witch grass

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a North American grass, Panicum capillare
• noun a European grass that spreads rapidly; couch grass

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed
• noun North American grass with slender brushy panicles; often a weed on cultivated land