noun (plural bison)
Etymology: Latin bisont-, bison, of Germanic origin; akin to Old High German wisant aurochs; akin to Old Prussian wissambrs aurochs
Date: circa 1611
any of several large shaggy-maned usually gregarious recent or extinct bovine mammals (genus Bison ) having a large head with short horns and heavy forequarters surmounted by a large fleshy hump: as, wisent , buffalo 1c(1), bisontine adjective