mouse

noun
\ ˈmau̇s How to pronounce mouse (audio) \
plural mice\ ˈmīs How to pronounce mice (audio) \

Definition of mouse

 (Entry 1 of 2)

1 : any of numerous small rodents (as of the genus Mus) with pointed snout, rather small ears, elongated body, and slender tail
2 plural also mouses : a small mobile manual device that controls movement of the cursor and selection of functions on a computer display
3 : a timid person
4 : a dark-colored swelling caused by a blow specifically : black eye

mouse

verb
\ ˈmau̇z How to pronounce mouse (audio) \
moused; mousing

Definition of mouse (Entry 2 of 2)

intransitive verb

1 : to hunt for mice
2 : to search or move stealthily or slowly

transitive verb

1 : to search for carefully usually used with out
2 obsolete
a : bite, gnaw
b : to toy with roughly
mouse over
computing
: to use a mouse to position a cursor over (a specific location or element on a computer screen) without clicking the mouse's button Rich media is pretty much anything that moves when you interact with it. It can be a Flash animation, or a streaming video clip, or an image rotator that changes when you mouse over it.— Ariel Bleicher

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Examples of mouse in a Sentence

Noun The house was infested with mice and rats. He moved the mouse to click on the icon. Verb a cat mousing along in the shadows of the garden
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Recent Examples on the Web: Noun Bloomberg Businessweek Special Report, The Lost Year: A cure for the new coronavirus will depends on a rare kind of lab mouse. David Rovella, Bloomberg.com, "Your Evening Briefing," 15 May 2020 Most vaccine trials would start with testing on animals, but standard lab mice aren’t susceptible to coronavirus. Olivia Goldhill, Quartz, "Regulators would consider releasing an unapproved coronavirus vaccine," 8 May 2020 That same year, a fatal lung disease transmitted through the saliva, feces and urine of rats and mice called hantavirus pulmonary syndrome emerged in Panama for the first time, according to a report in the journal Emerging Infectious Diseases. Abrahm Lustgarten, ProPublica, "How Climate Change Is Contributing to Skyrocketing Rates of Infectious Disease," 7 May 2020 Other scientists are exposing laboratory mice to the coronavirus spike protein and studying the blood of people who have recovered from COVID-19 to identify traditional antibody drugs. Karin Brulliard, Carolyn Y. Johnson, Anchorage Daily News, "Quest for a coronavirus treatment involves door-to-door blood collection and a llama named Winter," 7 May 2020 Two new Microsoft keyboards Microsoft’s also launching two new mouse-and-keyboard combos. Mark Hachman, PCWorld, "Microsoft launches Surface Book 3 and Surface Go 2, a new Surface Dock and Surface Headphones 2," 6 May 2020 That included not just coronaviruses that cause the common cold but also those that cause severe acute respiratory syndrome and Middle East respiratory syndrome — even a coronavirus that infects only mice. Gina Kolata, BostonGlobe.com, "How remdesivir, new hope for coronavirus patients, was resurrected," 2 May 2020 The TikTok star will play Tinker, a cute little mouse in the animated comedy. Carolyn Twersky, Seventeen, "Charli D'Amelio is Starring in Her First Movie Called "StarDog and TurboCat" and It's Going to Be Hilarious," 30 Apr. 2020 At the end of those two weeks, the vaccine team applied patches to mice in the lab on the backs of their ears. Andrew Zaleski, Popular Mechanics, "So When Will a COVID-19 Vaccine Be Available?," 29 Apr. 2020 Recent Examples on the Web: Verb On some dashboards, the line graphs have each data point or segment labeled, but the graph is so small that the labels bleed together, forcing the user to mouse over each pinpoint dot on the graph to find precise info. Brian Feldman, Bloomberg.com, "The Software That’s Powering All the Coronavirus Dashboards," 14 May 2020 Most mammals at the time were closer to mouse-sized, while dinosaurs dominated the landscape. Theresa Machemer, Smithsonian Magazine, "66-Million-Year-Old ‘Crazy Beast’ Finds a Taxonomical Home," 1 May 2020 Some companies like Just are working on growing familiar meats like turkey, pork, chicken and beef, while others are working on exotic options like foie gras, bluefin tuna and even mouse meat for pet food. Jenny Splitter / Photography Kelsey Mcclellan, Popular Mechanics, "Please Don't Call This Cultured Nugget "Lab Meat"," 20 Dec. 2019 In 2017, Microsoft began building eye tracking into the Windows 10 Fall Creators Update as an assistive technology for those who were physically unable to mouse. Mark Hachman, PCWorld, "These four 'Eyes First' Windows games could do for eye tracking what Solitaire did for the PC's mouse," 19 June 2019 That may tick off some right-handed gamers who don’t like power cords on the same side as their mousing hand, but MSI does at least provide a right-angle plug to make routing less obtrusive. Gordon Mah Ung, PCWorld, "MSI GS65 Stealth Thin Review: This thin gaming laptop features 9th-gen Core and GTX 1660 Ti," 6 June 2019 The Settings app has been updated to include the translucency and mouse hot-tracking effects that Fluent brings, for example. Peter Bright, Ars Technica, "A look at what the Windows 10 April 2018 update brings," 30 Apr. 2018 Which could explain why the folks at Disney World aren't Mickey-mousing around. Neil Cavuto, Fox News, "Cavuto: As if we need a storm to remind us Christmas is over," 3 Jan. 2018 Former Disney blogging couple Charity and Matt Craig used the theme park as inspiration for their jewelry business, and are now selling quote bracelets to mouse lovers and beyond. Kyle Arnold, OrlandoSentinel.com, "Disney-inspired bracelet company uses Instagram to spread message," 20 Apr. 2018

