Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

belladonna

play
noun bel·la·don·na \ˌbe-lə-ˈdä-nə\

Simple Definition of belladonna

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

  • : a drug made from the belladonna plant

Full 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 (as atropine) from the belladonna plant

Origin of belladonna

Italian, literally, beautiful lady


First Known Use: 1597


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




Learn More about belladonna


Seen and Heard

What made you want to look up belladonna? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift pince-nez duvet kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