"witchgrass" in the noun sense

1. witchgrass, witch grass, old witchgrass, old witch grass, tumble grass, Panicum capillare

North American grass with slender brushy panicles often a weed on cultivated land

2. dog grass, couch grass, quackgrass, quack grass, quick grass, witch grass, witchgrass, Agropyron repens

European grass spreading rapidly by creeping rhizomes naturalized in North America as a weed

Source: WordNet® (An amazing lexical database of English)

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