an alkaloid, CHNO, extracted from the leaves of the jaborandi plant and used in medicine to stimulate sweating or to contract the pupil of the eye
See pilocarpine in American Heritage Dictionary 4
(pīˌlō-kärˈpēnˌ)
noun
A colorless or yellow poisonous compound, C11H16N2O2, obtained from the leaves of the jaborandi and used to induce sweating, promote salivation, and treat glaucoma.