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

Derived forms: jump leads

Type of: conducting wire, jumper, wire