- An herbaceous European plant (Atropa belladonna) with
reddish bell-shaped flowers and shining black berries. The whole plant
and its fruit are very poisonous, and the root and leaves are used as
powerful medicinal agents. Its properties are largely due to the
alkaloid atropine which it contains. Called also deadly nightshade. - A species of Amaryllis (A. belladonna); the belladonna
lily.
Definition
[ n.]