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Definition of quack grass
: a European grass (Elytrigia repens synonym Agropyron repens) that is naturalized throughout North America and spreads by creeping rhizomes —called also couch grass, quitch, twitch, witchgrass
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Origin and Etymology of quack grass
alteration of quick (grass), alteration of quitch (grass)
Medical Dictionary
quack grass
Medical Definition of quack grass
: a European grass of the genus Agropyron (A. repens) that is naturalized throughout North America and has roots and rhizome with diuretic properties—called also couch grass, quitch, twitch, witchgrass
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See words that rhyme with quack grass Britannica.com: Encyclopedia article about quack grass
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