DICT.TW Dictionary Taiwan

 witch·grass /ˈwɪʧˌgræs/

 witchgrass
      n 1: North American grass with slender brushy panicles; often a
           weed on cultivated land [syn: witch grass, old
           witchgrass, old witch grass, tumble grass, Panicum
           capillare]
      2: European grass spreading rapidly by creeping rhizomes;
         naturalized in North America as a weed [syn: dog grass,
         couch grass, quackgrass, quack grass, quick grass,
          witch grass, Agropyron repens]