scannerscan·ner /ˈskænə-ər/ noun [countableC]COMMERCE1a machine that passes an electronic BEAM over something in order to read information on it or produce a picture of what is insideCustomers simply have to wave the product’s bar code under a scanner.
credit-card scanners
2a piece of computer equipment that copies words or images from paper onto the computerThe store sells color printers and scanners for desk-top publishing.
→ price scanner