a hard mass, such as a stone or hairball, in the stomach and intestines of animals, esp ruminants, and humans: formerly thought to be an antidote to poisons
Word origin
C15: from Old French bézoard, from Arabic bāzahr, from Persian bādzahr, from bād against + zahr poison
bezoar in American English
(ˈbiˌzɔr)
noun
a concretion found in the stomach or intestines of some animals, esp. ruminants, and sometimes humans, formerly thought to be an antidote for poisons