from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To keep under surveillance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To keep someone or something under surveillance.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. keep under surveillance
Back-formation from surveillance.(American Heritage® Dictionary of the English Language, Fourth Edition)
Back-formation from surveillance. More at survey. (Wiktionary)