| Noun | 1. | Genista tinctoria - small Eurasian shrub having clusters of yellow flowers that yield a dye; common as weed in England and United States; sometimes grown as an ornamentalbroom - any of various shrubs of the genera Cytisus or Genista or Spartium having long slender branches and racemes of yellow flowers Genista, genus Genista - chiefly deciduous shrubs or small trees of Mediterranean area and western Asia: broom | |