa
country house in ancient Rome consisting of residential quarters and farm buildings around a courtyard
 
villa
detached or semidetached suburban house
 
vinery
a farm of grapevines where wine grapes are produced
 
Viocin
a basic polypeptide antibiotic (trade name Viocin) administered intramuscularly (along with other drugs) in the treatment of tuberculosis
 
viol
any of a family of bowed stringed instruments that preceded the violin family
 
viola
a bowed stringed instrument slightly larger than a violin, tuned a fifth lower
 
viola d'amore
viol that is the tenor of the viol family
 
viola da braccio
a member of the viol family with approximately the range of a viola
 
Vioxx
a Cox-2 inhibitor (trade name Vioxx) that relieves pain and inflammation without harming the digestive tract; voluntarily withdrawn from the market in 2004
 
Viracept
a protease inhibitor (trade name Viracept) used in treating HIV usually in combination with other drugs
 
Viramune
a non-nucleoside reverse transcriptase inhibitor (trade name Viramune) used to treat AIDS and HIV
 
Virazole
an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections
 
Virginia fence
rail fence consisting of a zigzag of interlocking rails
 
virtu
objet d'art collectively (especially fine antiques)
 
virtual memory
(computer science) memory created by using the hard disk to simulate additional random-access memory; the addressable storage space available to the user of a computer system in which virtual addresses are mapped into real addresses
 
viscometer
a measuring instrument for measuring viscosity
 
viscose
a rayon fabric made from viscose (cellulose xanthate) fibers
 
visible speech
spectrogram of speech; speech displayed spectrographically
 
Visken
an oral beta blocker (trade name Visken) used in treating hypertension
 
visor
a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face
 
Vistaril
a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness
 
vivarium
an indoor enclosure for keeping and raising living animals and plants and observing them under natural conditions
 
Viyella
a fabric made from a twilled mixture of cotton and wool
 
voile
a light semitransparent fabric
 
voix celeste
an organ stop producing a gentle tremolo effect
 
volatile storage
computer storage that is erased when the power is turned off
 
volleyball
an inflated ball used in playing volleyball
 
volleyball court
the court on which volleyball is played
 
volleyball net
the high net that separates the two teams and over which the volleyball must pass
 
voltage regulator
a transformer whose voltage ratio of transformation can be adjusted
 
Voltaren
a nonsteroidal anti-inflammatory drug (trade name Voltaren) that is administered only orally
 
voltmeter
meter that measures the potential difference between two points
 
volumeter
a meter to measure the volume of gases, liquids, or solids (either directly or by displacement)
 
vomitory
an entrance to an amphitheater or stadium
 
von Neumann machine
any digital computer incorporating the ideas of stored programs and serial counters that were proposed in 1946 by von Neumann and his colleagues
 
voting booth
a booth in which a person can cast a private vote
 
voting machine
a mechanical device for recording and counting votes mechanically
 
vouge
a kind of pike used by foot soldiers in the 14th century
 
voussoir
wedge-shaped stone building block used in constructing an arch or vault
 
vox humana
an organ reed stop producing tones imitative of the human voice
 
W.C.
a toilet in Britain
 
W.M.D.
a weapon that kills or injures civilian as well as military personnel (nuclear and chemical and biological weapons)
 
waders
waterproof hip boots (sometimes extending to the chest) worn by anglers
 
wading pool
a shallow pool for children
 
waffle iron
a kitchen appliance for baking waffles; the appliance usually consists of two indented metal pans hinged together so that they create a pattern on the waffle
 
waggon
any of various kinds of wheeled vehicles drawn by an animal or a tractor
 
wagon tire
a metal hoop forming the tread of a wheel
 
wagon wheel
a wheel of a wagon
 
wain
large open farm wagon
 
wainscot
wooden panels that can be used to line the walls of a room
 
wainscoting
a wainscoted wall (or wainscoted walls collectively)
 
wake board
a buoyant board (resembling a surfboard) that is used to ride over water while being pulled behind a motorboat
 
