jumper

Short definition from Wiktionary

Noun

1. 1
   Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.
2. 2
   A person who attempts suicide by jumping from a great height.
3. 3
   A short length of electrical conductor, to make a temporary connection. Also jump wire.
4. 4
   An electrical connection between the vehicles of a train, usually a passenger train; a jumper cable.
5. 5
   A removable connecting pin on an electronic circuit board.
6. 6
   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.
7. 7
   A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills.
8. 8
   A jumping spider.
9. 9
   The larva of the cheese fly.
10. 10
    One of certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.
11. 11
    A spring to impel the starwheel, or a pawl to lock fast a wheel, in a repeating timepiece.
12. 12
    A shot in which the player releases the ball at the highest point of a jump; a jump shot.
13. 13
    A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation.
14. 14
    A platform game based around jumping.
15. 15
    Ellipsis of smokejumper.
16. 16
    A woollen sweater or pullover.
17. 17
    A loose outer jacket, especially one worn by workers and sailors.
18. 18
    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.
19. 19
    Rompers.
20. 20
    The shirt worn by the players; a guernsey.

Verb

1. 1
   To connect with an electrical jumper.

Proper noun

1. 1
   A surname.