jumpercable (pluraljumper cables)

1. (oftenpluralized) A pair ofinsulatedelectricalwires withalligator clips at each end(typically used tojump-start a car with a dead (flat)battery).

   Synonyms:booster cable,starter cable,(UK)jump lead

   He kept ajumper cable in an emergency box in the car, as he had once been caught with a dead battery.

2. (rail transport,road transport) An electrical cable providing a connection between rail or road vehicles.
   • 1962 March, Brian Haresnape, “Design in 1961—a Retrospect”, inModern Railways, page195:

     Complete absence of multiple-unitjumper cables (this class is not fitted for working in multiple) lends a neatness to this area not usually possible on British diesels.

3. (Philippines) Ajump wire.(Can weverify⁽⁺⁾ this sense?)

• booster
• battery booster