Meaning of tropine

tro•pine

Pronunciation: (trō'pēn, -pin), [key]
— n. Chem.
  1. a white, crystalline, hygroscopic, water-soluble, poisonous alkaloid, CHNO, obtained chiefly by the hydrolysis of atropine or hyoscyamine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.