winnow in Polish

That which winnows or which is used in winnowing; a contrivance for fanning or winnowing grain.

(transitive, agriculture, literal) To subject (granular material, especially food grain) to a current of air separating heavier and lighter components, as grain from chaff.

(transitive, figuratively) To separate, sift, analyse, or test by separating items having different values.

(transitive, figuratively) To separate, sift, analyse, or test by separating items having different values.