scanner

noun

scan·​ner ˈska-nər How to pronounce scanner (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The South Side Street Fest added additional metal detectors and ID scanners, plus a dedicated line for locals, to help people get in faster after long lines were reported for the event's first outing last weekend. Ricky Sayer, CBS News, 26 June 2026 And this month, Aetrex partnered with the IMG Academy, the world’s leading sports eduction brand, to install five Albert Pro foot scanners across the IMG campus in Bradenton, Fla. Vicki M. Young, Footwear News, 26 June 2026 The scans are made by synchrotron scanners, which are massive particle accelerators that can beam high-power x-rays at the object, revealing its inner layers down to the atomic level. Claire Cameron, Scientific American, 26 June 2026 The scanner is nothing like current imaging technology. New Atlas, 26 June 2026 See All Example Sentences for scanner

Word History

First Known Use

1556, in the meaning defined above

Time Traveler
The first known use of scanner was in 1556

Browse Nearby Words

Cite this Entry

“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 1 Jul. 2026.

Kids Definition

scanner

noun
scan·​ner ˈskan-ər How to pronounce scanner (audio)
: 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 How to pronounce scanner (audio)
: a device (as a CT scanner) for making scans of a living body

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