DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   sift
       v 1: move as if through a sieve; "The soldiers sifted through
            the woods"
       2: separate by passing through a sieve or other straining device
          to separate out coarser elements; "sift the flour" [syn:
          sift, sieve, strain]
       3: check and sort carefully; "sift the information" [syn:
          sieve, sift]
       4: distinguish and separate out; "sift through the job
          candidates" [syn: sieve, sift]