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billbug

American  
[bil-buhg] / ˈbɪlˌbʌg /

noun

  1. any of several weevils, especially of the genera Calendra and Sitophilus, that feed on various grasses.

Etymology

Origin of billbug

An Americanism dating back to 1860–65; bill 2 + bug 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.