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round herring

American

noun

any of several herringlike fishes of the family Dussumieriidae having a rounded abdomen, living chiefly in tropical marine waters.

Etymology

Origin of round herring

An Americanism dating back to 1835–45

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.