|1.||either of two alkaloid drugs, atropine or hyoscyamine, obtained from the leaves and roots of the deadly nightshade|
|2.||another name for deadly nightshade|
|[C16: from Italian, literally: beautiful lady; supposed to refer to its use by women as a cosmetic]|
belladonna bel·la·don·na (běl'ə-dŏn'ə)
A poisonous Eurasian perennial herb having usually solitary, purplish-brown, bell-shaped flowers and glossy black berries. Also called deadly nightshade.
An alkaloidal extract or tincture derived from this plant.