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barnyard grass

American  

noun

  1. a weedy, coarse grass, Echinochloa crus-galli, having a spikelike cluster of flowers.

Etymology

Origin of barnyard grass

An Americanism dating back to 1835–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The sole use of de-weeding by hand has resulted in the surge of barnyard grass species that look indistinguishable from rice plants until they are ready to drop their seed.

From Washington Times

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.