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weatherfish

American  
[weth-er-fish] / ˈwɛð ərˌfɪʃ /

noun

plural

weatherfish,

plural

weatherfishes

  1. any of several loaches of the genus Misgurnus, especially the European M. fossilis, which shows increased activity in response to changes in barometric pressure.

Etymology

Origin of weatherfish

First recorded in 1885–90; weather + fish

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.