1. [ noun ] one of a pair of decorations projecting above the rear fenders of an automobile
Synonyms: fin tailfin
Related terms: decoration car
2. [ noun ] (transportation) a stabilizer that is part of the vertical tail structure of an airplane
Synonyms: vertical_fin tailfin vertical_stabiliser vertical_stabilizer
Related terms: stabilizer vertical_tail
3. [ noun ] (zoology) the tail of fishes and some other aquatic vertebrates
Synonyms: caudal_fin
Related terms: fin heterocercal_fin homocercal_fin fish
Similar spelling:   tailfin