[ 'bi:zɔ: , 'bɛzəʊα: ]
■ noun
1》 a small stony concretion which may form in the stomachs of certain animals, formerly used as an antidote for various ailments.
2》 a wild goat with flat scimitar-shaped horns, the ancestor of the domestic goat. [ Capra aegagrus .]
Origin
C15: from Fr. ~d , based on Arab. bāzahr , from Pers. pādzahr 'antidote'.