: 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
The area still has four passenger screening lanes, but each one now comes equipped with a state-of-the-art 3D computed tomography (CT) explosive detection scanner.
—
Vinod Sreeharsha, Miami Herald, 26 Nov. 2025
As part of the investigation, law enforcement recovered an International Mobile Equipment Identity scanner and a bill counter from one of the defendant's homes, according to prosecutors.
—ABC News, 24 Nov. 2025
Thermal scanners that may have detected that loose connection were not used as part of routine maintenance on Dali's many wires and cables, the investigation found.
—Jt Moodee Lockman, CBS News, 18 Nov. 2025
Plus, a smart membership deal at Sam's Club and the top photo scanners to bring analog memories into the digital age.
—Christian Orozco, NBC news, 13 Nov. 2025
See All Example Sentences for scanner
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Vinod Sreeharsha, Miami Herald, 26 Nov. 2025
As part of the investigation, law enforcement recovered an International Mobile Equipment Identity scanner and a bill counter from one of the defendant's homes, according to prosecutors.
—ABC News, 24 Nov. 2025
Thermal scanners that may have detected that loose connection were not used as part of routine maintenance on Dali's many wires and cables, the investigation found.
—Jt Moodee Lockman, CBS News, 18 Nov. 2025
Plus, a smart membership deal at Sam's Club and the top photo scanners to bring analog memories into the digital age.
—Christian Orozco, NBC news, 13 Nov. 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 27 Nov. 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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