mushroom

1 of 2

noun

mush·​room ˈməsh-ˌrüm How to pronounce mushroom (audio)
-ˌru̇m;
 chiefly Northern and Midland US  -ˌrün;
 dialectal  ˈmə-shə-ˌrüm,
-ˌru̇m,
-ˌrün
1
a
: 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
3
: something resembling a mushroom

mushroom

2 of 2

verb

mushroomed; mushrooming; mushrooms

intransitive verb

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

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
New bowls for chilly season include osso bucco ravioli, tortellini in brodo, and cheesy baked polenta with mushroom ragu. Anna Spiegel, Axios, 4 Nov. 2024 And in exchange, the forests of Finland will be there for them year after year, providing them with mushrooms and lingonberries. Christopher Elliott, Forbes, 2 Nov. 2024
Verb
Bitcoin is on the cusp of $100,000, meme coins are mushrooming at breakneck speed, and a new wave of traders is flooding the market. Nina Bambysheva, Forbes, 22 Nov. 2024 As cryptocurrency grew in popularity over the past half decade—particularly among young retail investors—marketplaces like Crypto.com mushroomed in popularity. Michael McCann, Sportico.com, 3 Sep. 2019 See all Example Sentences for mushroom 

Word History

Etymology

Noun

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

First Known Use

Noun

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

Verb

1893, in the meaning defined at sense 1a

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

Dictionary Entries Near mushroom

Cite this Entry

“Mushroom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mushroom. Accessed 28 Nov. 2024.

Kids Definition

mushroom

1 of 2 noun
mush·​room ˈməsh-ˌrüm How to pronounce mushroom (audio)
-ˌru̇m
1
: a fleshy part of a fungus that bears spores, grows above ground, and consists usually of a stem bearing a flattened cap
especially : one that is edible
2

mushroom

2 of 2 verb
: to appear or develop suddenly or increase rapidly
the population mushroomed

Medical Definition

mushroom

noun
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
2

More from Merriam-Webster on mushroom

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