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mayfish

American

[mey-fish] / ˈmeɪˌfɪʃ /

noun

PLURAL

mayfishes

PLURAL

mayfish

striped killifish.

Etymology

Origin of mayfish

An Americanism dating back to 1830–40; May + 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.