scanner Meaning, Definition & Usage

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

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