scanner

noun

1. 1

   A device which scans documents in order to convert them to a digital medium.

   “He put the picture in the scanner, then e-mailed a copy of it to his family.”

2. 2

   A radio receiver which iterates through a sequence of frequencies to detect signal.

3. 3

   A device which uses radiation (ultrasound, X-ray, etc.) to generate images of tissue or surfaces for diagnostic purposes.

4. 4

   A device which uses optics to detect printed data (such as a barcode).

5. 5

   One who scans.