quack grass

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noun Inland North and North Midland U.S..

a couch grass, Agropyron repens, a pernicious weed in cultivated fields.

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Origin of quack grass

First recorded in 1810–20

Words nearby quack grass

qu., qua, Quaalude, quack, quackery, quack grass, quacksalver, Quaco, quad, quad-band, quad bike

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use quack grass in a sentence

Quack grass will run out other grass because it travels under ground in the root as well as above ground in the seed.
Under the Maples|John Burroughs
By creeping root-stocks, as June grass, quack-grass and toad-flax.
Seeds of Michigan Weeds|W. J. (William James) Beal

British Dictionary definitions for quack grass

quack grass

noun

another name for couch grass

Word Origin for quack grass

C19: a variant of quick grass

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012