From Longman Dictionary of Contemporary Englishbelladonnabel‧la‧don‧na /ˌbeləˈdɒnə $ -ˈdɑːnə/ noun [uncountable] 1 HBPa poisonous plant SYN deadly nightshade2 MDa substance from this plant, used as a drug
Examples from the Corpus
belladonna• The paths are bordered with many trees and shrubs as well as hydrangeas, agapanthus and belladonna lilies.• In the first case the remedy would be belladonna and in the second, aconite.• You do sell red arsenic, nightshade, belladonna, and other deadly potions to those who are prepared to pay.• One can get alcoholic extract of belladonna quite easily.• If atropine it was, it was easily obtainable in extract of belladonna.• This wasn't me, I hasten to add, but the pill, which was based on belladonna.Origin belladonna (1700-1800) Italian “beautiful lady”; because it was used in cosmetics 