walk-in
a small room large enough to admit entrance
 
walk-through
a pedestrian passageway through the ground floor of a building
 
walk-up
an apartment building without an elevator
 
walk-up
an apartment in a building without an elevator
 
walker
a shoe designed for comfortable walking
 
walkie-talkie
small portable radio link (receiver and transmitter)
 
walking shoe
a light comfortable shoe designed for vigorous walking
 
walking stick
a stick carried in the hand for support in walking
 
Walkman
(trademark) a pocket-sized stereo system with light weight earphones
 
wall
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure
 
wall
a masonry fence (as around an estate or garden)
 
wall
a layer of material that encloses space
 
wall clock
a clock mounted on a wall
 
wall panel
paneling that forms part of a wall
 
wall plate
plate (a timber along the top of a wall) to support the ends of joists, etc., and distribute the load
 
wall tent
a canvas tent with four vertical walls
 
wall unit
a piece of furniture having several units that stands against one wall of a room
 
Walt Whitman Bridge
a suspension bridge across the Delaware River
 
WAN
a computer network that spans a wider area than does a local area network
 
wand
a rod used by a magician or water diviner
 
Wankel rotary engine
a rotary engine that is a four-stroke internal-combustion engine without reciprocating parts
 
war paint
full ceremonial regalia
 
war paint
adornment consisting of paint applied to the face and body of certain Amerindians before a battle
 
war room
a room where strategic decisions are made (especially for military or political campaigns)
 
wardrobe
collection of clothing belonging to one person
 
wardrobe
collection of costumes belonging to a theatrical company
 
wardroom
military quarters for dining and recreation for officers of a warship (except the captain)
 
ware
articles of the same kind or material; usually used in combination: `silverware', `software'
 
warhorse
a work of art (composition or drama) that is part of the standard repertory but has become hackneyed from much repetition
 
warming pan
a long-handled covered pan holding live coals to warm a bed
 
warp
yarn arranged lengthways on a loom and crossed by the woof
 
wash
a thin coat of water-base paint
 
wash
a watercolor made by applying a series of monochrome washes one over the other
 
wash-and-wear
a fabric treated to be easily washable and to require no ironing
 
wash-hand stand
furniture consisting of a table or stand to hold a basin and pitcher of water for washing: `wash-hand stand' is a British term
 
washboard
device consisting of a corrugated surface to scrub clothes on
 
washer
seal consisting of a flat disk placed to prevent leakage
 
washhouse
a building or outbuilding where laundry is done
 
Washington Monument
a stone obelisk built in Washington in 1884 to honor George Washington; 555 feet tall
 
washroom
a lavatory (particularly a lavatory in a public place)
 
washtub
a tub in which clothes or linens can be washed
 
watch cap
a knitted dark blue wool cap worn by seamen in cold or stormy weather
 
watch case
the metal case in which the works of a watch are housed
 
watch glass
laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker
 
watch key
winder consisting of a key with a square hole; used for winding some watches
 
watchtower
an observation tower for a lookout to watch over prisoners or watch for fires or enemies
 
water back
water heater consisting of a tank or pipes set at the back of a fireplace or in the firebox of a stove
 
water bed
a bed with a mattress made of strong plastic that is filled with water
 
water bottle
a bottle for holding water
 
water butt
a butt set on end to contain water especially to store rainwater
 
water cannon
a hose (carried on a truck) that fires water under high pressure to disperse crowds (especially crowds of rioters)
 
water cart
cart with a tank for water (especially with fresh water for sale)
 
water chute
chute with flowing water down which toboggans and inner tubes and people slide into a pool
 
water cooler
a device for cooling and dispensing drinking water
 
water filter
a filter to remove impurities from the water supply
 
water gage
gauge for indicating the level of water in e.g. a tank or boiler or reservoir
 
water glass
a glass for drinking water
 
water hazard
hazard provided by ponds of water that the golfer must avoid
 
water jacket
a container filled with water that surrounds a machine to cool it; especially that surrounding the cylinder block of an engine
 
water jug
a jug that holds water
 
water jump
a pool or stream in a steeplechase or similar contest
 
water level
a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
 
water main
main (a pipe or conduit) for conveying water
 
water meter
meter for measuring the quantity of water passing through a particular outlet
 
