black locust

Noun black locust has 2 senses

• black locust(n = noun.plant) - strong stiff wood of a black-locust tree; very resistant to decay;
is a kind of wood

• black locust(n = noun.plant) robinia pseudoacacia, yellow locust - large thorny tree of eastern and central United States having pinnately compound leaves and drooping racemes of white flowers; widely naturalized in many varieties in temperate regions;
is a kind of locust, locust tree
is a member of genus robinia, robinia