cavity

Noun
  1. A sizeable hole (usually in the ground) (synset 109416001)
    "they dug a pit to bury the body"
    is a type of: hole, hollow - a depression hollowed out of solid matter
    subtypes:
    • trou-de-loup - a sloping pit with a stake in the middle used as an obstacle to the enemy
    • barbecue pit - a pit where wood or charcoal is burned to make a bed of hot coals suitable for barbecuing meat
    • borrow pit - a pit created to provide earth that can be used as fill at another site
    • divot - (golf) the cavity left when a piece of turf is cut from the ground by the club head in making a stroke
    • fire pit - a pit whose floor is incandescent lava
    • quicksand - a pit filled with loose wet sand into which objects are sucked down
    • sandpit - a large pit in sandy ground from which sand is dug
    • sawpit - a pit over which lumber is positioned to be sawed by two men with a long two-handed saw
    • tar pit - a natural accumulation of bitumens at the surface of the earth; often acts as a trap for animals whose bones are thus preserved
    same as: pit
  2. Space that is surrounded by something (synset 113934532)
    is a type of: space - an empty area (usually bounded in some way between things)
    subtypes:
    same as: enclosed space
  3. Soft decayed area in a tooth;
    Progressive decay can lead to the death of a tooth (synset 113465686)
    is a type of: decay - the process of gradually becoming inferior
    same as: caries, dental caries, tooth decay
  4. (anatomy) a natural hollow or sinus within the body (synset 105310901)
    referred to in: anatomy, general anatomy - the branch of morphology that deals with the structure of animals
    is a type of: anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing and its construction and arrangement
    subtypes:
    • blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity - the fluid-filled cavity inside a blastula
    • archenteron - central cavity of the gastrula; becomes the intestinal or digestive cavity
    • sinus - any of various air-filled cavities especially in the bones of the skull
    • locule, loculus - a small cavity or space within an organ or in a plant or animal
    • lumen - a cavity or passage in a tubular organ
    • socket - a bony hollow into which a structure fits
    • pulp cavity - the central cavity of a tooth containing the pulp (including the root canal)
    • cranial orbit, eye socket, orbit, orbital cavity - the bony cavity in the skull containing the eyeball
    • buccal cavity - the cavity between the jaws and the cheeks
    • antrum - a natural cavity or hollow in a bone
    • cloaca - (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
    • vestibule - any of various bodily cavities leading to another cavity (as of the ear or vagina)
    • mediastinum - the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
    • middle ear, tympanic cavity, tympanum - the main cavity of the ear; between the eardrum and the inner ear
    • pleural cavity - the cavity in the thorax that contains the lungs and heart
    • chamber - an enclosed volume in the body
    • cranial cavity, intracranial cavity - the cavity enclosed by the cranium
    • amniotic cavity - the fluid-filled cavity that surrounds the developing embryo
    • greater peritoneal sac, peritoneal cavity - the interior of the peritoneum; a potential space between layers of the peritoneum
    • bursa omentalis, lesser peritoneal cavity, omental bursa - an isolated part of the peritoneal cavity that is dorsal to the stomach
    • pericardial cavity, pericardial space - the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
    • vacuole - a tiny cavity filled with fluid in the cytoplasm of a cell
    • ventricle - one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid
    • sac - a structure resembling a bag in an animal
    • uterine cavity - the space inside the uterus between the cervical canal and the Fallopian tubes
    • nasal cavity - either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx
    • nasopharynx - cavity forming the upper part of the pharynx
    • oropharynx - cavity formed by the pharynx at the back of the mouth
    • laryngopharynx - the lower part of the pharynx
    • blind gut, caecum, cecum - the cavity in which the large intestine begins and into which the ileum opens
    • tubular cavity - a cavity having the shape of a tube
    • armpit, axilla, axillary cavity, axillary fossa - the hollow under the arm where it is joined to the shoulder
    • chest cavity, thoracic cavity - the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
    • abdomen, abdominal cavity - the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
    • pelvis, renal pelvis - a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter
    • pelvic cavity - the space bounded by the bones of the pelvis and containing the pelvic viscera
    • celom, celoma, coelom - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity
    • fossa, pit - a concavity in a surface (especially an anatomical depression)
    is a part of: body, organic structure - the entire physical structure of an organism (an animal, plant, or human being)
    same as: bodily cavity, cavum

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