tailfin

Definitions of tailfin
  1. noun
    a stabilizer that is part of the vertical tail structure of an airplane
    synonyms: tail fin, vertical fin, vertical stabiliser, vertical stabilizer
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    type of:
    stabilizer
    airfoil consisting of a device for stabilizing an aircraft
  2. noun
    one of a pair of decorations projecting above the rear fenders of an automobile
    synonyms: fin, tail fin
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    type of:
    decoration, ornament, ornamentation
    something used to beautify
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