noun
a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
• Topics:
↑factory, ↑mill, ↑manufacturing plant, ↑manufactory, ↑dramaturgy, ↑dramatic art, ↑dramatics, ↑theater, ↑theatre
• Hypernyms: ↑television, ↑television system
• Hyponyms: ↑surveillance system
* * *
a television system that works within a limited area, for example a public building, to protect it from crime
Useful english dictionary. 2012.