ˈkau̇ch-, ˈküch- noun
also couch
( -es )
Etymology: alteration of quitch (grass)
1. : any of various grasses having creeping rhizomes by which they spread rapidly: as
a. : a European grass ( Agropyron repens ) naturalized throughout No. America as a weed — called also quack grass, quick grass, quitch grass, scutch grass, twitch grass, witchgrass
b. : a redtop ( Agrostis alba )
c. : slender foxtail
2. Australia : bermuda grass