1. winnow - Noun
2. winnow - Verb
To separate chaff from grain.
Source: Webster's dictionarycull out the interesting letters from the poet's correspondence Source: Internet
winnow the finalists from the long list of applicants Source: Internet
winnow chaff Source: Internet
The speaker ceased to be an amusing little gnat to be fanned away and was kicked off the forum Source: Internet
the winnowing was done by women Source: Internet
She stood there winnowing grain all day in the field Source: Internet