To winnow is to blow something away until you are left with what you want, like grain from chaff. If you only want your favorite people to attend your party, you will need to winnow down the guest list from 300 to 30.
To separate chaff from grain.
Noun
 the act of separating grain from chaff; "the winnowing was done by women"
Verb
 remove by a current of air; "winnow chaff"
Verb
 treat by exposure to a current of air so that waste matter is eliminated; "winnow grain"
Verb
 separate from chaff; "She stood there winnowing grain all day in the field"
Verb
 blow on; "The wind was winnowing her hair"
v. i.
 To separate chaff from grain.
Winnow
Winnow not with every wind.
To separate chaff from grain.
Usage Examples
Winnow, Winnow, innow, Winnow, Wuinnow, W8innow, W9innow, Woinnow, Wjinnow, Wkinnow, Wunnow, W8nnow, W9nnow, Wonnow, Wjnnow, Wknnow, Wiunnow, Wi8nnow, Wi9nnow, Wionnow, Wijnnow, Wiknnow, Wibnnow, Wihnnow, Wijnnow, Wimnnow, Wi nnow, Wibnow, Wihnow, Wijnow, Wimnow, Wi now, Winbnow, Winhnow, Winjnow, Winmnow, Win now, Winbnow, Winhnow, Winjnow, Winmnow, Win now, Winbow, Winhow, Winjow, Winmow, Win ow, Winnbow, Winnhow, Winnjow, Winnmow, Winn ow, Winniow, Winn9ow, Winn0ow, Winnpow, Winnlow, Winniw, Winn9w, Winn0w, Winnpw, Winnlw, Winnoiw, Winno9w, Winno0w, Winnopw, Winnolw, Winnoqw, Winno2w, Winno3w, Winnoew, Winnoaw, Winnosw, Winnoq, Winno2, Winno3, Winnoe, Winnoa, Winnos, Winnowq, Winnow2, Winnow3, Winnowe, Winnowa, Winnows.