witch grass is a noun meaning "North American grass with slender brushy panicles; often a weed on cultivated land". It carries 2 recorded senses.
North American grass with slender brushy panicles; often a weed on cultivated land
European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed
Definitions, synonyms and semantic relations for witch grass come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.