water mill
a mill powered by a water wheel
 
water pump
the pump in the cooling system of an automobile that cause the water to circulate
 
water ski
broad ski for skimming over water towed by a speedboat
 
water skin
a container of skin for holding water
 
water tower
a large reservoir for water
 
water waggon
a wagon that carries water (as for troops or work gangs or to sprinkle down dusty dirt roads in the summertime)
 
water wheel
a wheel that rotates by direct action of water; a simple turbine
 
water wheel
a wheel with buckets attached to its rim; raises water from a stream or pond
 
water wings
a life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim
 
water
a facility that provides a source of water
 
water-base paint
paint in which water is used as the vehicle
 
water-cooled reactor
nuclear reactor using water as a coolant
 
watercolor
a painting produced with watercolors
 
watercolor
a water-base paint (with water-soluble pigments); used by artists
 
watercourse
a conduit through which water flows
 
watering can
a container with a handle and a spout with a perforated nozzle; used to sprinkle water over plants
 
watering cart
water cart with a tank and sprinkler for sprinkling roads
 
waterproof
any fabric impervious to water
 
waterproofing
a coating capable of making a surface waterproof
 
waterspout
a channel through which water is discharged (especially one used for drainage from the gutters of a roof)
 
waterworks
workplace where water is stored and purified and distributed for a community
 
WATS line
a telephone line;long distance service at fixed rates for fixed zones; an acronym for wide area telephone service
 
wattle
framework consisting of stakes interwoven with branches to form a fence
 
wattmeter
an instrument for measuring in watts the flow of power in an electrical circuit
 
wave guide
a hollow metal conductor that provides a path to guide microwaves; used in radar
 
wax figure
an effigy (usually of a famous person) made of wax
 
way
any artifact consisting of a road or path affording passage from one place to another
 
weapons carrier
military vehicle that is a light truck designed to carry mortars or machine guns and their crews
 
weather chart
(meteorology) a map showing the principal meteorological elements at a given time and over an extended region
 
weather radar
radar that is able to detect clouds and precipitation
 
weather ship
an oceangoing vessel equipped to make meteorological observations
 
weather strip
a narrow strip of material to cover the joint of a door or window to exclude the cold
 
weathercock
weathervane with a vane in the form of a rooster
 
weatherglass
a simple barometer for indicating changes in atmospheric pressure
 
weave
pattern of weaving or structure of a fabric
 
web
a fabric (especially a fabric in the process of being woven)
 
webbing
a strong fabric woven in strips
 
webbing
a narrow closely woven tape; used in upholstery or for seat belts
 
webcam
a digital camera designed to take digital photographs and transmit them over the internet
 
wedding band
a ring (usually plain gold) given to the bride (and sometimes one is also given to the groom) at the wedding
 
wedding picture
photographs of bride and groom and their friends taken at their wedding
 
wedge
something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
 
wedge
(golf) an iron with considerable loft and a broad sole
 
wedge
a heel that is an extension of the sole of the shoe
 
wedgie
a shoe with a wedge heel
 
Wedgwood
a type of pottery made by Josiah Wedgwood and his successors; typically has a classical decoration in white on a blue background
 
weeder
a hand tool for removing weeds
 
weeds
a black garment (dress) worn by a widow as a sign of mourning
 
weekender
a small suitcase to carry clothing and accessories for a weekend trip
 
weighbridge
platform scale flush with a roadway for weighing vehicles and cattle etc
 
weight
an artifact that is heavy
 
weir
a low dam built across a stream to raise its level or divert its flow
 
weir
a fence or wattle built across a stream to catch or retain fish
 
welcome wagon
a wheeled vehicle carrying information and gifts from local merchants for new residents in an area
 
weld
a metal joint formed by softening with heat and fusing or hammering together
 
welder's mask
a mask that you wear for protection when doing welding
 
weldment
an assembly of parts welded together
 
well
a deep hole or shaft dug or drilled to obtain water or oil or gas or brine
 
well
an enclosed compartment in a ship or plane for holding something as e.g. fish or a plane's landing gear or for protecting something as e.g. a ship's pumps
 
well
an open shaft through the floors of a building (as for a stairway)
 
well
a cavity or vessel used to contain liquid
 
well point
a perforated tube driven into the ground to collect water from the surrounding area
 
wellhead
a structure built over a well
 
Wellington boot
(19th century) a man's high tasseled boot
 
welt
a raised or strengthened seam
 
Western axe
an ax that has cutting edges on both sides of the head
 
Western saddle
an ornamented saddle used by cowboys; has a high horn to hold the lariat
 
