belladonna

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noun bel·la·don·na \ˌbe-lə-ˈdä-nə\

Definition of belladonna

  1. 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. 2 :  a medicinal extract (such as atropine) from the belladonna plant

Recent Examples of belladonna from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'belladonna'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of belladonna

Italian, literally, beautiful lady


BELLADONNA Defined for English Language Learners

belladonna

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noun

Definition of belladonna for English Language Learners

  • : a poisonous plant that has reddish bell-shaped flowers

  • : a drug made from the belladonna plant


Medical Dictionary

belladonna

play
noun bel·la·don·na \ˌbel-ə-ˈdän-ə\

Medical Definition of belladonna

  1. 1:  an Old World poisonous plant of the genus Atropa (A. belladonna) having purple or green flowers, glossy black berries, and a root and leaves that yield atropine—called also deadly nightshade

  2. 2:  a medicinal preparation (as atropine) extracted from the belladonna plant and containing anticholinergic alkaloids



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