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weatherfish

American

[weth-er-fish] / ˈwɛð ərˌfɪʃ /

noun

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

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