winnow (Verb) — Separate the chaff from by using air currents. ex. "She stood there winnowing chaff all day in the field"
winnow (Verb) — Blow on. ex. "The wind was winnowing her hair" ex. "the wind winnowed the grass"
winnow (Verb) — Select desirable parts from a group or list. ex. "winnow the finalists from the long list of applicants"
winnow (Verb) — Blow away or off with a current of air. ex. "winnow chaff"
winnow (Noun) — The act of separating grain from chaff. ex. "the winnow was done by women"