Mushroom

Pronunciation

• GenAm IPA: /ˈmʌʃˌruːm/
• Hyphenation: mush + room
• Rhymes: -uːm

Origin

From Middle English musheron, musseron, from Anglo-Norman, from Old French mousseron, from Medieval Latin mussiriōnem, musariōnem, accusative of mussiriō, musariō ("mushroom"), of origin: 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"). Replaced native swamm ("mushroom") from Old English. More at mire

Full definition of mushroom

Noun

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, figurative) One who rises suddenly from a low condition in life; an upstart.
6. Something that grows very quickly or seems to appear suddenly.

Synonyms

• (something appearing suddenly) shroom

Derived terms

Adjective

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

Verb

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.
3. (ballistics) (Of a bullet) To form the shape of a mushroom when a bullet impacts a soft target.