scanner vs scan

scanner and scan both are nouns.

Word	Noun	Adjective	Verb	Adverb
scanner	Yes	No	No	No
scan	Yes	No	Yes	No

scanner (noun)	scan (noun)
a radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition	the act of scanning; systematic examination of a prescribed region
a radar dish that rotates or oscillates in order to scan a broad area	an image produced by scanning
an electronic device that generates a digital representation of an image for data input to a computer
someone who scans verse to determine the number and prosodic value of the syllables

scanner (verb)	scan (verb)
	obtain data from magnetic tapes or other digital sources
	read metrically
	make a wide, sweeping search of
	move a light beam over; in electronics, to reproduce an image
	examine hastily
	examine minutely or intensely
	conform to a metrical pattern