fin

Noun
  1. The cardinal number that is the sum of four and one (synset 113766661)
    is a type of: digit, figure - one of the elements that collectively form a system of numeration
    same as: 5, cinque, five, fivesome, little phoebe, pentad, phoebe, quint, quintet, quintuplet, v
  2. One of a pair of decorations projecting above the rear fenders of an automobile (synset 104391493)
    is a type of: decoration, ornament, ornamentation - something used to beautify
    is a part of: auto, automobile, car, machine, motorcar - a motor vehicle with four wheels; usually propelled by an internal combustion engine
    same as: tail fin, tailfin
  3. One of a set of parallel slats in a door or window to admit air and reject rain (synset 103698002)
    is a type of: slat, spline - a thin strip (wood or metal)
    is a part of: jalousie - a shutter made of angled slats
    same as: louver, louvre
  4. A shoe for swimming;
    The paddle-like front is an aid in swimming (especially underwater) (synset 103369002)
    is a type of: 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
    same as: flipper
  5. A stabilizer on a ship that resembles the fin of a fish (synset 103345526)
    is a type of: stabiliser, stabilizer - a device for making something stable
    subtypes: vane - a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
    is a part of: ship - a vessel that carries passengers or freight
  6. Organ of locomotion and balance in fishes and some other aquatic animals (synset 102468763)
    is a type of: appendage, extremity, member - an external body part that projects from the body
    subtypes:
    • dorsal fin - unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance
    • pectoral fin - either of a pair of fins situated just behind the head in fishes that help control the direction of movement
    • pelvic fin, ventral fin - either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate
    • caudal fin, tail fin - the tail of fishes and some other aquatic vertebrates
    has: ray - any of the stiff bony spines in the fin of a fish
    is a part of: fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills
Verb
  1. Equip (a car) with fins (synset 202230693)
    is a type of: equip, fit, fit out, outfit - provide with (something) usually for a specific purpose
  2. Propel oneself through the water in a finning motion (synset 201965698)
    referred to in: aquatics, water sport - sports that involve bodies of water
    is a type of: swim - travel through water
  3. Show the fins above the water while swimming (synset 201965517)
    "The sharks were finning near the surface"
    is a type of: swim - travel through water
    same as: break water

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