from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various mushrooms in the genus Amanita, many of which are extremely poisonous.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of very many agaric mushrooms, of the genus Amanita, most of which are very poisonous

from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of poisonous fungi of the family Agaricaceæ, characterized by having a volva, an annulus, and white spores. The species resemble edible mushrooms, and are frequently mistaken for them. Amanita muscaria, syn. Agaricus muscarius, is the fly amanita, or fly agaric; and Agaricus phalloides is the death cup (or death cap).

from The Century Dictionary and Cyclopedia

  • n. In mycology, a genus of fungi of the family Agaricaceæ, restricted by recent authors to white-spored species having the stem provided with both an annulus, or ring, and a volva. Over 50 species have been described, a number of which are common and widely distributed throughout temperate regions.
  • n. [lowercase] A plant of this genus.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. genus of widely distributed agarics that have white spores and are poisonous with few exceptions


New Latin Amānīta, genus name, from Greek amānītai, a fungus.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Just two months ago, the Chronicle reported on three members of a Bay Area family — a grandmother and two preteen boys — that had been hospitalized after harvesting and eating amanita phalloida (aka “death cap”) mushrooms, a sister species to the kind that killed the Santa Barbara octogenarian.

    2009 March 10 « Scavenging

  • The man had picked poisonous amanita ocreata mushrooms, which are common in the Santa Barbara area, at the Douglas Family Preserve above Arroyo Burro Beach.

    2009 March 10 « Scavenging

  • I wanted to believe it was a love potion but … could that dried bit have been amanita?

    The Chef’s Apprentice

  • The Jew said, Maybe the word is ‘amanita,’ a poisonous mushroom.

    The Chef’s Apprentice

  • Milk thistle has been used as an effective treatment for amanita mushroom poisoning, which kills its victim by destroying the liver.

    Earl Mindell’s New Herb Bible

  • The death cap amanita phalloides looks a lot like a field mushroom and didn't get its name for nothing.

    At My Table

  • The colors associated with Christmas red and white are actually a representation of the amanita mascera mushroom.

    CNN Transcript Nov 11, 2005

  • The colors associated with Christmas, red and white, are actually a representation of the amanita mascera mushroom.

    CNN Transcript Nov 11, 2005

  • For amanita mushroom poisoning or poisons that can severely damage the liver, use silybum extract or the powder or extract of milk thistle seeds.


  • The child who can't tell a squirrel from a mouse but can work a computer has a strong Darwinian edge over the child who can hoot like an owl and tell the delicious wild boletus mushroom from the deadly amanita, but can't surf the Net.

    WASN'T THE GRASS GREENER A Curmudgeon's Fond Memories


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