Definition of checker noun from the Oxford Advanced American Dictionary

     

    checker

     noun
    noun
    NAmE//ˈtʃɛkər//
     
    see also checkers
     
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  1. 1 a person who works at the checkout in a supermarket
  2. 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. 3a person who checks things a quality control checker a fact checker
See the Oxford Advanced Learner's Dictionary entry: checker

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