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Definitions for fin

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  • Organ of locomotion and balance in fishes and some other aquatic animals

  • A stabilizer on a ship that resembles the fin of a fish

  • One of a set of parallel slats in a door or window to admit air and reject rain

  • A shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)

  • One of a pair of decorations projecting above the rear fenders of an automobile

  • The cardinal number that is the sum of four and one

  • Show the fins above the water while swimming

  • Propel oneself through the water in a finning motion

  • Equip (a car) with fins

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