bezoar
Concise Oxford English Dictionary © 2008 Oxford University Press:
bezoar /ˈbiːzɔː, ˈbɛzəʊɑː/
▶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. bezoard, based on Arab. bāzahr, from Pers. pādzahr ‘antidote’.
'bezoar' also found in these Oxford entries:

