a short coat, in any of various forms, usually opening down the front.
something designed to be placed around the upper part of the body for a specific purpose other than use as clothing: a life jacket.
a protective outer covering.
the skin of a potato, especially when it has been cooked.
the cover of a paperbound book, usually bearing an illustration.
a paper or cardboard envelope for protecting a phonograph record.
a metal casing, as the steel covering of a cannon, the steel cover around the core of a bullet, or the water jacket on certain types of machine guns.
a folded paper or open envelope containing an official document.
to put a jacket on (someone or something).
- jack·et·ed, adjective
- jack·et·less, adjective
- jack·et·like, adjective
- un·der·jack·et, noun
- un·jack·et·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use jacket in a sentence
Fill its 18 liters of ripstop nylon with snacks and layers for a day hike, a camera and a jacket for running around town, or a bunch of groceries.
For its winter collection, Infantium Victoria is introducing the Weganool in a hoodie, a baby jacket and a cape.How a Wasteland Shrub Is Becoming the Next Big Thing in Fashion | Daniel Malloy | August 28, 2020 | Ozy
That was the Before Times, of course, when a sharp-shouldered jacket and fitted trousers were daily workwear.
He told me how he’d walk around his “bad neighborhood” in Redwood City with a loaded pistol in his jacket pocket.
Then, as the melancholy music picks up, we see young adults slipping on their jackets and leaving their homes.
Otis says he was wearing a tan jacket similar to one described by witnesses.His First Day Out Of Jail After 40 Years: Adjusting To Life Outside | Justin Rohrlich | January 3, 2015 | THE DAILY BEAST
Basosila Botala is wearing a blue rain jacket despite the sweltering heat.
I settle for a sweater and jacket and throw a tie in my briefcase just in case it turns out to be the prom.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days | David Freeman | December 13, 2014 | THE DAILY BEAST
Micah is 10 years old and he had a coat geared to the season, a Patagonia winter jacket with a hood.The Wildly Peaceful, Human, Almost Boring, Ultimately Great New York City Protests for Eric Garner | Mike Barnicle | December 8, 2014 | THE DAILY BEAST
Alice wore a black nylon rain jacket that looked as if it was ill prepared to deal with the coming chill.The Wildly Peaceful, Human, Almost Boring, Ultimately Great New York City Protests for Eric Garner | Mike Barnicle | December 8, 2014 | THE DAILY BEAST
During this conversation Harry's right hand was resting beneath his jacket, grasping the butt of his revolver.The Courier of the Ozarks | Byron A. Dunn
He was so zealous a partisan of democracy, and of Cromwell, that the authorities frequently placed him in a straight jacket.The Every Day Book of History and Chronology | Joel Munsell
The farmer told him it was six miles; "but," he added, "you must ride sharp, or you will get a wet jacket before you reach it."The Book of Anecdotes and Budget of Fun; | Various
“Monsieur,” said the Comte de Lussigny with dignity, stuffing his winnings into his jacket pocket.The Joyous Adventures of Aristide Pujol | William J. Locke
Her mother, wearing an ink-stained jacket, was busy at her desk, the pen scratching on the big sheets of pad paper.The Girls of Central High on the Stage | Gertrude W. Morrison
British Dictionary definitions for jacket
a short coat, esp one that is hip-length and has a front opening and sleeves
something that resembles this or is designed to be worn around the upper part of the body: a life jacket
any exterior covering or casing, such as the insulating cover of a boiler
the part of the cylinder block of an internal-combustion engine that encloses the coolant
See dust jacket
the skin of a baked potato
(as modifier): jacket potatoes
a metal casing used in certain types of ammunition
US a cover to protect a gramophone record: Brit name: sleeve
mainly US a folder or envelope to hold documents
(tr) to put a jacket on (someone or something)
- jacketed, adjective
- jacket-like, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012