from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Surveillance of an area, building, or person, especially by the police.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The act of watching a location, generally covertly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. surveillance of some place or some person by the police (as in anticipation of a crime)
Sorry, no etymologies found.