■ verb
1》 blow air through (grain) in order to remove the chaff.
↘remove (chaff) from grain.
2》 examine in order to identify the most valuable or useful elements.
↘identify (a valuable or useful element).
3》 literary (of the wind) blow.
4》 (of a bird) fan (the air) with its wings.
Derivatives
~er noun
Origin
OE windwian , from wind (see wind 1 ).