: 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
Turn your phone into a scanner, document editor, and fax machine with this lifetime subscription to SwiftScan VIP for $41.99 (reg.
—
Stackcommerce Team (sponsored), PCMAG, 14 Feb. 2025
As technology advances, our cards are increasingly at risk for data theft by people using unauthorized scanners to steal information in passing.
—Merrell Readman, Travel + Leisure, 5 Feb. 2025
The other part of the research involves using a positron emission tomography (PET) scanner, a live imaging system to monitor living cell therapies.
—Dan Perry, Newsweek, 31 Jan. 2025
The drop-off stations process the bags using high-tech barcode scanners that instantly credit the deposits to a customer’s account.
—Stephen Underwood, Hartford Courant, 14 Jan. 2025
See all Example Sentences for scanner 
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Stackcommerce Team (sponsored), PCMAG, 14 Feb. 2025
As technology advances, our cards are increasingly at risk for data theft by people using unauthorized scanners to steal information in passing.
—Merrell Readman, Travel + Leisure, 5 Feb. 2025
The other part of the research involves using a positron emission tomography (PET) scanner, a live imaging system to monitor living cell therapies.
—Dan Perry, Newsweek, 31 Jan. 2025
The drop-off stations process the bags using high-tech barcode scanners that instantly credit the deposits to a customer’s account.
—Stephen Underwood, Hartford Courant, 14 Jan. 2025
See all Example Sentences for scanner
Dictionary Entries Near scanner
Cite this Entry
“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 20 Feb. 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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