jumpers

Noun

jumper (plural jumpers)

1. Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.
2. A person who attempts suicide by jumping from a great height.
   • Field: Be advised we have jumpers, K, jumpers.
     Dispatch: Alright, Division 1, be advised, Battalion 2 advised we have jumpers from the World Trade Center, K.2001 September 11, New York City Fire Department, 11:37 from the start, in Response Tape 1 Side A, 8:46-9:31, The New York Times, archived from the original on 25 Feb 2021
3. A short length of electrical conductor, to make a temporary connection.
   • .

   Synonyms:

   jump wire

4. An electrical connection between the vehicles of a train, usually a passenger train; a jumper cable.
   • For coupling between the cars of a three-car set 19 core jumpers are provided for control and auxiliary train cables, a positive bus line, and an auxiliary power jumper for heating circuits.1956 December, “New Electric Trains for Mersey Lines”, in Railway Magazine, page 852
5. A removable connecting pin on an electronic circuit board.
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.

See all 21 meanings of jumper