finlet

[fin-lit]

noun

a small, detached ray of a fin in certain fishes, as mackerels.

Origin of finlet

First recorded in 1870–75; fin¹ + -let

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for finlet

Historical Examples of finlet

Each of the peculiar dorsal spines is primitively a single spine, not a finlet of several pieces, as some have suggested.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan