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prickleback

American  
[prik-uhl-bak] / ˈprɪk əlˌbæk /

noun

  1. any of several blennioid fishes of the family Stichaeidae, usually inhabiting cold waters, having spiny rays in the dorsal fin.

  2. stickleback.

Etymology

Origin of prickleback

First recorded in 1740–50; prickle + back 1

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.