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Noun: fin  fin
  1. Organ of locomotion and balance in fishes and some other aquatic animals
     
  2. One of a pair of decorations projecting above the rear fenders of an automobile
    - tail fin, tailfin
     
  3. One of a set of parallel slats in a door or window to admit air and reject rain
    - louver [US], louvre
     
  4. A shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
    - flipper
     
  5. A stabilizer on a ship that resembles the fin of a fish
     
  6. [US, informal] A United States bill worth 5 dollars
    - fiver [US], five-spot [US], five dollar bill [US]
Verb: fin (finned,finning)  fin
  1. Equip (a car) with fins
     
  2. (water sport) propel oneself through the water in a finning motion
     
  3. Show the fins above the water while swimming
    "The sharks were finning near the surface";
    - break water

Sounds like: filters, philtres, philt, fin

Derived forms: fins, finning, finned

Type of: appendage, bank bill, bank note, banker's bill, banknote, bill [N. Amer], decoration, equip, extremity, Federal Reserve note [US], fit, fit out, government note [US], greenback [US], member, note, ornament, ornamentation, outfit, shoe, slat, spline, stabiliser [Brit], stabilizer, swim

Part of: auto, automobile, car, fish, jalousie, machine, motorcar, ship

Encyclopedia: Fin, Iran