Weston cell
a standard voltaic cell (trademark Weston)
 
wet bar
a bar for mixing drinks that has a sink with running water
 
wet cell
a primary voltaic cell having a liquid electrolyte
 
wet fly
fisherman's fly that floats under the surface of the water
 
wet suit
a close-fitting garment made of a permeable material; worn in cold water (as by skin divers) to retain body heat
 
wet-bulb thermometer
a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity
 
whacker
something especially big or impressive of its kind
 
whaleboat
a long narrow boat designed for quick turning and use in rough seas
 
whaler
a ship engaged in whale fishing
 
whaling gun
a gun (or device resembling a gun) for discharging a projectile (especially a harpoon) at a whale
 
wheat future
wheat bought or sold at an agreed price for delivery at a specified future date
 
Wheatstone bridge
a bridge used to measure resistances
 
wheel
a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
 
wheel
a circular helm to control the rudder of a vessel
 
wheel and axle
hoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
 
wheel lock
an obsolete gunlock using flint and a revolving wheel
 
wheelchair
a movable chair mounted on large wheels; for invalids or those who cannot walk; frequently propelled by the occupant
 
wheeled vehicle
a vehicle that moves on wheels and usually has a container for transporting things or people
 
wheelwork
mechanical device including an arrangement of wheel in a machine (especially a train of gears)
 
wherry
light rowboat for use in racing or for transporting goods and passengers in inland waters and harbors
 
whetstone
a flat stone for sharpening edged tools or knives
 
whip
an instrument with a handle and a flexible lash that is used for whipping
 
whip top
a top that is spun by whipping
 
whipcord
a strong worsted or cotton fabric with a diagonal rib
 
whipcord
closely twisted hard cord used for the lashes of whips
 
whipping post
post formerly used in public to which offenders are tied to be whipped
 
whipping
a sewing stitch passing over an edge diagonally
 
whirler
a revolving mechanism
 
whisk
a mixer incorporating a coil of wires; used for whipping eggs or cream
 
whisk
a small short-handled broom used to brush clothes
 
whiskey bottle
a bottle for holding whiskey
 
whiskey jug
a jug that contains whiskey
 
whispering dome
a space beneath a dome or arch in which sounds produced at certain points are clearly audible at certain distant points
 
whistle
acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
 
whistle
a small wind instrument that produces a whistling sound by blowing into it
 
white
(board games) the lighter pieces
 
white goods
large electrical home appliances (refrigerators or washing machines etc.) that are typically finished in white enamel
 
White House
the government building that serves as the residence and office of the President of the United States
 
white tie
bow tie worn as part of a man's formal evening dress
 
whitewash
wash consisting of lime and size in water; used for whitening walls and other surfaces
 
whizbang
a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
 
whizbang
a firecracker that (like the whizbang shell) makes a whizzing sound followed by a loud explosion
 
wick
any piece of cord that conveys liquid by capillary action
 
wicker basket
a basket made of wickerwork
 
wicket
cricket equipment consisting of a set of three stumps topped by crosspieces; used in playing cricket
 
wicket
small gate or door (especially one that is part of a larger door)
 
wickiup
a lodge consisting of a frame covered with matting or brush; used by nomadic American Indians in the southwestern United States
 
wide screen
a projection screen that is much wider than it is high
 
wide wale
corduroy with wide ribs
 
widow's walk
a lookout atop a coastal house
 
Wiffle Ball
(trademark) a hollow plastic ball with cutouts
 
wig
hairpiece covering the head and made of real or synthetic hair
 
wigwam
a Native American lodge frequently having an oval shape and covered with bark or hides
 
wild card
a playing card whose value can be determined by the person who holds it
 
wildcat
an exploratory oil well drilled in land not known to be an oil field
 
willow
a textile machine having a system of revolving spikes for opening and cleaning raw textile fibers
 
willow-pattern
chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river
 
Wilson cloud chamber
apparatus that detects the path of high-energy particles passing through a supersaturated vapor; each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
 
