scan·​ner | \ ˈska-nər How to pronounce scanner (audio) \

Definition of scanner

: 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 The biplanar full-body imaging scanner is a room-size device that uses very low dose X-rays to make images of the entire body standing, with the ability to make two-dimensional and three-dimensional images. Dr. Keith Roach, oregonlive, 18 Apr. 2022 Galaxy Tab S8 Plus also has a larger battery than the Tab S8 (10,090mAh vs. 8,000mAh), and while the Plus and Ultra have fingerprint scanners in the display, the scanner is on the Side Key on the Tab S8. Jacob Siegal, BGR, 9 Feb. 2022 The S21 Ultra’s fingerprint scanner isn’t as accurate as Face Unlock was on the Pixel 4 (in my experience), sometimes this results in me repeatedly tapping to get a proper read at the barrier. Janhoi Mcgregor, Forbes, 9 Oct. 2021 Holding the second page of her ballot, Tolomeo waited for three hours until a replacement scanner was up and running around 9:45 a.m. Anna Kim,, 3 Nov. 2020 Markers – other than a fine-tip Sharpie – pencils or pens with other color ink are unacceptable because the scanner may not be able to read it. Alicia Moser, The Arizona Republic, 30 Oct. 2020 Say hi to the ticket scanner and the ski patroller. Hanna Kozlowska, Outside Online, 31 Mar. 2022 We were led in with a group of evacuees, where a Talib searched my bag, before letting me through to the scanner. New York Times, 10 Dec. 2021 The user would hold their finger to the scanner 6 or 7 times, and then eventually would be forced to input their PIN anyway. Jacob Siegal, BGR, 6 Nov. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scanner.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of scanner

1556, in the meaning defined above

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Time Traveler for scanner

Time Traveler

The first known use of scanner was in 1556

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Dictionary Entries Near scanner



scanning disk

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Statistics for scanner

Last Updated

18 May 2022

Cite this Entry

“Scanner.” Dictionary, Merriam-Webster, Accessed 23 May. 2022.

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More Definitions for scanner


scan·​ner | \ ˈska-nər How to pronounce scanner (audio) \

Kids Definition of scanner

: a device that converts a printed image (as text or a photograph) into a form a computer can display or alter


scan·​ner | \ ˈskan-ər How to pronounce scanner (audio) \

Medical Definition of scanner

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

More from Merriam-Webster on scanner

Nglish: Translation of scanner for Spanish Speakers


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