Medical Dictionary
belladonna
noun bel·la·don·na \ˌbel-ə-ˈdän-ə\
Medical Definition of BELLADONNA
1
: an Old World poisonous plant of the genus Atropa (A. belladonna) having purple or green flowers, glossy black berries, and a root and leaves that yield atropine—called also deadly nightshade
2
: a medicinal preparation (as atropine) extracted from the belladonna plant and containing anticholinergic alkaloids
Seen & Heard
What made you want to look up belladonna? Please tell us where you read or heard it (including the quote, if possible).