Wilton carpet
a carpet woven on a Jacquard loom with loops like a Brussels carpet but having the loops cut to form a close velvety pile
 
wimple
headdress of cloth; worn over the head and around the neck and ears by medieval women
 
wincey
a plain or twilled fabric of wool and cotton used especially for warm shirts or skirts and pajamas
 
winceyette
cotton flannelette with a nap on both sides
 
winch
lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds
 
Winchester
a shoulder rifle
 
Winchester drive
computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it
 
wind bell
a decorative arrangement of pieces of metal or glass or pottery that hang together loosely so the wind can cause them to tinkle
 
wind energy facility
a power plant that uses wind turbines to generate electricity
 
wind rose
weather map showing the frequency and strength of winds from different directions
 
wind tee
weather vane shaped like a T and located at an airfield
 
wind tunnel
a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft
 
wind turbine
a turbine that is driven by the wind
 
wind
a musical instrument in which the sound is produced by an enclosed column of air that is moved by bellows or the human breath
 
winder
mechanical device around which something can be wound
 
windjammer
a large sailing ship
 
windmill
a mill that is powered by the wind
 
window
a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
 
window
a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened
 
window
a transparent panel (as of an envelope) inserted in an otherwise opaque material
 
window
(computer science) a rectangular part of a computer screen that contains a display different from the rest of the screen
 
window
an opening in a wall or screen that admits light and air and through which customers can be served
 
window blind
a blind for privacy or to keep out light
 
window box
a long narrow box for growing plants on a windowsill
 
window envelope
an envelope with a transparent panel that reveals the address on the enclosure
 
window frame
the framework that supports a window
 
window screen
screen to keep insects from entering a building through the open window
 
window seat
a bench or similar seat built into a window recess
 
window shade
an opaque window blind that can cover or uncover a window
 
window
a pane of glass in a window
 
windowsill
the sill of a window; the horizontal member at the bottom of the window frame
 
windscreen wiper
a mechanical device that cleans the windshield
 
windscreen
transparent screen (as of glass) to protect occupants of a vehicle
 
Windsor chair
straight chair having a shaped seat and a back of many spindles
 
Windsor knot
a wide triangular slipknot for tying a tie
 
Windsor tie
a wide necktie worn in a loose bow
 
wine bar
a bar that serves only wine
 
wine barrel
a barrel that holds wine
 
wine bottle
a bottle for holding wine
 
wine bucket
a bucket of ice used to chill a bottle of wine
 
wine maker
an establishment where wine is made
 
wineglass
a glass that has a stem and in which wine is served
 
wineglass heel
a heel on a woman's shoe in the shape of a wineglass
 
winepress
a press that is used to extract the juice from grapes
 
wineskin
an animal skin (usually a goatskin) that forms a bag and is used to hold and dispense wine
 
wing
one of the horizontal airfoils on either side of the fuselage of an airplane
 
wing chair
easy chair having wings on each side of a high back
 
wing tip
a decorative toecap having a point extending toward the throat of the shoe
 
wing tip
a shoe having a wing-tip toecap
 
wiper motor
electric motor that moves the windshield wiper
 
wire
ligament made of metal and used to fasten things or make cages or fences etc
 
wire cloth
fabric woven of metallic wire
 
wire cutter
an edge tool used in cutting wire
 
wire gage
gauge for measuring the diameter of wire
 
wire recorder
an early type of magnetic recorder using iron wire
 
wire stripper
a hand tool used by electricians to remove insulation from the cut end of an insulated wire
 
