D defs.my
Entry 4 senses · 2 variants Webster, 1913

Winnow

/(wĭn"nō̇)/ · Win·now · IPA /ˈwɪnoʊ/
01 v. t. To separate, and drive off, the chaff from by means of wind; to fan; as, to winnow grain.
imp. & p. p. Winnowed; p. pr. & vb. n. Winnowing
  1. 1.
    To separate, and drive off, the chaff from by means of wind; to fan; as, to winnow grain.
    “Ho winnoweth barley to-night in the threshing floor.” — Ruth. iii. 2.
  2. 2.
    To sift, as for the purpose of separating falsehood from truth; to separate, as bad from good.
    Winnow well this thought, and you shall find This light as chaff that flies before the wind.” Dryden.
  3. 3.
    To beat with wings, or as with wings.[Poetic]
    “Now on the polar winds; then with quick fan Winnows the buxom air.” Milton.
02 v. i. To separate chaff from grain.
  1. 1.
    To separate chaff from grain.
    Winnow not with every wind.” — Ecclus. v. 9.