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 : a timid person
3 : a dark-colored swelling caused by a blow specifically : black eye
4 plural also mouses : a small mobile manual device that controls movement of the cursor and selection of functions on a computer display

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 obsolete

a : bite, gnaw
b : to toy with roughly
2 : to search for carefully usually used with out
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

Grace and Blanche, two old mice who were second cousins, reached relative fame before dying within months of each other at their home in Bar Harbor, Maine. Clare Ansberry, WSJ, "This Old Mouse: ‘Golden Girls’ Unlock the Mysteries of Aging," 26 Mar. 2019 But much like mice in a trap, these couples will die trying. Casey Wilson, Glamour, "Casey Wilson Wants You to Start Watching 90 Day Fiancé," 25 Mar. 2019 The makers of a 2018 Good Housekeeping Toy Award winner, Lost Kitties, are launching a pesky sidekick, mice! Selina Tedesco, Good Housekeeping, "EXCLUSIVE: Hasbro Is Bringing Lost Kitties Mice Mania to Stores This Spring," 13 Feb. 2019 Raccoons, marmots, mice, and other small animals have been known to pilfer tasty morsels when given the chance. Kraig Becker, Popular Mechanics, "How to Set Up Camp," 2 Apr. 2019 Foster’s lab experimented with mice, seeking to determine the effects of inhaling diesel exhaust, among other tests. Emery P. Dalesio, The Seattle Times, "Duke University pays $112M to settle faked-research lawsuit," 25 Mar. 2019 This bundle includes the G203 gaming mouse, G213 Prodigy keyboard, G230 headset, and a cloth mouse pad. Cameron Faulkner, The Verge, "PC gaming accessories, flash drives, and more are discounted today on Amazon," 5 Dec. 2018 In female rats and male and female mice, the link between cancers and exposure to cellphone radiation was less clear, the researchers said. Sarah Krouse, WSJ, "Scientists Find ‘Clear Evidence’ Cellphone Radiation Can Cause Cancer in Rats," 1 Nov. 2018 And for the more subtle decorators, there a slew of super-cute displays that are much more low-key. Check out these meddling mice, a simple trick or treat text, or this tribute to Edgar Allan Poe. Jennifer Aldrich, Country Living, "These Halloween Stair Decals Will Instantly Transform Your Home Into a Haunted House," 7 Oct. 2018

Recent Examples on the Web: Verb

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 The link between such human settlements and house mouse fluctuations became even clearer when the team compared their fossil results to mouse populations around today’s hunter-gatherers. Joe Blossom, National Geographic, "Humans 'Domesticated' Mice 15,000 Years Ago," 27 Mar. 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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Learn More about mouse

Statistics for mouse

Last Updated

7 May 2019

Look-up Popularity

Time Traveler for mouse

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

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More Definitions for mouse

mouse

noun

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

Rhyming Dictionary: Words that rhyme with mouse

Thesaurus: All synonyms and antonyms for 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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