1.To mount by steps; to go through with step by step. (Obs.) "Nor stayed till she the highest stage had scand."
2.Specifically (Pros.), to go through with, as a verse, marking and distinguishing the feet of which it is composed; to show, in reading, the metrical structure of; to recite metrically.
3.To go over and examine point by point; to examine with care; to look closely at or into; to scrutinize. "The actions of men in high stations are all conspicuous, and liable to be scanned and sifted."
4.To examine quickly, from point to point, in search of something specific; as, to scan an article for mention of a particular person.
5.(Electronics) To form an image or an electronic representation of, by passing a beam of light or electrons over, and detecting and recording the reflected or transmitted signal.
...
