barcodescanner
nounUK /ˈbɑːkəʊd ˌskænə/
US /ˈbɑːrkoʊd ˌskænər/
A machine that reads the little black-and-white lines on things and tells a computer what they are.
The cashier used a barcode scanner to check the price of the cereal.
RELATED WORDS
OTHER MEANINGS
2. A handheld device used in shops to read product labels quickly.
She pointed the barcode scanner at the milk carton.
3. Software on a phone that reads barcodes using the camera.
The app turns your phone into a barcode scanner.
4. A tool used in warehouses to track boxes and packages.
Workers use a barcode scanner to log each parcel.