hyoscyamus: Meaning and Definition of

hy•os•cy•a•mus

Pronunciation: (hī"u-sī'u-mus), [key]
— n.
  1. the dried leaves, with or without the tops, of the henbane, Hyoscyamus niger, containing the alkaloids hyoscyamine and scopolamine, used in medicine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: