Definitions of scanner:
- noun: a radio receiver that that moves automatically across some selected range of frequencies looking for for some signal or condition
Example: "They used scanners to monitor police radio channels"
- noun: a radar dish that rotates or oscillates in order to scan a broad area
- noun: an electronic device that generates a digital representation of an image for data input to a computer
- noun: someone who scans verse to determine the number and prosodic value of the syllables
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