1. Also called bois d'arc, bowwood. a tree, Maclura pomifera, of the mulberry family, native to the south-central U.S., having hard, yellowish wood and often cultivated for hedges.
2. the round, rough-skinned, inedible fruit of this tree.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.