bōhanshisutemu
1. security system
Noun
#88799
1. security system
1. system
1. automatic lock
2. automatic door-locking system
1. security camera
1. prevention of crime
2. security (device, camera, etc.)
1. systems
1. geographic information system; GIS
1. filing system
1. It is not a system.; It’s not the system.
1. It wasn't a system.; It wasn't the system.