Answer: winnow

AnswerCrossword Clue
WINNOWNarrow down
winnowto separate chaff from grain
winnowseparate desirable and undesirable elements
winnowto free (grain) of chaff by a forced current of air
winnowto remove (as chaff) by a current of air
winnowtreat (as grain) by exposure to a current of air so that waste matter is eliminated
winnowlect
winnowseparate chaff from grain by fanning
winnowto separate or distinguish valuable from worthless parts.
winnowfree of unwanted or inferior elements pare
winnowblow on fan the wind winnowing his thin white hair Time
winnowget rid of (something undesirable or unwanted) remove often used with out winnow out certain inaccuracies Stanley Walker
winnowto separate
WINNOWSift
WINNOWReduce to only the best
WINNOWSeparate chaff from grain
WINNOWSift.
WINNOWSeparate the chaff.
WINNOWFan.
WINNOWBlow away.
WINNOWBlow off chaff.
WINNOWCull
WINNOWFree grain from chaff
WINNOWSeparate grain and chaff
WINNOWSeparate grain from chaff