Main Entry: bel·la·don·na

Pronunciation: \ˌbe-lə-ˈdä-nə\

Function: noun

Etymology: Italian, literally, beautiful lady

Date: 1597

1 : an Old World poisonous plant (Atropa belladonna) of the nightshade family having purple or green bell-shaped flowers, glossy black berries, and root and leaves that yield atropine —called also deadly nightshade
2 : a medicinal extract (as atropine) from the belladonna plant