catflap.org Online Dictionary Query

  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]

  Quitch grass \Quitch" grass`\ [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,
     quick grass, quick grass, twitch grass. See
     Illustration in Appendix.

  quitch grass /kwˈɪtʃ ɡɹˈas/
  Gemeine Quecke, Gewöhnliche Quecke, Kriechquecke
           Note: Elymus repens
     Synonyms: couch grass, quick grass, twitch grass, witchgrass, quackgrass, scutch grass
  
   see: wildrye, wheatgrasses