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

Noun

before the 12th century, in the meaning defined at sense 1

Verb

13th century, in the meaning defined at intransitive sense 1

History and Etymology for mouse

Noun

Middle English, from Old English mūs; akin to Old High German mūs mouse, Latin mus, Greek mys mouse, muscle

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Time Traveler for mouse

Time Traveler

The first known use of mouse was before the 12th century

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Statistics for mouse

Last Updated

20 May 2020

Cite this Entry

“Mouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouse. Accessed 1 Jun. 2020.

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More Definitions for mouse

mouse

noun
How to pronounce mouse (audio)

English Language Learners Definition of mouse

: a very small animal that has a pointed nose and a long, thin tail
: a small device that is connected to a computer and that you move with your hand to control the movement of a pointer on the computer screen

mouse

noun
\ ˈmau̇s How to pronounce mouse (audio) \
plural mice\ ˈmīs \

Kids Definition of mouse

1 : a very small furry gnawing animal that is a rodent with a pointed snout and long slender tail
2 : a person without spirit or courage
3 plural also mouses : a small movable device that is connected to a computer and used to move the cursor and select functions on the screen

Other Words from mouse

mouselike \ ˈmau̇s-​ˌlīk \ adjective

mouse

noun
\ ˈmau̇s How to pronounce mouse (audio) \
plural mice\ ˈmīs How to pronounce mice (audio) \

Medical Definition of mouse

1 : any of numerous small rodents with pointed snout, rather small ears, elongated body, and slender hairless or sparsely haired tail, including all the smaller members of the genus Mus (as the medically significant house mouse, M. musculus) and many members of other rodent genera and families having little more in common than their relatively small size
2 : a dark-colored swelling caused by a blow specifically : black eye

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More from Merriam-Webster on mouse

Thesaurus: All synonyms and antonyms for mouse

Rhyming Dictionary: Words that rhyme with mouse

Spanish Central: Translation of mouse

Nglish: Translation of mouse for Spanish Speakers

Britannica English: Translation of mouse for Arabic Speakers

Britannica.com: Encyclopedia article about mouse

Comments on mouse

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