Tail-fin definitions

tāl'fĭn'
A fin at the posterior part of the body of a fish, crustacean, whale, or other aquatic animal.
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An ornamental projection shaped like a fin on the rear fender of an automobile.
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A fixed or adjustable fin on the rear of a rocket, car, etc.
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A movable fin that forms the tail of a fish, the fluke of a whale, etc.
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A fin at the posterior part of the body of a fish, crustacean, whale, or other aquatic animal.
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A fin at the tail end of an aerodynamic or hydrodynamic object such as an airplane or surfboard, used to provide directional control or stability.
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Alternative spelling of tailfin.
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