surveillance Hear it!

surveillance definition

sur·veil·lance (sər vā′ləns; occas., -vāl′yəns)

noun

    1. close watch kept over someone, esp. a suspect
    2. constant observation of a place or process
  2. supervision or inspection

Etymology: Fr < surveiller, to watch over < sur- (see sur-) + veiller < L vigilare, to watch, wake

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