• synonyms


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