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Etymology 1[edit]

See jump.


jumper ‎(plural jumpers)

  1. Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.
  2. A short length of electrical conductor, to make a temporary connection. Also jump wire.
  3. A removable connecting pin on an electronic circuit board.
  4. A person who attempts suicide by jumping from a great height.
  5. 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.
  6. (US) A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills.
    (Can we find and add a quotation of J. F. Cooper to this entry?)
  7. (arachnology, informal) A jumping spider
  8. The larva of the cheese fly.
  9. (historical, 18th century) One of certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.
  10. (horology) A spring to impel the star wheel, or a pawl to lock fast a wheel, in a repeating timepiece.
  11. A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation.
    • 1987 September 14, Gene Bylinskey, “Invasion of the service robots”, Fortune:
      In nuclear plants, robots toil for hours at a time in highly radioactive areas in place of hundreds of employees, called jumpers or glowboys, who worked in short relays so as to minimize their exposure.
Derived terms[edit]


jumper ‎(third-person singular simple present jumpers, present participle jumpering, simple past and past participle jumpered)

  1. To connect with an electrical jumper.

Etymology 2[edit]

From the term jump ‎(short coat) in sailors' jargon, probably from Scots English jupe ‎(man's loose jacket or tunic), from Old French, from Arabic جوبَّة; see also jibba.


jumper ‎(plural jumpers)

  1. (chiefly Britain, Australia) A woolen sweater or pullover.
  2. A loose outer jacket, especially one worn by workers and sailors.
  3. 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.
  4. (usually as jumpers) Rompers.



jumper m (plural jumpers)

  1. jumper (short length of electrical conductor)