tail fin

noun

1

: the terminal fin of a fish or cetacean

2

: fin sense 2b

Examples of tail fin in a Sentence

Recent Examples on the Web

Glide bombs have left craters, and the tail fins of shells stick out of the asphalt like flowers. — ABC News, 2 Nov. 2026

Slicing across the pavement, the aircraft struck several vehicles – including one left flipped onto its side and twisted into an arc not unlike the tail fin logo – before sliding to a fiery stop just shy of a parking lot filled with dozens of cars. — Maria Aguilar Prieto, CNN Money, 7 Sep. 2026

Unlike dolphins and stingrays, which typically show a single fin before disappearing underwater, sharks often reveal both their dorsal and tail fins. — Angelica Stabile, FOXNews.com, 31 July 2026

On a tail fin, the crew had stencilled a Playboy Bunny smoking a cigar. — Ed Caesar, New Yorker, 25 May 2026

Word History

First Known Use

1681, in the meaning defined at sense 1

Rhymes for tail fin

• akin
• auxin
• buckskin
• chagrin
• crankpin
• deerskin
• foreskin
• fuchsin
• herein
• kingpin
• linchpin
• pigskin