mushroom

noun
mush·​room | \ ˈməsh-ˌrüm How to pronounce mushroom (audio) , -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
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 Denver voted to decriminalize psychedelic mushrooms in May of last year, while Oakland decriminalized all psychedelic plants and fungi shortly after. Harmeet Kaur, CNN, "Santa Cruz decriminalizes magic mushrooms and other natural psychedelics, making it the third US city to take such a step," 30 Jan. 2020 The city’s voters narrowly passed a groundbreaking measure in May to decriminalize psychedelic mushrooms. Saja Hindi, The Denver Post, "Top 10 Colorado politics stories of 2019: From our would-be presidents to bomb cyclones," 30 Dec. 2019 Most recent tests showed nothing to worry about, but there have been occasional high levels, found in wild mushrooms and pine cones from the mountains. Carolyn Kormann, The New Yorker, "Is Nuclear Power Worth the Risk?," 22 Dec. 2019 This is the point behind my mushroom and apricot pilaf, and behind a whole host of dishes from across the globe bearing similar names, such as pilav, pilau, plov and palaw. New York Times, "Rice at Its Finest," 20 Nov. 2019 In our opinion, this is the perfect way to preserve wild mushrooms from a successful foraging venture. CBS News, "Recipe from "Joy of Cooking": Mushroom Confit," 7 Nov. 2019 The pork jäger schnitzel ($22), with its mushroom laden brown bacon sauce, was eclipsed only by the veal wiener schnitzel ($24), which was expertly seasoned and packed with flavor. Lindsey Mcclave, The Courier-Journal, "Das ist gut! Gasthaus serves up 100% authentic German deliciousness in Louisville," 16 Oct. 2019 Discover how to grow, pick and eat your own mushrooms. Sam Boyer, cleveland, "History Buffs show their stuff at Old School Trivia Night: Whit & Whimsey," 27 Sep. 2019 Our mushrooms turned out perfectly—super soft, with no crunch. James Lynch, Popular Mechanics, "11 Powerful, Portable Camp Stoves That Bring the BTUs," 17 Sep. 2019 Recent Examples on the Web: Verb Boeing is posting its first annual loss since 1997, as the financial fallout from two deadly crashes of the 737 Max has mushroomed to more than $18 billion. CBS News, "Boeing posts first annual loss since 1997 as 737 Max costs rise," 29 Jan. 2020 Since its formation Friday, the Facebook group Boycott BackcountryDOTcom has mushroomed to more than 12,000 members, all of them angry and discussing ways to spread the boycott. Frederick Reimers, Outside Online, "Why Thousands of People Are Mad at Backcountry," 6 Nov. 2019 What began as small rallies by unemployed graduates and unhappy street vendors has mushroomed. The Economist, "Streets of fury Iraq’s government seems powerless to halt protests in the Shia heartland," 10 Oct. 2019 Since the product's launch, the portion of high school students using e-cigarettes has mushroomed to 20 percent, according to U.S. survey figures released last year. Matthew Perrone, chicagotribune.com, "Tobacco merger talks: Altria, Philip Morris may reunite," 27 Aug. 2019 Since its launch, the portion of high school students using e-cigarettes has mushroomed to 20%, according to U.S. survey figures released last year. CBS News, "Philip Morris and Altria, separated a decade ago, are in talks to merge," 27 Aug. 2019 As the population mushroomed by 4% to 5% each year in the early 2000s, the borough mayor called for a study of police powers. Kyle Hopkins, ProPublica, "Looking for Alaska’s Rural Police Force? Check the Suburbs.," 5 Dec. 2019 As the population mushroomed by 4% to 5% each year in the early 2000s, borough officials called for a study of police powers. Anchorage Daily News, "Looking for Alaska’s ‘rural’ state police force? Check the fast-growing Mat-Su Borough.," 5 Dec. 2019 In recent years, that number has mushroomed to more than 524,000. Lance Hernandez, The Know, "For first time, Eldorado Canyon State Park ponders requiring reservations," 16 Sep. 2019

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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Time Traveler for mushroom

Time Traveler

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

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Statistics for mushroom

Last Updated

17 Feb 2020

Cite this Entry

“Mushroom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mushroom?pronunciation&lang=en_us&dir=m&file=mushro01. Accessed 18 Feb. 2020.

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More Definitions for mushroom

mushroom

noun
How to pronounce mushroom (audio)

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 How to pronounce mushroom (audio) , -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 How to pronounce mushroom (audio) , -ˌru̇m How to pronounce mushroom (audio) \

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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