Talk:Watchtower/@comment-16533050-20140619043715

This has been addressed at least twice, and Essie has been correct every time.

"Watchtowers are stationary, and swivel in order to surveil an area using a large spotlight."

Surveil is the correct term.

Surveil - to subject and/or keep a person, place, or object under surveillance.

I know this has been discussed previously in the comments, but I'm just reiterating it here.