Zool. (Also 6 bonasius, bonaze.) [a. L. bonasus, a. Gr. βόνασος bison.] A genus (or species) of the ox family (Bovidæ): the BISON. See also AUROCHS.
1572. Bossewell, Armorie, 56 b. The fielde is of ye Diamond, a Bonaze Perle Bonasius is a Beaste in fourme like a Bull.
1774. Goldsm., Nat. Hist. (1862), I. xiv. 234. The Cow kind, comprehending the Urus, the Buffalo, the Bison, and the Bonassus.
1790. Bewick, Quadrupeds (1824), 45. Whether it be the wild or the tame Ox, the Bonasus or the Urus.