American English

Definition of chaff noun from the Oxford Advanced American Dictionary



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  1. 1the outer covering of the seeds of grain such as wheat, which is separated from the grain before it is eaten
  2. 2straw (= dried stems of wheat ) and hay (= dried grass) cut up as food for cows
  3. Idioms
    sort out/separate the wheat from the chaff
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    to distinguish useful or valuable people or things from ones that are not useful or have no value We sifted through the application forms to separate the wheat from the chaff.