"scanners" in the noun sense
1. scanner
someone who scans verse to determine the number and prosodic value of the syllables
2. scanner, digital scanner, image scanner
an electronic device that generates a digital representation of an image for data input to a computer
3. scanner
a radar dish that rotates or oscillates in order to scan a broad area
4. scanner, electronic scanner
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"
Source: WordNet® (An amazing lexical database of English)
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