mushroom

English

Etymology

From Middle English musheron, musseron, from Anglo-Norman, from Old French mousseron, of Germanic origin: Old French mousse (“moss”) (—first applied to a type of fungus which grows in moss), from Low Frankish *mosa (“moss”) or Old Dutch mosa (“moss”), akin to Old High German mos (“moss, bog”), Old High German mios (“moss, mire”), Old English mēos (“moss”), Old English mōs (“bog, marsh”), Old Norse mosi (“moss”), Old Norse myrr (“bog, mire”), from Proto-Germanic *musą, *musô, *miuziz (“mosses, bog”), from Proto-Indo-European *meus- (“mosses, mold, mildew”). Displaced native Old English swamm (“mushroom”). More at mire. Alternatively, the Old French may be of pre-Roman origin.

Pronunciation

  • (UK, US) IPA(key): /ˈmʌʃˌɹuːm/, /ˈmʌʃˌɹʊm/
  • Audio (US)(file)
  • Hyphenation: mush‧room

Noun

mushroom (plural mushrooms)

  1. Any of the fleshy fruiting bodies of fungi typically produced above ground on soil or on their food sources (such as decaying wood).
    Some mushrooms are edible and taste good, while others are poisonous and taste foul.
  2. A fungus producing such fruiting bodies.
  3. champignon or Agaricus bisporus, the mushroom species most commonly used in cooking.
  4. One of the mushroom-shaped pegs in bar billiards.
  5. (obsolete, figuratively) One who rises suddenly from a low condition in life; an upstart.
    (Can we find and add a quotation of Francis Bacon to this entry?)
  6. Something that grows very quickly or seems to appear suddenly.

Synonyms

Derived terms

Translations

fruiting body of a fungus
The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

See also

Adjective

mushroom (not comparable)

  1. Having characteristics like those of a mushroom, for example in shape or appearance, speed of growth, or texture.
    mushroom cloud

Translations

Verb

mushroom (third-person singular simple present mushrooms, present participle mushrooming, simple past and past participle mushroomed)

  1. (intransitive) To grow quickly to a large size.
    The town’s population mushroomed from 10,000 to 110,000 in five years.
  2. To gather mushrooms.
    We used to go mushrooming in the forest every weekend.
  3. (ballistics, of a bullet) To form the shape of a mushroom when striking a soft target.

Translations

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