noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A fin at the tail of a fish, caudal fin
2. 2
   one of a pair of decorations projecting above the rear fenders of an automobile wordnet
3. 3
   A fin on the tail of an aircraft, vertical stabilizer
4. 4
   a stabilizer that is part of the vertical tail structure of an airplane wordnet
5. 5
   A fin-like projection at the rear of a car, common on American cars of the 1950s.

Synonyms

All synonyms

fintail fintail finvertical finvertical stabiliservertical stabilizer

Etymology

From tail + fin.

Related phrases

caudal finvertical stabilizer

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.