jump lead
noun /ˈdʒʌmp liːd/
/ˈdʒʌmp liːd/
(British English) (North American English jumper cable)
[usually plural]- one of two cables that are used to start a car when it has no power in its battery. The jump leads connect the battery to the battery of another car.
- The battery's flat—have you got any jump leads?