scanner

plural scanners

1. One who scans.First known use 16th c.

   It is, perhaps, too much to assume that an elderly Melville read James, but he was an eager scanner of magazines and did read fiction in his later years.

   1997, Douglas Robillard, Melville and the Visual Arts: Ionian Form, Venetian Tint, page 17

2. A device which scans documents in order to convert them to a digital medium.First known use 20th c.

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

3. A device which scans barcodes or QR codes for the purpose of charging a customer, performing a price check or enquiry, printing a price label or sticker, checking an item in or out of the store or warehouse, or finding an item ordered through click and collect and its corresponding location; a pricing gun or HHT.
4. A radio receiver which iterates through a sequence of frequencies to detect signal.
5. A device which uses radiation (ultrasound, X-ray, etc.) to generate images of tissue or surfaces for diagnostic purposes.

   Chorban: I'm using a small scanner to gather readings on the keepers. Chorban: So far, I've had mixed results. I find it difficult to get near the creatures.

   2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Citadel

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