1.Definition: a radar dish that rotates or oscillates in order to scan a broad area

Category: Objects

2.Definition: 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"

Category: Objects

3.Definition: an electronic device that generates a digital representation of an image for data input to a computer

Category: Objects

4.Definition: someone who scans verse to determine the number and prosodic value of the syllables

Category: People