security system

WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

[an error occurred while processing this directive]

Noun security system has 2 senses

security system - (computing) a system that enforces boundaries between computer networks
--₁ is a kind of system
--₁ has particulars: firewall
security system, security measures, security - an electrical device that sets off an alarm when someone tries to break in
--₂ is a kind of electrical device