Definition of Spanish broom
1 : a nearly leafless shrub (Spartium junceum) of the family Leguminosae of southern Europe and the Canary Islands that has green flexible twigs which are similar to rushes, are used in basketry, and yield a fiber and that has handsome fragrant flowers which yield a yellow dye
2 : a broom (Genista hispanica) of southwestern Europe having golden yellow flowers in heads
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