tail fin

A form of tailfin — A fin at the tail of a fish, caudal fin

Similar
vertical stabilizervertical stabiliservertical fintailfinfincaudal fin
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Meanings

nountail fin (plural tail fins)

plural tail fins

  1. alternativeAlternative spelling of tailfin.

Synonyms & antonyms

nouna stabilizer that is part of the vertical tail structure of an airplane

Similar
vertical stabilizervertical stabiliservertical fintailfin
Broader
stabilizer

nounone of a pair of decorations projecting above the rear fenders of an automobile

Similar
tailfinfin
Broader
decorationornamentornamentation

nounthe tail of fishes and some other aquatic vertebrates

Similar
caudal fin
Broader
fin
Also see
caudal finfintailfinvertical stabilizer

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

tail fin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tail%20fin

MLA

“tail fin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tail%20fin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tail fin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tail%20fin.

Source: tail fin on Wiktionary, CC BY-SA 4.0.