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v. win·nowed, win·now·ing, win·nows
1. To separate the chaff from (grain) by means of a current of air.
2. To blow (chaff) off or away.
3. To examine closely in order to separate the good from the bad; sift: The judges winnowed a thousand essays down to six finalists.
a. To separate or get rid of (an undesirable part); eliminate: winnowing out the errors in logic.
b. To sort or select (a desirable part); extract: The investigators winnowed the facts from the testimony.
5. To blow on; fan: a breeze winnowing the tall grass.
1. To separate grain from chaff.
2. To separate the good from the bad.
1. A device for winnowing grain.
2. An act of winnowing.

[Middle English winnewen, alteration of windwen, from Old English windwian, from wind, wind; see wind1.]

win′now·er n.


[ˈwɪnəʊəʳ] winnowing machine [ˈwɪnəʊɪŋməˌʃiːn] Naventadora f


, winnowing machine
nWorfschaufel f, → Worfelmaschine f
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Finally, to separate the gold from the shale, they used the pan, which was "a wooden winnower, between two and a half and three palms until the mouth, which from its edges narrows in a pyramidal form,' and "put it into the water, (.
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