'scanner' definitions:

Definition of 'scanner'

(from WordNet)
noun
Someone who scans verse to determine the number and prosodic value of the syllables
noun
An electronic device that generates a digital representation of an image for data input to a computer [syn: scanner, digital scanner, image scanner]
noun
A radar dish that rotates or oscillates in order to scan a broad area
noun
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" [syn: scanner, electronic scanner]