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

fly agaric

noun

Definition of fly agaric

  1. :  a medium to large poisonous amanita mushroom (Amanita muscaria) with a usually bright red cap



1788

First Known Use of fly agaric

1788


Medical Dictionary

fly agaric

noun

Medical Definition of fly agaric

  1. :  a poisonous mushroom of the genus Amanita (A. muscaria) that has a variably colored but typically bright-red pileus with a warty white scurf on the surface that with the related death cap is responsible for most cases of severe mushroom poisoning, that has been used as a source of poison for flypaper, and that is extensively used chiefly in northeastern Asia as an intoxicant especially for the hallucinatory effects that it produces—called also fly amanita, fly mushroom




Learn More about fly agaric


Seen and Heard

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

WORD OF THE DAY

the range of perception or understanding

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

disapprove perplex reduce soothe
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