| a panic grass, Panicum capillare, having a bushlike compound panicle, common as a weed in North America. |

| couch grass 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. [Alteration of quitch grass.] |
| witch grass n.
[Probably alteration of quitch grass.] |