scan

To look at carefully or thoroughly, especially in search of something; examine.

To look over quickly or read hastily.

To search (stored data) automatically for specific data.

To direct a finely focused beam of light or electrons in a systematic pattern over (a surface) in order to reproduce or sense and subsequently transmit an image.

To direct a radar beam in a systematic pattern across (a sector of sky) in search of a target.

To encode (text, for example) in digital format by means of an optical scanner.

To direct x-rays or other energy at (a body or body part) in order to produce an image, as with a CT scanner.