Osage orange \O"sage or"ange\ (Bot.)
An ornamental tree of the genus {Maclura} ({M. aurantiaca}),
closely allied to the mulberry ({Morus}); also, its fruit.
The tree was first found in the country of the Osage Indians,
and bears a hard and inedible fruit of an orangelike
appearance. See {Bois d'arc}.