ˈ ̷ ̷ˌ ̷ ̷ noun
1.
[probably alteration of quitch grass ]
: couch grass 1a
2.
[ witch (II) + grass ]
: any of several grasses of the genus Panicum ; especially : a No. American panic grass ( P. capillare ) with slender brushy panicles that is often a weed on cultivated land — called also tumble grass