Definition of "Scan" :
noun: the act of scanning; systematic examination of a prescribed region
"He made a thorough scan of the beach with his binoculars."
noun: an image produced by scanning
"He analyzed the brain scan."
verb: obtain data from magnetic tapes or other digital sources
verb: read metrically
verb: make a wide, sweeping search of
"The beams scanned the night sky."
verb: move a light beam over; in electronics, to reproduce an image
verb: examine hastily
"She scanned the newspaper headlines while waiting for the taxi."
verb: examine minutely or intensely
"The surgeon scanned the X-ray."
verb: conform to a metrical pattern