: 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 ct scanner
Examples of scanner in a Sentence
a price scanner at a supermarket
Recent Examples on the Web
Seven people were taken into custody by court officers, who also recovered two sharp objects, which somehow bypassed the courthouse’s security measures, which includes a metal detector and X-ray scanner.
—
Elizabeth Keogh, New York Daily News, 28 Jan. 2025
The tunnels were discovered by experts from the Polytechnic University of Milan, who used ground-penetrating radar and laser scanners to map the 15th-century stronghold’s subterranean structures.
—Sonja Anderson, Smithsonian Magazine, 24 Jan. 2025
As for the corporate world, many companies housed in commercial office space rely on photo ID badges to verify whether or not someone should be let into a building, with some in high-risk industries leveraging fingerprint and face scanners.
—Ram Nikhil Dodda, Forbes, 16 Jan. 2025
In a bid to reduce injury rates, providing the best medical facilities, including practitioners and scanners for the men’s and women’s teams, is a particular focus, according to an INEOS spokesperson.
—Charlotte Harpur, The Athletic, 13 Jan. 2025
See all Example Sentences for scanner 
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Elizabeth Keogh, New York Daily News, 28 Jan. 2025
The tunnels were discovered by experts from the Polytechnic University of Milan, who used ground-penetrating radar and laser scanners to map the 15th-century stronghold’s subterranean structures.
—Sonja Anderson, Smithsonian Magazine, 24 Jan. 2025
As for the corporate world, many companies housed in commercial office space rely on photo ID badges to verify whether or not someone should be let into a building, with some in high-risk industries leveraging fingerprint and face scanners.
—Ram Nikhil Dodda, Forbes, 16 Jan. 2025
In a bid to reduce injury rates, providing the best medical facilities, including practitioners and scanners for the men’s and women’s teams, is a particular focus, according to an INEOS spokesperson.
—Charlotte Harpur, The Athletic, 13 Jan. 2025
See all Example Sentences for scanner
Dictionary Entries Near scanner
Cite this Entry
“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 11 Feb. 2025.
Copy CitationKids 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
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