black locust

/blæk ˌloʊkəst/

Other forms: black locusts

Definitions of black locust

1. noun

   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
   synonyms: Robinia pseudoacacia, yellow locust

   type of:

   locust, locust tree

   any of various hardwood trees of the family Leguminosae
2. noun

   strong stiff wood of a black-locust tree; very resistant to decay
   type of:

   wood

   the hard fibrous lignified substance under the bark of trees