: 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
Imagine a healthcare installation that has a deep data requirement to serve an MRI scanner or some other highly complex piece of equipment.
—
Adrian Bridgwater, Forbes, 26 Feb. 2025
Setup is easy thanks to the Deco App and intelligent security features like a home network scanner and parental controls safeguard you and your family from online dangers.
—Jade Chung-Lee, PCMAG, 26 Feb. 2025
McDonald entered Silver Cross Hospital’s emergency room July 20, knocked over a plastic shield barrier and then threw a computer monitor and scanner at an employee before kicking a security guard in the leg and taking a hand sanitizer dispenser from the wall and throwing it, police said.
—Dennis Sullivan, Chicago Tribune, 26 Feb. 2025
In one of their studies, five people, while lying in a brain scanner, watched 30 minutes of The Good, the Bad and the Ugly (1966), a spaghetti western starring Clint Eastwood.
—Quanta Magazine, 21 Feb. 2025
See All Example Sentences for scanner
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Adrian Bridgwater, Forbes, 26 Feb. 2025
Setup is easy thanks to the Deco App and intelligent security features like a home network scanner and parental controls safeguard you and your family from online dangers.
—Jade Chung-Lee, PCMAG, 26 Feb. 2025
McDonald entered Silver Cross Hospital’s emergency room July 20, knocked over a plastic shield barrier and then threw a computer monitor and scanner at an employee before kicking a security guard in the leg and taking a hand sanitizer dispenser from the wall and throwing it, police said.
—Dennis Sullivan, Chicago Tribune, 26 Feb. 2025
In one of their studies, five people, while lying in a brain scanner, watched 30 minutes of The Good, the Bad and the Ugly (1966), a spaghetti western starring Clint Eastwood.
—Quanta Magazine, 21 Feb. 2025
See All Example Sentences for scanner
Cite this Entry
“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 9 Mar. 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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