/bee"zawr, -zohr/ , n.
1. a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
2. Obs. a counterpoison or antidote.
[ 1470-80; earlier bezear bezahar ba ( di ) zahr
pad-zahr counterpoison; -o- ]