wiring
a circuit of wires for the distribution of electricity
 
wiring diagram
a schematic drawing of the wiring of an electrical system
 
wishing cap
a magical cap that secures whatever one wishes for
 
witch hazel
lotion consisting of an astringent alcoholic solution containing an extract from the witch hazel plant
 
withe
band or rope made of twisted twigs or stems
 
witness box
a box enclosure for a witness when testifying
 
WLAN
a local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet protocol
 
wobbler
something that wobbles
 
wok
pan with a convex bottom; used for frying in Chinese cooking
 
Wollaston prism
optical device that produces plane-polarized ultraviolet light
 
woman's clothing
clothing that is designed for women to wear
 
wood
a golf club with a long shaft used to hit long shots; originally made with a wooden head
 
wood block
engraving consisting of a block of wood with a design cut into it; used to make prints
 
wood chisel
a chisel for working wood; it is either struck with a mallet or pushed by hand
 
wood engraving
a print made from a woodcut
 
wood
any wind instrument other than the brass instruments
 
woodcarving
a carving created by carving wood
 
Wooden Horse
a large hollow wooden figure of a horse (filled with Greek soldiers) left by the Greeks outside Troy during the Trojan War
 
wooden spoon
a spoon made of wood
 
wooden spoon
a booby prize consisting of a spoon made of wood
 
woodenware
ware for domestic use made of wood
 
woodscrew
a metal screw that tapers to a point so that it can be driven into wood with a screwdriver
 
woodshed
a shed for storing firewood or garden tools
 
woodwork
work made of wood; especially moldings or stairways or furniture
 
woofer
a loudspeaker that reproduces lower audio frequency sounds
 
wool
a fabric made from the hair of sheep
 
work clothes
clothing worn for doing manual labor
 
work in progress
a piece of work that is not yet finished
 
work of art
art that is a product of one of the fine arts (especially a painting or sculpture of artistic merit)
 
work surface
a horizontal surface for supporting objects used in working or playing games
 
work table
a table designed for a particular task
 
work
a place where work is done
 
work-shirt
heavy-duty shirts worn for manual or physical work
 
workbag
container for holding implements and materials for work (especially for sewing)
 
workboard
a horizontal board that provides a supported surface for manual work
 
workhorse
machine that performs dependably under heavy use
 
workhouse
a county jail that holds prisoners for periods up to 18 months
 
workhouse
a poorhouse where able-bodied poor are compelled to labor
 
working
a mine or quarry that is being or has been worked
 
workings
the internal mechanism of a device
 
workpiece
work consisting of a piece of metal being machined
 
workroom
room where work is done
 
workstation
a desktop digital computer that is conventionally considered to be more powerful than a microcomputer
 
workwear
heavy-duty clothes for manual or physical work
 
World Trade Center
twin skyscrapers 110 stories high in New York City; built 1368 feet tall in 1970 to 1973; destroyed by a terrorist attack on September 11, 2001
 
World Wide Web
computer network consisting of a collection of internet sites that offer text and graphics and sound and animation resources through the hypertext transfer protocol
 
worldly good
a commodity or good associated with the earthly, rather than the spiritual, existence of human beings
 
worm
screw thread on a gear with the teeth of a worm wheel or rack
 
worm gear
gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion
 
worm wheel
gear with the thread of a worm
 
worsted
a woolen fabric with a hard textured surface and no nap; woven of worsted yarns
 
worsted
a tightly twisted woolen yarn spun from long-staple wool
 
wrap
cloak that is folded or wrapped around a person
 
wrap
the covering (usually paper or cellophane) in which something is wrapped
 
wraparound
a garment (as a dress or coat) with a full length opening; adjusts to the body by wrapping around
 
wreck
a ship that has been destroyed at sea
 
wreckage
the remaining parts of something that has been wrecked
 
wrestling mat
a mat on which wrestling matches are conducted
 
wrestling ring
a square ring in which wrestlers compete
 
wringer
a clothes dryer consisting of two rollers between which the wet clothes are squeezed
 
wrist band
a band or bracelet worn around the wrist
 
wrist pad
protective garment consisting of a pad worn by football players
 
wrist watch
a watch that is worn strapped to the wrist
 
wristband
band consisting of a part of a sleeve that covers the wrist
 
writing arm
an arm of a tablet-armed chair; widened to provide a writing surface
 
writing board
work surface consisting of a wide lightweight board that can be placed across the lap and used for writing
 
writing desk
a desk for writing (usually with a sloping top)
 
writing desk
a portable case containing writing materials and having a writing surface
 
writing implement
an implement that is used to write
 
Wytensin
antihypertensive drug (trade name Wytensin) that reduces blood pressure by its effect on the central nervous system
 
