n.
Pronunciation: ' b ē - ˌ zo ̇ r
Function: noun
Etymology: Middle French, from Medieval Latin, from Arabic dialect bezuw ā r, from Arabic b ā zahr, from Persian p ā d-zahr, from p ā d protecting (against) + zahr poison
Date: 1577
: any of various calculi found chiefly in the gastrointestinal organs and formerly believed to possess magical properties ― called also bezoar stone