Each of a pair of thick electric cables fitted with clips at either end, used for recharging a battery in a motor vehicle by connecting it to the battery in another.
〈英〉（汽车蓄电池充电用的）跨接电缆线
North American term jumper cable
Example sentencesExamples
It is also recommended to carry a jack, jump leads, spare fuses and a torch.
And my car is usually on the receiving end of the jump leads, so I'm not sure it would be any use.
No problem I thought, as I grabbed the jump leads and opened the bonnets of both cars.
I got into the habit of starting it up with jump leads every time I needed it.
However, the engine roared into life with suitable application of jump leads to the empty space once occupied by a battery.
Definition of jump lead in US English:
jump lead
nounˈjəmp ˌlēd
British
Each of a pair of thick electric cables fitted with clips at either end, used for starting a vehicle by connecting its dead battery to the battery of another vehicle; a jumper cable.
〈英〉（汽车蓄电池充电用的）跨接电缆线
Example sentencesExamples
No problem I thought, as I grabbed the jump leads and opened the bonnets of both cars.
And my car is usually on the receiving end of the jump leads, so I'm not sure it would be any use.
I got into the habit of starting it up with jump leads every time I needed it.
However, the engine roared into life with suitable application of jump leads to the empty space once occupied by a battery.
It is also recommended to carry a jack, jump leads, spare fuses and a torch.