What is the meaning of Jumper?

Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.

A person who attempts suicide by jumping from a great height.

A short length of electrical conductor, to make a temporary connection. Also jump wire.

A removable connecting pin on an electronic circuit board.

A long drilling tool used by masons and quarry workers, consisting of an iron bar with a chisel-edged steel tip at one or both ends, operated by striking it against the rock, turning it slightly with each blow.

A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills.

A jumping spider.

The larva of the cheese fly.

One of certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.

A spring to impel the starwheel, or a pawl to lock fast a wheel, in a repeating timepiece.

A shot in which the player releases the ball at the highest point of a jump; a jump shot.

A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation.

A platform game based around jumping.

To connect with an electrical jumper.

A woollen sweater or pullover.

A loose outer jacket, especially one worn by workers and sailors.

A one-piece, sleeveless dress, or a skirt with straps and a complete or partial bodice, usually worn over a blouse by women and children; pinafore.

Rompers.

The shirt worn by the players; a guernsey.

jumper (short length of electrical conductor)

a jumper, a sweater, a pullover

Source: wiktionary.org