The Open Dictionary

jump leads

noun

UK/ˈdʒʌmp ˌliːdz/
US/ˈdʒʌmp ˌliːdz/

Definitions of jump leads noun

  1. Plural

    A set of heavy-duty cables used to connect the battery of one vehicle to the battery of another, in order to start the engine of the vehicle with the flat battery.

    • I always keep jump leads in the boot of my car, just in case.

    • We need jump leads to get his car started.

    • She had to ask a passing driver for help to jump-start her car using jump leads.