hot wire

/hɑt ˈwaɪər/
verb
  1. To start a vehicle's engine by bypassing the ignition system, often to steal it or in an emergency.
    • The mechanic showed me how to hot-wire an old tractor when the key was lost.
    • It is illegal to hot-wire a vehicle that does not belong to you.
    • In the movie, the hero had to hot-wire a car to escape the villains.
noun
  1. A wire that carries electric current, especially one that is live or dangerous.
    • The electrician identified the hot-wire with a voltage tester.
    • Be careful not to touch the hot-wire while fixing the lamp.
    • A hot-wire can cause a serious shock if you touch it.
What does "hot wire" mean? | whatsthatwordmean | whatsthatwordmean