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Definition of checker noun from the Oxford Advanced Learner's Dictionary

checker

noun
 
/ˈtʃekə(r)/
 
/ˈtʃekər/
see also checkers
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  1. (especially US English) a person who works at the checkout in a supermarket
  2. (in compounds) a computer program that you use to check something, for example the spelling and grammar of something you have written
    • a spelling/grammar/virus checker
  3. a person who checks things
    • a quality control checker
See checker in the Oxford Advanced American Dictionary
Check pronunciation: checker

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