I. noun Etymology: Middle English musheron, from Anglo-French musherum, musseron, from Late Latin mussirion-, mussirio Date: 15th century 1. a. an enlarged complex aboveground fleshy fruiting body of a fungus (as a basidiomycete) that consists typically of a stem bearing a pileus; especially one that is edible b. fungus 2. upstart 3. something resembling a mushroom II. intransitive verb Date: 1893 1. a. to well up and spread out laterally from a central source b. to become enlarged or extended ; grow 2. to collect wild mushrooms 3. to spring up suddenly or multiply rapidly

New Collegiate Dictionary. 2001.


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  • Mushroom — Chanson par Can extrait de l’album Tago Mago Pays  Allemagne Sortie 1971 …   Wikipédia en Français

  • mushroom — [mush′ro͞om΄, mush′room΄] n. [ME muscheron < OFr moisseron < LL mussirio (gen. mussirionis)] 1. a) any of various rapidly growing, fleshy fungi, typically having a stalk capped with an umbrellalike top; esp., a gill or pore fungus b) the… …   English World dictionary

  • mushroom — mush‧room [ˈmʌʆruːm, rʊm] verb [intransitive] to develop very quickly: • Cable has mushroomed into a giant industry. mushrooming adjective : • the mushrooming private business sector * * * mushroom UK US /ˈmʌʃruːm/ verb [I] INFORMAL …   Financial and business terms

  • Mushroom — Mush room, n. [OE. muscheron, OF. mouscheron, F. mousseron; perhaps fr. mousse moss, of German origin. See {Moss}.] 1. (Bot.) (a) An edible fungus ({Agaricus campestris}), having a white stalk which bears a convex or oven flattish expanded… …   The Collaborative International Dictionary of English

  • mushroom — mush room, v. i. 1. to grow or expand rapidly. [PJC] 2. to grow so much and so rapidly as to change qualitatively; used with into; as, a minor border skirmish mushroomed into a full blown war. [PJC] …   The Collaborative International Dictionary of English

  • mushroom — index proliferate Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • mushroom — [v] sprout; grow quickly augment, blow up, boom, burgeon, burst, detonate, expand, explode, flourish, go off, grow, grow rapidly, increase, luxuriate, proliferate, shoot up, spread, spring up; concepts 179,704 Ant. shrink, shrivel …   New thesaurus

  • mushroom — ► NOUN 1) a spore producing body of a fungus, typically having the form of a domed cap at the top of a stalk and often edible. 2) a pale pinkish brown colour. ► VERB ▪ increase or develop rapidly. ORIGIN Old French mousseron …   English terms dictionary

  • Mushroom — The mushroom Amanita muscaria, commonly known as fly agaric A mushroom is the fleshy, spore bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name mushroom is the cultivated… …   Wikipedia

  • mushroom — mushroomlike, adj. mushroomy, adj. /mush roohm, room/, n. 1. any of various fleshy fungi including the toadstools, puffballs, coral fungi, morels, etc. 2. any of several edible species, esp. of the family Agaricaceae, as Agaricus campestris… …   Universalium

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