1
a
: 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
2
a(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
: to put a jacket on : enclose in or with a jacket
Synonyms
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
Angela Velasquez, Sourcing Journal, 5 Nov. 2024
Variations on that theme dominated the runway, with dense, glittering embroideries on evening columns, sculptural cocktail dresses, jumpsuits and cropped jackets, all teasing color cosmetics, a category that the brand has yet to introduce.
—Jennifer Weil, WWD, 5 Nov. 2024
Conçetta Ciarlo, Vogue, 24 Oct. 2024
For example, why should law-making in modern society be jacketed by the standards of pre-industrial 18th century America?
—Robert J. Spitzer, Time, 6 June 2023
See all Example Sentences for jacket 
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Noun
Hudson wears Old Navy’s High-Rise Rockstar jeans in Black Shine, long-sleeve velvet top and black faux-fur jacket in the festive campaign.
—Angela Velasquez, Sourcing Journal, 5 Nov. 2024
Variations on that theme dominated the runway, with dense, glittering embroideries on evening columns, sculptural cocktail dresses, jumpsuits and cropped jackets, all teasing color cosmetics, a category that the brand has yet to introduce.
—Jennifer Weil, WWD, 5 Nov. 2024
Verb
Model Jacquelyn Jablonski wore a vintage Ralph Lauren jacket her mother had thrifted.
—Conçetta Ciarlo, Vogue, 24 Oct. 2024
For example, why should law-making in modern society be jacketed by the standards of pre-industrial 18th century America?
—Robert J. Spitzer, Time, 6 June 2023
See all Example Sentences for jacket
Dictionary Entries Near jacket
Cite this Entry
“Jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jacket. Accessed 28 Nov. 2024.
Copy CitationMedical Definition
jacket
noun
jack·et
ˈjak-ət 
1
: a rigid covering that envelops the upper body and provides support, correction, or restraint
2
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