Noun
Any of several grasses, of the genus Panicum, often found as a weed.
Usage- Uncountable
- usually
Couch grass (a European grass that spreads rapidly, Elymus repens).
Usage- Uncountable
- usually
Noun
North American grass with slender brushy panicles; often a weed on cultivated land
- Broader terms
European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed
- Broader terms