surveillant


sur·veil·lant

S0920700 (sər-vā′lənt)adj. Exercising surveillance.n. One that exercises surveillance.
[French, present participle of surveiller, to watch over : sur-, over (from Old French; see sur-) + veiller, to watch (from Old French veillier, from Latin vigilāre, from vigil, watchful; see weg- in Indo-European roots).]

sur•veil•lant

(sərˈveɪ lənt, -ˈveɪl yənt)

adj. 1. exercising surveillance. n. 2. a person who exercises surveillance. [1810–20]