Webster's Revised Unabridged Dictionary · 1913

Pilocarpine

Pilocarpine , noun

[From New Latin <i>Pilocarpus pennatifolius</i> jaborandi; Latin pilus hair + Greek karpo`s fruit: compare French pilocarpine.]

(Chemistry) An alkaloid extracted from jaborandi (Pilocarpus pennatifolius) as a white amorphous or crystalline substance which has a peculiar effect on the vasomotor system.