X-OR circuit
gate for exclusive OR; a circuit in a computer that fires only if only one of its inputs fire
 
X-ray film
photographic film used to make X-ray pictures
 
X-ray machine
an apparatus that provides a source of X rays
 
X-ray photograph
a radiogram made by exposing photographic film to X rays; used in medical diagnosis
 
X-ray tube
a vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays
 
Xanax
an antianxiety agent (trade name Xanax) of the benzodiazepine class
 
xerographic printer
a page printer that uses the xerographic process
 
Xerox machine
a duplicator (trade mark Xerox) that copies graphic matter by the action of light on an electrically charged photoconductive insulating surface in which the latent image is developed with a resinous powder
 
xerox
a copy made by a xerographic copier
 
Xylocaine
a local anesthetic (trade names Lidocaine and Xylocaine) used topically on the skin and mucous membranes
 
yacht chair
a light folding armchair for outdoor use
 
Yagi aerial
a sharply directional antenna
 
Yale University
a university in Connecticut
 
yard
an enclosure for animals (as chicken or livestock)
 
yard
a long horizontal spar tapered at the end and used to support and spread a square sail or lateen
 
yard donkey
a winch (or system of winches) powered by an engine and used to haul logs from a stump to a landing or to a skid road
 
yard marker
(football) a marker indicating the yard line
 
yard measure
a ruler or tape that is three feet long
 
yardarm
either end of the yard of a square-rigged ship
 
yarmelke
a skullcap worn by religious Jews (especially at prayer)
 
yashmac
the face veil worn by Muslim women
 
yataghan
a long Turkish knife with a curved blade having a single edge
 
yawl
a ship's small boat (usually rowed by 4 or 6 oars)
 
yellow jack
yellow flag hoist on a ship in quarantine
 
yo-yo
a toy consisting of a spool that is reeled up and down on a string by motions of the hand
 
yoke
stable gear that joins two draft animals at the neck so they can work together as a team
 
yoke
fabric comprising a fitted part at the top of a garment
 
yoke
support consisting of a wooden frame across the shoulders that enables a person to carry buckets hanging from each end
 
yurt
a circular domed dwelling that is portable and self-supporting; originally used by nomadic Mongol and Turkic people of central Asia but now used as inexpensive alternative or temporary housing
 
Zamboni
the trademark for a machine that smooths the ice in an ice-skating rink
 
Zantac
a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux
 
zapper
an electrical device that can injure or kill by means of electric currents
 
zarf
an ornamental metal cup-shaped holder for a hot coffee cup
 
Zarontin
an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy
 
zero
the sight setting that will cause a projectile to hit the center of the target with no wind blowing
 
ziggurat
a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians
 
zill
one of a pair of small metallic cymbals worn on the thumb and middle finger; used in belly dancing in rhythm with the dance
 
Zimmer frame
a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk
 
Zinacef
a cephalosporin that can be given parenterally (trade name Zinacef) or orally by tablets (trade name Ceftin); indicated for infections of the lungs or throat or ears or urinary tract or meninges
 
zinc ointment
an ointment containing zinc that is used to treat certain skin diseases
 
zip gun
a crude homemade pistol
 
Zithromax
a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body
 
Zocor
an oral lipid-lowering medicine (trade name Zocor) administered to reduce blood cholesterol levels; recommended after heart attacks
 
zodiac
(astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs
 
Zoloft
a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade name Zoloft)
 
zoot suit
a flashy suit of extreme cut
 
Zovirax
an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms
 
Zyloprim
a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid