tail fin


tail fin

noun

: a fin at the back end of a fish, whale, etc.

: a decorative part on the back of a car that is shaped like a fish's fin

Full Definition of TAIL FIN

1
:  the terminal fin of a fish or cetacean
2
:  fin 2b

First Known Use of TAIL FIN

1681

Browse

Next Word in the Dictionary: tailfirst
Previous Word in the Dictionary: tail–female
All Words Near: tail fin

Seen & Heard

What made you want to look up tail fin? Please tell us where you read or heard it (including the quote, if possible).