scanner

noun

scan·​ner ˈska-nər 

: one that scans: such as

a

: a device for sensing recorded data (as in a bar code)

a supermarket scanner

b

: a radio receiver that sequentially scans a range of frequencies for a signal

c

: a device that scans an image (such as a photograph) or document (such as a page of text) especially for use or storage on a computer

d

: a medical device for scanning a living body to collect diagnostic information see also ct scanner

Examples of scanner in a Sentence

a price scanner at a supermarket

Recent Examples on the Web

Trucking companies use eyeball trackers, high-sensitivity recording equipment, and brain-wave scanners to find signs of driver distress or fatigue. —Ellen Cushing, The Atlantic, 3 May 2026

Those did not utilize gate scanners. —Michael Deeds may 1, Idaho Statesman, 1 May 2026

Among the items seized during the search were all ballots, tabulator tapes from the scanners that tally the votes, electronic ballot images created when the ballots were counted and then recounted, and all voter rolls from the 2020 election. —Dan Raby, CBS News, 30 Apr. 2026

This machine uses eight cameras and OCT scanners to navigate brain tissue in real time. —Mrigakshi Dixit, Interesting Engineering, 30 Apr. 2026

Word History

First Known Use

1556, in the meaning defined above

Phrases Containing scanner

• CAT scanner
• CT scanner

Rhymes for scanner

• banner
• branner
• canner
• fanner
• kanner
• manner
• manor
• planner
• spanner
• tanner

Kids Definition

scanner

noun

scan·​ner ˈskan-ər 

: one that scans: as

a

: a device that senses recorded information

b

: a radio receiver that scans a range of frequencies for a signal

c

: a device that scans an image or document especially for use or storage on a computer

d

: a device for scanning a living body to collect medical information

Medical Definition

scanner

noun

scan·​ner ˈskan-ər 

: a device (as a CT scanner) for making scans of a living body