greenweed [ 'ɡri:nwi:d ]

• n. small Eurasian shrub having clusters of yellow flowers that yield a dye; common as weed in England and United States; sometimes grown as an ornamental

  同义词： woodwaxen dyer's greenweed dyer's-broom dyeweed whin woadwaxen Genista tinctoria

以上来源于: WordNet