witch grass

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. European grass spreading rapidly by creeping rhizomes;
naturalized in North America as a weed
• Syn:
dog grass, couch grass, quackgrass, quack grass, quick grass,
witchgrass, Agropyron repens
• Hypernyms:
wheatgrass, wheat-grass
2. North American grass with slender brushy panicles;
often a weed on cultivated land
• Syn:
witchgrass, old witchgrass, old witch grass, tumble grass, Panicum capillare
• Hypernyms:
panic grass