1. a device that reads or copies images, text, or codes electronically
2. a radio receiver that automatically searches for and monitors different frequencies
3. a medical device that creates images of the inside of the body
Usage: medical

Examples

• She used a scanner to copy the old photographs.
• The document scanner converted the paper into a digital file.
• Police officers use scanners to monitor emergency radio frequencies.
• The barcode scanner quickly read the product information.
• The CT scanner revealed no abnormalities in the patient’s brain.
• He bought a flatbed scanner for his home office.
• The airport security scanner detected metal objects in luggage.