Bezoar

n.
  1. 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.
    2. Bezoar antelope .
    See Antelope.
    Bezoar goat (Zoöl.),
    the wild goat (Capra ægagrus).
    Bezoar mineral ,
    an old preparation of oxide of antimony.