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quack grass

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noun Inland North and North Midland U.S..
  1. a couch grass, Agropyron repens, a pernicious weed in cultivated fields.
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Origin of quack grass

First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for quack grass

Historical Examples

  • 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
  1. another name for couch grass
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Word Origin

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