scanner

noun scan·ner \ ˈska-nər \

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

  1. a price scanner at a supermarket

Recent Examples of scanner from the Web

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


SCANNER Defined for English Language Learners

scanner

noun

Definition of scanner for English Language Learners

  • : a device that reads or copies information or images into a computer

  • : a device that is used to see inside something

  • : a radio receiver that searches for a signal


SCANNER Defined for Kids

scanner

noun scan·ner \ ˈska-nər \

Definition of scanner for Students

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

Medical Dictionary

scanner

noun scan·ner \ ˈskan-ər \

medical Definition of scanner

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


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