Source : Webster's Revised Unabridged Dictionary (1913)

Bezoar \Be"zoar\, n. [F. b['e]zoard, fr. Ar. b[=a]zahr,
   b[=a]dizahr, fr. Per. p[=a]d-zahr bezoar; p[=a]d protecting +
   zahr poison; cf. Pg. & Sp. bezoar.]
   A calculous concretion found in the intestines of certain
   ruminant animals (as the wild goat, the gazelle, and the
   Peruvian llama) formerly regarded as an unfailing antidote
   for poison, and a certain remedy for eruptive, pestilential,
   or putrid diseases. Hence: Any antidote or panacea.

   Note: Two kinds were particularly esteemed, the Bezoar
         orientale of India, and the Bezoar occidentale of Peru.

   {Bezoar antelope}. See {Antelope}.

   {Bezoar goat} (Zo["o]l.), the wild goat ({Capra [ae]gagrus}).
      

   {Bezoar mineral}, an old preparation of oxide of antimony.
      --Ure.