fly agaric



a very poisonous common woodland mushroom, Amanita muscaria, having a glossy red or orange cap with white spots, formerly a fly poison.

Nearby words

  1. flux, magnetic,
  2. fluxion,
  3. fluxionary hyperemia,
  4. fluxmeter,
  5. fly,
  6. fly ash,
  7. fly at,
  8. fly ball,
  9. fly blind,
  10. fly blister

Origin of fly agaric

First recorded in 1780–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fly agaric

  • The fly-agaric is quite as poisonous as its more common relative, and is equally to be shunned.

    Health on the Farm|H. F. Harris

British Dictionary definitions for fly agaric

fly agaric


a saprotrophic agaricaceous woodland fungus, Amanita muscaria, having a scarlet cap with white warts and white gills: poisonous but rarely fatalSee also amanita

Word Origin for fly agaric

so named from its use as a poison on flypaper

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012