couch grass

3 definitions found

couch grass - Collaborative International Dictionary of English v.0.48 :

  Quitch grass \Quitch" grass`\ (kw[i^]ch" gr[.a]s`). [Properly
     quick grass, being probably so called from its vigorous
     growth, or from its tenacity of life. See Quick, and cf.
     Couch grass.] (Bot.)
     A perennial grass (Agropyrum repens) having long running
     rootstalks, by which it spreads rapidly and pertinaciously,
     and so becomes a troublesome weed. Also called couch grass,
     quack grass, quick grass, twitch grass. See
     Illustration in Appendix.
     [1913 Webster]

  Couch grass \Couch" grass`\ (gr?s`). (Bot.)
     See Quitch grass.
     [1913 Webster]

couch grass - WordNet (r) 2.1 (2005) :

  couch grass
      n 1: European grass spreading rapidly by creeping rhizomes;
           naturalized in North America as a weed [syn: dog grass,
           couch grass, quackgrass, quack grass, quick grass,
           witch grass, witchgrass, Agropyron repens]