Dictionary
sur•veil•lance
Pronunciation: (sur-vā'luns, -vāl'yuns), [key]—
n.
1. a watch kept over a person, group, etc., esp. over a suspect, prisoner, or the like:
The suspects were under police surveillance.
2. supervision or superintendence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.