an alkaloid, CHNO, obtained from various plants of the nightshade family, as belladonna, and used in medicine as a sedative or hypnotic, and sometimes with morphine to relieve pain
See scopolamine in American Heritage Dictionary 4
(skə-pŏlˈə-mēnˌ, -mĭn)
noun
A thick, syrupy, colorless alkaloid, C17H21NO4, extracted from plants such as henbane and used primarily as a mydriatic and sedative, and to treat nausea and prevent motion sickness. Also called hyoscine.