Meaning of “surveillance” in the English Dictionary

british dictionary

(Definition of “surveillance” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"surveillance" in American English

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surveillancenoun [ U ]

us /sərˈveɪ·ləns/

the act of watching a person or a place, esp. a person believed to be involved with criminal activity or a place where criminals gather:

The parking lot is kept under video surveillance.

(Definition of “surveillance” from the Cambridge Academic Content Dictionary © Cambridge University Press)