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 Stir in half of the kimchi, the mushroom caps, and the gochujang. Christopher Kimball, BostonGlobe.com, "Recipes: Three hearty stews that let you skip a step," 5 Jan. 2021 Members collected donations of stuffing/dressing mix, cornbread mix, cream of chicken soup, cream of mushroom soup, chicken/vegetable broth, green peas, black eyed peas, corn, yams/sweet potatoes and cranberry sauce for the gift bags. Helaine Williams, Arkansas Online, "Sharing the bounty: Helping Hands project, Little Rock Wrestling help feed the needy," 3 Jan. 2021 Cook anything with mushrooms—like the wild mushroom soup from A Taste of the Hocking Hills—to get the feel of being back at the Inn. Jennifer Billock, Smithsonian Magazine, "Satisfy Your Travel Cravings With These Seven Cookbooks From Famous Hotels," 22 Dec. 2020 Using a teaspoon, scrape out and discard the gills on the underside of the mushroom caps. Star Tribune, "Recipe: Cheesy Stuffed Portobello Mushrooms," 16 Dec. 2020 The house has two stately chimneys with large, mushroom shaped caps by the respected clay firm Ludowici Roof Tile. Judy Rose, Detroit Free Press, "Eccentric chateau pays tribute to Joe Louis, Hudson's, castle in Lichtenstein," 12 Dec. 2020 Any dish derived from seafood stock is just a little baggie away—my mom recently made a simple mushroom soup using a Badaone tea bag, a bottled udon soup base, and mushrooms. Joy Cho, Bon Appétit, "Dried Seafood Packets Are My Secret to Fast, Flavorful Soups and Stews," 7 Dec. 2020 The Lynhall Pick up a bundle for 1, 2 or 4 with beef short rib or a rosemary mushroom and Impossible bake as the main course (prices vary). Sharyn Jackson, Star Tribune, "25 Twin Cities restaurants offering takeout meals for New Year's Eve," 22 Dec. 2020 There will also be a vegetarian taco, such as mushroom, and a meat, like chicken tinga, plus a fun special. Janelle Bitker, SFChronicle.com, "'Pay what you can': In sign of times, S.F. Mexican restaurant launches sliding scale taco days," 18 Dec. 2020 Recent Examples on the Web: Verb The book predicts that the organizations will continue to mushroom. Doug Maccash, NOLA.com, "Need a guide to New Orleans Mardi Gras marching groups? New photo book 'I Wanna Do That!' can help," 1 Dec. 2020 All of Arizona's COVID-19 metrics remain far below the levels hit during the state’s summer peak for the virus, but experts caution that the increases seen in recent weeks could again quickly mushroom out of control. Stephanie Innes, The Arizona Republic, "Coronavirus in Arizona is spreading at its fastest rate since June. Here's what we know," 21 Oct. 2020 In San Francisco, homelessness program directors created a special unit to tackle prevention in the street, worrying that an infection in just one camp or shelter could mushroom. Kevin Fagan, SFChronicle.com, "Surprise: Homeless people not getting coronavirus in the disastrous waves experts had feared," 10 July 2020 Cases were also mushrooming elsewhere in the state: Epidemiologists were deployed to investigate six COVID-19 deaths in the southwest Georgia city of Albany that were later traced to local funerals. Keren Landman/undark, Popular Science, "Inside the struggles and successes of one Georgia county’s fight with COVID-19," 10 Apr. 2020 While there have been indications the outbreaks in those countries were growing more slowly, America's is still mushrooming. CBS News, "Coronavirus updates: U.S. suffers deadliest day yet in COVID-19 crisis," 31 Mar. 2020 In South Korea, President Moon Jae-in infamously declared the worst to be over just before cases mushroomed, prompting political backlash. Time, "What We Can Learn From Singapore, Taiwan and Hong Kong About Handling Coronavirus," 13 Mar. 2020 Coaches’ salaries have only mushroomed since, and current A&M coach Jimbo Fisher draws $7.5 million annually. Brent Zwerneman, ExpressNews.com, "NCAA to allow athletes to cash in," 29 Apr. 2020 Unchecked clusters of infection have mushroomed among the migrant worker communities, largely due to a lack of testing and abysmal, overcrowded living conditions. Jerrine Tan, Wired, "What Singapore Can Tell the World About Personal Liberty," 29 Apr. 2020

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

16 Jan 2021

Cite this Entry

“Mushroom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mushroom. Accessed 17 Jan. 2021.

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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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