Save Gender Feminine Usage Various Pronounced Pron. behl-ə-DAHN-ə(English) [key·IPA] Meaning & History From Italian bella "beautiful, fair" and donna "lady". This is the name of a toxic plant, also called deadly nightshade (species Atropa belladonna). Related Names User SubmissionBelladonna Categories beauty, English nature names, English nouns, flowers, Italian words, literature, plants, word names