资料来源 : WordNet®

black locust
     n 1: strong stiff wood of a black-locust tree; very resistant to
          decay
     2: 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 [syn: {yellow locust}, {Robinia
        pseudoacacia}]