|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a scrap or morsel of food left at a meal.|
Around; about; enclosing: perimysium.
A prefix that means: "around" (as in pericardium,) or "near" (as in perihelion).
Pharmaceutical Education and Research Institute