[{"Bold_text": "noun", "List Items": ["Also called deadly nightshade deadly nightshade.a poisonous plant,Atropa belladonna,of the nightshade family, having purplish-red flowers and black berries.", "Pharmacology.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."]}]