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 machines print a paper ballot with a QR code, a type of barcode, that scanners use to tally votes. CBS News, 19 Mar. 2026 Often associated with party balloons, helium is indispensable to magnetic resonance imaging (MRI) scanners, aerospace and the manufacture of microchips for artificial intelligence. Deni Ellis Béchard, Scientific American, 18 Mar. 2026 The scanner is made by Launch and is based on the Android Operating System. Hartford Courant, 13 Mar. 2026 Yet people still forget, causing congestion at the scanners. Kayla Kitts, Travel + Leisure, 13 Mar. 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 25 Mar. 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

More from Merriam-Webster on scanner

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