kill switch

[ kil swich ]
/ ˈkɪl ˌswɪtʃ /

noun

a button, switch, or other mechanism that allows a machine to be shut down immediately:Only use the kill switch in emergencies.
Digital Technology. a command deployed to remotely lock, disable, or wipe an electronic device, as when the device is lost or stolen.

Origin of kill switch

First recorded in 1950–60

Words nearby kill switch

kilkenny cats, kill, kill off, kill or cure, kill shot, kill switch, kill the fatted calf, kill the goose that lays the golden eggs, kill time, kill two birds with one stone, kill with kindness