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Noun: jumper lead
Usage: N. Amer (elsewhere: jump lead)
  1. A heavy electrical cable used to transfer power from one vehicle battery to another
    "He a jumper lead to jump-start the dead battery";
    - jumper cable [N. Amer], lead, booster cable [N. Amer], jump lead [Brit]

Derived forms: jumper leads

Type of: conducting wire, jumper, wire