safety device

safety device

A device which prevents unintentional functioning.

Thesaurus

Noun

1.

safety device - a device designed to prevent injury or accidentsguard, safetydevice - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"fender - a low metal guard to confine falling coals to a hearthsafety catch, safety lock - guard consisting of a locking device that prevents a weapon from being fired