1. The act of separating grain from chaff
   "The farmer used a machine for the winnow of the harvested wheat";
   - winnowing, sifting

1. Separate the chaff from grain by using air currents
   "She stood there winnowing grain all day in the field"
    
2. Select desirable parts from a group or list
   "winnow the finalists from the long list of applicants";
   - cull out
    
3. Blow away or off with a current of air
   "winnow chaff";
   - fan
    
4. Blow on
   "The wind was winnowing her hair"; "the wind winnowed the grass"

Derived forms: winnows, winnowing, winnowed

Type of: choose, fan, pick out, remove, select, separation, sieve, sift, strain, take, take away, withdraw

Encyclopedia: Winnow