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 Those classics include solid-colored sweaters, a versatile leather jacket, and of course, flannel shirts. Eden Lichterman, PEOPLE.com, 15 Oct. 2021 While classic outerwear styles like a leather moto jacket or sleek overcoat will never go out of style, investing in a more statement-making coat this season will work overtime for your outfit. Christian Allaire, Vogue, 14 Oct. 2021 Tangible prizes, such as a logo jacket or blender, may motivate other employees. Bill Conerly, Forbes, 12 Oct. 2021 Inside headquarters, maintenance workers are minded by contractors whose uniform includes a green suit jacket. David Mccloskey, CNN, 11 Oct. 2021 Becca Frei, Coleman’s sister, had anticipated heavy snow at high evaluations and wore rain pants and a rain jacket. Aaron Falk, The Salt Lake Tribune, 10 Oct. 2021 The French luxury house announced their new ambassador on Wednesday, with a pic of Jung modeling a white oversized jacket with gold buttons and gold detailing on the collars and sleeves. Quinci Legardye, Harper's BAZAAR, 9 Oct. 2021 The Coyotes last weekend nixed the customary jacket-and-tie dress code for players when on the road. BostonGlobe.com, 9 Oct. 2021 My cellphone always rides in my jacket pocket, safe from any separation anxiety. Joe Michaud, San Diego Union-Tribune, 8 Oct. 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, 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, 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, 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, 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, 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, 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, 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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Dictionary Entries Near jacket



jacket potato

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Statistics for jacket

Last Updated

18 Oct 2021

Cite this Entry

“Jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jacket. Accessed 24 Oct. 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 : dust jacket
: 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

More from Merriam-Webster on jacket

Nglish: Translation of jacket for Spanish Speakers

Britannica English: Translation of jacket for Arabic Speakers


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