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

• robinia pseudoacacia
• yellow 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

• genus robinia
• robinia

1. (noun) strong stiff wood of a black-locust tree; very resistant to decay

• wood

2. (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

• locust
• locust tree