chaff noun definition in Crops topic from the Oxford Advanced Learner's Dictionary


 noun: Crops topic
1 the outer covering of the seeds of grain such as wheat, which is separated from the grain before it is eaten2 straw (= dried stems of wheat) and hay (= dried grass) cut up as food for cowsto 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.