mushroom

noun
mush·​room | \ˈməsh-ˌrüm, -ˌru̇m; chiefly Northern and Midland US -ˌrün; dialectal ˈmə-shə-ˌrüm, -ˌru̇m, -ˌrün\

Definition of mushroom 

(Entry 1 of 2)

1a : an enlarged complex aboveground fleshy fruiting body of a fungus (such 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

mushroom

verb
mushroomed; mushrooming; mushrooms

Definition of mushroom (Entry 2 of 2)

intransitive verb

1a : 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

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Examples of mushroom in a Sentence

Noun

cut up some mushrooms for the salad

Verb

Interest in local history is suddenly mushrooming. Her hobby mushroomed into a thriving business. He goes mushrooming in the spring every year.
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Recent Examples on the Web: Noun

In an alleyway shaded by a weeping fig tree, Bún Cá Sâm Cây Si is known for delicious nem cá: deep-fried spring rolls filled with wood-ear mushrooms, minced pork, scallion, and tender fish. Peter Jon Lindberg, Condé Nast Traveler, "Hanoi, Time and Again," 20 Nov. 2018 More substantial was the vegan taco with mushroom, refried beans, garlic, guajillo chili and onions. Tan Vinh, The Seattle Times, "Hidden on Capitol Hill, a Mexican street-food spot draws raves," 23 Oct. 2018 That means even the guy who brings in the seaweed, which tops the pearl tapioca starter along with goat cheese and shiitake mushrooms. Todd Plummer, Vogue, "A Perfect Weekend Away in Dublin," 11 July 2018 Our Plumping Jelly Serum is made with silver ear mushrooms, reishi, and hyaluronic acid. Kathleen Hou, The Cut, "Amanda Chantal Bacon Suddenly Believes in Skin Care," 27 June 2018 Blake’s talent for pasta was evident in the wide noodles that tangled in an intense, dark broth steeped with local wild mushrooms. Craig Laban, Philly.com, "Orlando's best dining thrills are outside the parks," 22 June 2018 The kale infused tagliatelle with mushrooms, bacon and mascarpone sauce ($20) was also well treated, only lacking a touch of salt. Lindsey Mcclave, The Courier-Journal, "Louisville Italian restaurant is full of potential but has work to do," 20 June 2018 Among the appetizers, the clear standout was polenta profumo del bosco — crunchy fried triangles of soft-inside polenta with a bright corn flavor, topped with intensely woodsy mushrooms cooked in cream. Kate Washington, sacbee, "It's not flashy or splashy, but Roseville's Ciao excels at cooking classic Italian," 8 June 2018 Standout pies include the Diavola ($16), topped with sopressata and basil, and the Porcini e Carciofi ($18), with porcini mushrooms, artichokes and parmigiano reggiano. Emma Krupp, RedEye Chicago, "Neighborhood guide: What to eat, drink and do in Ravenswood," 12 Apr. 2018

Recent Examples on the Web: Verb

The reasons aren’t a fear of more traffic or mushrooming housing prices, but socio-cultural. Jon Talton, The Seattle Times, "In America’s ‘geography of despair,’ how to help the left-behind places?," 21 Nov. 2018 Various attacks based on ethnic rivalries are mushrooming across the country and are his biggest challenges to date. Elias Meseret, Fox News, "Hundreds arrested in Ethiopia after violence around capital," 24 Sep. 2018 After the deal, foreign investment in Beijing mushroomed from $47 billion in 2001 to $124 billion a decade later. Bob Davis, WSJ, "When the World Opened the Gates of China," 27 July 2018 Tesla's mushrooming Gigafactory in Nevada is busy producing cells for both Tesla cars and its Powerwall and Powerpack storage units. Marco Della Cava, USA TODAY, "Tesla pulls plug on Home Depot solar sales four months after national kickoff," 12 June 2018 Canada, Turkey, Germany, and other nations have taken in more refugees in recent years as the global migrant crisis has mushroomed, while the U.S. has made significant cuts to its programs. Alan Gomez, USA TODAY, "Trump administration vows to reunite nearly 3,000 separated families per judge's order," 5 July 2018 Yet also visible are signs of transformation, with mushrooming development downtown and many businesses moving in. Rick Rojas, The Seattle Times, "Newark police ask public to scan city’s surveillance-camera feeds," 9 June 2018 Yet also visible are signs of transformation, with mushrooming development downtown and many businesses moving in. New York Times, "In Newark, Police Cameras, and the Internet, Watch You," 9 June 2018 And last week, Wells Fargo reached a $480-million settlement with shareholders who said they were shortchanged when the bank's stock plunged after the accounts scandal mushroomed in September 2016. Jim Puzzanghera, latimes.com, "Wells Fargo will need a formal vote from the Federal Reserve before growth restrictions are lifted," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mushroom.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mushroom

Noun

15th century, in the meaning defined at sense 1a

Verb

1893, in the meaning defined at sense 1a

History and Etymology for mushroom

Noun

Middle English musheron, from Anglo-French musherum, musseron, from Late Latin mussirion-, mussirio

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Statistics for mushroom

Last Updated

8 Dec 2018

Look-up Popularity

Time Traveler for mushroom

The first known use of mushroom was in the 15th century

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More Definitions for mushroom

mushroom

noun

English Language Learners Definition of mushroom

 (Entry 1 of 2)

: a fungus that is shaped like an umbrella; especially : one that can be eaten

mushroom

verb

English Language Learners Definition of mushroom (Entry 2 of 2)

: to increase or develop very quickly

: to collect wild mushrooms

mushroom

noun
mush·​room | \ˈməsh-ˌrüm, -ˌru̇m\

Kids Definition of mushroom

 (Entry 1 of 2)

: a part of a fungus that bears spores, grows above ground, and suggests an umbrella in shape

mushroom

verb
mushroomed; mushrooming

Kids Definition of mushroom (Entry 2 of 2)

: to appear or develop suddenly or increase rapidly The town's population has mushroomed.

mushroom

noun
mush·​room | \ˈməsh-ˌrüm, -ˌru̇m \

Medical Definition of mushroom 

1 : an enlarged complex fleshy fruiting body of a fungus (as most basidiomycetes) that arises from an underground mycelium and consists typically of a stem bearing a spore-bearing structure especially : one that is edible — compare toadstool

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the figure or shape of a crescent moon

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