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 jacketless (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 Chanel might be known for its Parisienne chic, though Lily-Rose Depp brought a little All-American charm to Virginie Viard’s front row in her sherbet tone bouclé jacket, floral tube top, and matching denim. Janelle Okwodu, Vogue, "This Week, the Best-Dressed Stars Went Green and Glamorous," 12 Oct. 2020 Candiace yelled as Wendy, 36, and a producer attempted to fix Candiace's wig and put her jacket on. Robyn Merrett, PEOPLE.com, "Monique Samuels Says She 'Blacked Out' During Candiace Dillard Attack on RHOP: 'I'll Kill Her'," 28 Sep. 2020 But Tonioli and his brilliant pink jacket were in rare form Tuesday night. Bryan Alexander, USA TODAY, "'Dancing With the Stars' drama hits stride; Carole Baskin cries for inner pain, Kaitlyn Bristowe suffers," 23 Sep. 2020 Vitolo wore a blue v-neck sweater, dark blue jeans, black leather shoes, and a dark grey jacket (and a mask, of course), while Holmes returned to her forte: chic knitwear. Emily Dixon, Marie Claire, "Katie Holmes and Emilio Vitolo Held Hands for a Stroll in New York City," 22 Sep. 2020 While hopping off a plane in the battleground state, a video was captured of her descending the stairs while dressed in a white T-shirt, an army green jacket, jeans, and a pair of Timberland boots. Eliza Huber, refinery29.com, "Kamala Harris’ Timberlands-Pearls Combo Has Our Vote," 16 Sep. 2020 But you are encouraged to bring your own personal flotation life-jacket device. Brandon Moeller, Houston Chronicle, "Aug. 19-30: Northwest Houston events include opportunities to support local food pantries," 19 Aug. 2020 Elsa Hosk jacket and lace-up lug sole boots, perfectly melding feminine and tough elements. Kerry Pieri, Harper's BAZAAR, "The Black Leather Blazer is Shaping Up to Be Fall's Key Piece," 15 Sep. 2020 To introduce the new season, Banks wore a red ballgown and matching long gloves before changing into her second look of the night: a matching pantsuit, which included a pink jacket, red pants and a bold statement necklace and earrings. Natalie Stone, PEOPLE.com, "Tyra Banks Suffers Minor Wardrobe Malfunction as She Makes Her DWTS Hosting Debut on Premiere," 14 Sep. 2020 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

17 Oct 2020

Cite this Entry

“Jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jacket. Accessed 19 Oct. 2020.

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More Definitions for jacket


How to pronounce jacket (audio)

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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