from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A Eurasian grass (Agropyron repens) that has whitish-yellow root stocks and has become a troublesome weed in the New World. Also called quack grass, witch grass.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A species of grass, Elymus repens, usually considered a weed.

from the GNU version of the Collaborative International Dictionary of English

  • See quitch grass.

from The Century Dictionary and Cyclopedia

  • n. The popular name of Triticum repens, a species of grass which infests arable land as a troublesome weed.
  • n. The stoloniferous variety of fiorin, Agrostis alba.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed


Alteration of quitch grass.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From couch + grass. (Wiktionary)


Sorry, no example sentences found.


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  • I have 'pain-in-the-ass grass.' You know, that grass that won't grow on your lawn but thrives in the cracks of the driveway and patio.

    Is that also known as couch grass?

    July 25, 2008

  • Elytrigia repens
    also spelled "couchgrass"; also called twitch, quick grass, quitch grass, dog grass, and quackgrass.

    "Who in their senses, one wonders, would leave the fertile plains of Lombardy to build a settlement – let alone a city – among these marshy, malarial wastes, on little islets of sand and couchgrass, the playthings of current and tide?"

    – John Julius Norwich, A History of Venice (London: Penguin, 2003), p. 4.

    July 25, 2008