Meaning of belladonna

bel•la•don•na

Pronunciation: (bel"u-don'u), [key]
— n.
  1. Also calleda poisonous plant, Atropa belladonna, of the nightshade family, having purplish-red flowers and black berries.
  2. a drug from the leaves and root of this plant, containing atropine and related alkaloids: used in medicine to check secretions and spasms, to relieve pain or dizziness, and as a cardiac and respiratory stimulant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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