WordWeb Online

1. An electronic device that generates a digital representation of an image for data input to a computer
   - digital scanner, image scanner
    
2. Someone who scans verse to determine the number and prosodic value of the syllables
    
3. A radar dish that rotates or oscillates in order to scan a broad area
    
4. A radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition
   "they used scanners to monitor police radio channels";
   - electronic scanner

Derived forms: scanners

Type of: data input device, detector, dish, dish aerial, dish antenna, electronic device, input device, reader, referee, reviewer, saucer

Encyclopedia: Scanner