safety lock

Thesaurus

Noun	1.	safety lock - guard consisting of a locking device that prevents a weapon from being firedsafety catchsafety device, guard, safety - a device designed to prevent injury or accidentsgun - a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
	2.	safety lock - a bolt that cannot be moved from outside the door or gatesafety boltdeadbolt, bolt - the part of a lock that is engaged or withdrawn with a key

Translations

antifurtoblocco di sicurezza