tail fin

Noun
  1. A stabilizer that is part of the vertical tail structure of an airplane (synset 104537257)
    is a type of: stabilizer - airfoil consisting of a device for stabilizing an aircraft
    is a part of: vertical tail - the vertical airfoil in the tail assembly of an aircraft
    same as: tailfin, vertical fin, vertical stabiliser, vertical stabilizer
  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: fin, tailfin
  3. The tail of fishes and some other aquatic vertebrates (synset 102469588)
    is a type of: fin - organ of locomotion and balance in fishes and some other aquatic animals
    subtypes:
    • heterocercal fin - a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
    • homocercal fin - symmetrical tail fin extending beyond the end of the vertebral column as in most bony fishes
    is a part of: fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills
    same as: caudal fin

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