ETYM Latin from Greek; orig. the name of a thorny tree found in Egypt; prob. from the root ak to be sharp. Related to Acute.
Any of a large group of shrubs and trees of the genus Acacia of the legume family Leguminosae. Acacias include the thorn trees of the African savanna and the gum arabic tree A. senegal of N Africa, and several North American species of the SW US and Mexico. Acacias are found in warm regions of the world, particularly Australia.
Any of various spiny trees or shrubs of the genus Acacia.
1. 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.
2. Strong stiff wood of a black-locust tree; very resistant to decay.
Or locust tree.
Any of various hard-wooded trees of the family Leguminosae; SYN. locust.
In botany, any of several trees of the genera Robinia and Gleditsia of the legume family, with primate compound leaves and many-seeded pods, of E US. The black locust R. pseudoacacia and the honeylocust G. triacanthos are examples. The name locust tree is also applied to the carob, a small European tree.
Leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae; Also called: family Papilionacea.