DICT.TW Dictionary Taiwan

 win·now /ˈwɪ(ˌ)no/
 (vt.)吹掉,吹開糠皮,把挑出來,精選(vi.)揚谷,分出好壞,飛行揚谷,揚谷器

 Win·now v. t. [imp. & p. p. Winnowed p. pr. & vb. n. Winnowing.]
 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. 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. To beat with wings, or as with wings.[Poetic]
 Now on the polar winds; then with quick fan
 Winnows the buxom air.   --Milton.

 Win·now v. i. To separate chaff from grain.
    Winnow not with every wind.   --Ecclus. v. 9.
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 winnow
      n : the act of separating grain from chaff; "the winnowing was
          done by women" [syn: winnowing, sifting]
      v 1: separate from chaff; "She stood there winnowing grain all
           day in the field" [syn: fan]
      2: blow on; "The wind was winnowing her hair"
      3: treat by exposure to a current of air so that waste matter
         is eliminated; "winnow grain"
      4: remove by a current of air; "winnow chaff"

 Winnow
    Corn was winnowed, (1.) By being thrown up by a shovel against
    the wind. As a rule this was done in the evening or during the
    night, when the west wind from the sea was blowing, which was a
    moderate breeze and fitted for the purpose. The north wind was
    too strong, and the east wind came in gusts. (2.) By the use of
    a fan or van, by which the chaff was blown away (Ruth 3:2; Isa.
    30:24; Jer. 4:11, 12; Matt. 3:12).