house mouse


Definition of house mouse

: a common nearly cosmopolitan grayish-brown mouse (Mus musculus) that usually lives and breeds about buildings, may act as a vector of diseases, and is an important laboratory animal

Examples of house mouse in a Sentence

Recent Examples on the Web The lifespan of a ordinary house mouse is less than 2 years, but Disney’s iconic rodent is still chugging along as Mickey Mouse turns 92. Richard Tribou,, "How old is Mickey Mouse? He turns 92 today," 18 Nov. 2020 As the Natufians became more sedentary, researchers started to see more house mouse molars in their encampments, reported Jason Bittel for National Geographic in 2017. Alex Fox, Smithsonian Magazine, "The House Mouse First Invaded Europe 6,500 Years Ago," 26 May 2020 Now, new research suggests the house mouse and its domesticated feline pursuer may have arrived in Europe thousands of years earlier than previously thought. Alex Fox, Smithsonian Magazine, "The House Mouse First Invaded Europe 6,500 Years Ago," 26 May 2020 Over the course of more than a century, the island mice evolved to be about 50 percent larger than normal house mice, which allows them to munch on larger food sources. Jason Daley, Smithsonian, "Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses," 10 Dec. 2019 Properly dispose of garbage in rodent-proof cans with tight-fitting lids to prevent house mice or other rodent populations from becoming established and competing with beach mice. Dennis Pillion |, al, "Alabama beach mouse helped build the dunes that protect our coast," 23 Oct. 2019 Under the law, using traps to catch gophers, house mice, rats, moles and voles would still be permitted. Los Angeles Times, "California becomes first state to ban fur trapping after Gov. Newsom signs law," 4 Sep. 2019 Introduced to the islands by ships during the 19th century, the house mice have been munching up the seed bank of sensitive plants, thus making room for invasive plants to thrive. Will Houston, The Mercury News, "‘Like dropping a nuclear bomb on this island’: Feds delay Farallon Islands poison airdrop bid," 11 July 2019 There is no question the Eurasian house mice, which are believed to have been introduced to the islands by seal hunters in the 19th century, are a serious problem. Peter Fimrite,, "U.S. wildlife agency pulls plan to poison mice on Farallon Islands — for now," 10 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'house mouse.' 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 house mouse

circa 1555, in the meaning defined above

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Time Traveler for house mouse

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The first known use of house mouse was circa 1555

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Statistics for house mouse

Last Updated

23 Nov 2020

Cite this Entry

“House mouse.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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More Definitions for house mouse

house mouse


Medical Definition of house mouse

: a mouse that frequents houses especially : a common nearly cosmopolitan grayish-brown mouse of the genus Mus (M. musculus) that lives and breeds about buildings, is an important laboratory animal, and is an important pest as a consumer of human food and as a vector of diseases

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