an article of protective clothing that is designed to keep the wearer's head floating above the surface of the water.

A short leather jacket, with an elasticated waist and cuffs, a fleece collar and a zip front.

A short coat or jacket. / A short bullet jacket which leaves some of the bullet in contact with the bore.

(especially US) A jacket, often white, corresponding to a tuxedo jacket. / (Britain) The formal suit, typically black, that includes this type of jacket.

(Tyneside) The grub of the mayfly and similar insects.

A jacket with an elasticated waist and a zipper up the front, worn by athletes while training; worn by others as a fashion accessory, usually carrying a team logo.

A type of jacket made from denim, popular material that is used for jeans. Typically it has long sleeves and ends at the waist.

plural of dinner jacket

A tailored jacket that is not part of a suit; especially one of a sturdy fabric originally designed for outdoor sports.

A special piece of clothing worn by soldiers to protect them from shrapnel and grenade fragments, other non-direct fire and battlefield debris. Sometimes used informally to connote any of the various forms of a bullet-proof vest.