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finlet

American  
[fin-lit] / ˈfɪn lɪt /

noun

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

Etymology

Origin of finlet

First recorded in 1870–75; fin 1 + -let

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.