D defs.my
Entry 1 sense Webster, 1913

Osage orange

/ōs-āj' ôr'-ənj/ · O·sage or·ange · IPA
01 An ornamental tree of the genus Maclura (Maclura aurantiaca), closely allied to the mulberry (Morus); also, its fruit. The tree was first …
  1. 1.
    An ornamental tree of the genus Maclura (Maclura 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.(Bot.) See: Bois d'arc