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 In mice, the drug turned off Fyn, which allowed synapses to start working again, and the animals experienced a reversal of some memory loss. Mayo Clinic News Network, chicagotribune.com, "Alzheimer’s treatments: What’s on the horizon?," 11 Nov. 2019 Laboratory studies have shown that prolonged exposure to high-intensity blue light damages retinal cells in mice. Phillip Yuhas, Quartz, "Blue light isn’t the main cause of eye fatigue and sleep loss," 8 Nov. 2019 Gene therapy gives you a testable therapy at scale in mice. BostonGlobe.com, "Harvard study advances gene therapy in fighting age-related diseases - The Boston Globe," 5 Nov. 2019 To date, however, scientists have achieved this feat only in mice, so numerous challenges separate stem cells from baby rhinos. Ashley Braun, Longreads, "Research and Rescue: Saving Species from Ourselves," 24 Oct. 2019 Then the scientists intentionally made the same small genetic spelling mistake in mice. Karen Weintraub, Scientific American, "Why Do Some People Need Less Sleep? It’s in Their DNA," 16 Oct. 2019 These extended periods of abstinence are enough to slow aging in mice, whether overall calorie intake is reduced or not. William Mair, Twin Cities, "William Mair: Five myths about aging," 24 Sep. 2019 According to Sheikh, Yamanaka and his colleagues realized M.C.H. neurons’ significance while studying sleep patterns in mice. Meilan Solly, Smithsonian, "Dreaming May Help the Brain Forget Excess Memories, a Study of Mice Shows," 21 Sep. 2019 What’s eye-popping here is the timescale: just 46 days from molecular design to animal testing in mice. Jonathan Vanian, Fortune, "Why These Two Innovations In Artificial Intelligence Are So Important: Eye on A.I.," 17 Sep. 2019 Recent Examples on the Web: Verb 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 The lab mice would pick up whatever the pet-shop mouse was carrying—everything from fur mites and pinworms to mouse hepatitis—and perhaps become immunologically more like the pet-shop mouse. Cassandra Willyard, Scientific American, "Squeaky Clean Mice Could be Ruining Research," 9 Apr. 2018 The old, timid lifer mousing through the revolving door has served so many in government for so long that surely the trick will never die. Kent Sepkowitz, Slate Magazine, "Confessions of a Washington Swamp Creature," 17 Feb. 2017 KeyRocket for Gmail Using keyboard shortcuts is always more efficient than mousing through menus, but many people don’t take the time to learn and memorize them. Michael Ansaldo, PCWorld, "4 Chrome extensions that make you more productive in Gmail," 4 May 2017

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

19 Nov 2019

Cite this Entry

“Mouse.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/mousing. Accessed 22 November 2019.

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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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