broom

Concise Oxford English Dictionary © 2008 Oxford University Press:
broom/bruːm/

▶noun

• 1 a long-handled brush of bristles or twigs, used for sweeping.

• 2 a shrub typically having many yellow flowers, long, thin green stems, and small or few leaves. [Cytisus scoparius and many other species, especially in the genera Cytisus and Genista.]

– origin OE brōm (in sense 2), of Gmc origin; rel. to bramble.