jack·​et | \ ˈja-kət How to pronounce jacket (audio) \

Definition of jacket

 (Entry 1 of 2)

1a : a garment for the upper body usually having a front opening, collar, lapels, sleeves, and pockets
b : something worn or fastened around the body but not for use as clothing
2a(1) : the natural covering of an animal
(2) : the fur or wool of a mammal
b : the skin of a potato
3 : an outer covering or casing: such as
a(1) : a thermally nonconducting cover
(2) : a covering that encloses an intermediate space through which a temperature-controlling fluid circulates
(3) : a tough cold-worked metal casing that forms the outer shell of a built-up bullet
b(1) : a wrapper or open envelope for a document
(2) : an envelope for enclosing registered mail during delivery from one post office to another
c(1) : a detachable protective cover for a book
(2) : a paper or cardboard envelope for a phonograph record


jacketed; jacketing; jackets

Definition of jacket (Entry 2 of 2)

transitive verb

: to put a jacket on : enclose in or with a jacket

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Other Words from jacket


jacketless \ ˈja-​kət-​ləs How to pronounce jacket (audio) \ adjective

Examples of jacket in a Sentence

Noun a suit with a double-breasted jacket slip the art book into its jacket so it won't get dirty
Recent Examples on the Web: Noun Keep it casual by pairing it with a jean jacket and sneaks, or dress it up with some heels and a mini bag for a night out. Kara Cuzzone, Forbes, "Behold, The 7 Best Things To Buy At Madewell’s Spring Sale," 6 Apr. 2021 He was last seen wearing a black shirt with a gray jacket and pants, along with a silver necklace featuring a gold Star of David. Liz Hardaway, San Antonio Express-News, "Authorities, family searching for missing 84-year-old man last seen in downtown San Antonio," 1 Apr. 2021 Canadian actress Jordan Alexander’s character, Julien Calloway, makes a private school varsity jacket and uniform look undeniably cool with a trendy collection of Balenciaga sneakers, croc boots, and a novelty JW Anderson handbag. Alexis Bennett, Vogue, "The New Gossip Girl Outfits Are XOXO Good," 1 Apr. 2021 Style it with a classic moto jacket and a maxi dress in another fun clashing print. Lauren Caruso, CNN Underscored, "18 purses under $100 that fashion insiders are obsessed with," 31 Mar. 2021 In Siberia, Putin wore a quaint sheepskin jacket and pants, matching with Defense Minister Sergei Shoigu. Washington Post, "Russia’s Putin pumps up the swagger in swipes at Biden," 28 Mar. 2021 In Siberia, Putin wore a quaint sheepskin jacket and pants, matching with Defense Minister Sergei Shoigu. BostonGlobe.com, "Russia’s Putin pumps up the swagger in swipes at Biden," 28 Mar. 2021 Brash and supremely confident and a distinctive figure on the sidelines, usually wearing a sports jacket and tie and sporting a bushy mustache, Schnellenberger was eager to defy the odds. New York Times, "Howard Schnellenberger, College Coach Who Built Winners, Dies at 87," 27 Mar. 2021 Crum was described as standing 6 feet tall with a medium build and short gray hair, possibly wearing glasses, a red jacket and brown pants. oregonlive, "Manhunt underway in Lane County after ‘possible’ homicide, officials say," 23 Mar. 2021 Recent Examples on the Web: Verb Any large bones needed to be jacketed, which involves digging a trough around the finding and wrapping the entire fossil in long strips of wet plaster. Jennifer Billock, Smithsonian, "Want to Dig For Dinosaur Bones? Join the Pros at These Spots," 25 Sep. 2019 The video, which premiered with the single, features Cabello as a diner waitress and Mendes as a leather jacketed James Dean-type. Madeline Holcombe, CNN, "Camila Cabello and Shawn Mendes come together for a new single and music video 'Señorita'," 21 June 2019 Townes told reporters that Porter Moser, the checker-jacketed, square-jawed coach of the Ramblers, asked his players to keep their heads held high in his postgame speech. Jeff Greer, The Courier-Journal, "When the tears dried, Loyola realized its place in college basketball lore," 31 Mar. 2018 Restaurant kitchens offered him the chance to work with ingredients and equipment that weren’t available to him at home, like black truffles or a steam jacketed kettle. Nancy Miller, The Courier-Journal, "Simple and good flavors are trending in the Mesh kitchen. Try your hand at these recipes!," 19 Dec. 2017 The company is straight-jacketed by the government’s insistence on a financial return from the network, even though as a wholesaler NBN Co. can’t sell directly to the public and set the final price of a connection. Angus Whitley, Bloomberg.com, "Australia Has Slower Internet Than Kenya, Russia and Hungary," 4 Oct. 2017 These outspoken pals, known collectively as The Chauvinists, include a retired Army colonel, a French philosophy student, a leather-jacketed rowdy named Fast Eddie and an elderly fisherman. Christopher Arnott, courant.com, "One-Man Comedy Show 'Male Intellect' Appeals To Specific Audience," 25 Sep. 2017 The scuba-like little white dress was complete with a moto collar reminiscent of the biker jackets worn by stylish women all over the French capital. Edward Barsamian, Vogue, "Melania Trump and Brigitte Macron Have Entirely Opposite Takes on French Style in Paris," 13 July 2017

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


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


1856, in the meaning defined above

History and Etymology for jacket


Middle English jaket, from Anglo-French jackés, plural, diminutive of Middle French jaque short jacket, from jacques peasant, from the name Jacques James

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Time Traveler for jacket

Time Traveler

The first known use of jacket was in the 15th century

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Statistics for jacket

Last Updated

9 Apr 2021

Cite this Entry

“Jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jacket. Accessed 12 Apr. 2021.

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More Definitions for jacket



English Language Learners Definition of jacket

: a piece of clothing that is worn on your upper body over another piece of clothing (such as a shirt) : a usually short and light coat
: a paper cover that protects a book and that can be removed
chiefly US : a paper, cardboard, or plastic envelope for holding a record, CD, or DVD


jack·​et | \ ˈja-kət How to pronounce jacket (audio) \

Kids Definition of jacket

1 : a short coat
2 : an outer cover or casing a book jacket


jack·​et | \ ˈjak-ət How to pronounce jacket (audio) \

Medical Definition of jacket

1 : a rigid covering that envelops the upper body and provides support, correction, or restraint

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Legal Definition of jacket

: a standard insurance policy to which other coverage or exclusions may be attached

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Comments on jacket

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