Winnow

1.

(TRANSITIVE) (to expose (grain) to a current of air by tossing or fanning it so that the loose dry outer part is blown away, to separate (chaff) in this way, to scatter, to analyze carefully so as to separate the various elements, to sift, separate) អុំ, បក់ (អង្ករស្រូវ ។ល។)
Example: To winnow wheat, winnow the chaff away, to winnow good from bad.

1.

(INTRANSITIVE) To separate chaff from grain.