greenweed

Từ điển WordNet v3.1 - WordNet Dictionary

noun

small Eurasian shrub having clusters of yellow flowers that yield a dye;
common as a weed in Britain and the United States;
sometimes grown as an ornamental
• Syn:
woodwaxen, dyer's greenweed, dyer's-broom, dyeweed, whin,
woadwaxen, Genista tinctoria
• Hypernyms:
broom
• Member Holonyms:
Genista, genus Genista