Winnow
Part of speech: verb
Definition: To subject (granular material, especially food grain) to a current of air separating heavier and lighter components, as grain from chaff. To separate, sift, analyze, or test in this manner. To blow upon or toss about by blowing; to set in motion as with a fan or wings. To subject granular material, especially food grain, to a current of air in order to drive off chaff and refuse. To move about with a flapping motion, as of wings; to flutter.
Part of speech: noun
Definition: That which winnows or which is used in winnowing; a contrivance for fanning or winnowing grain.
Winnowing
Part of speech: verb
Definition: To subject (granular material, especially food grain) to a current of air separating heavier and lighter components, as grain from chaff.
Part of speech: noun
Definition: The act of separating chaff from grain.