sifter

from WordNet (r) 3.0 (2006)
sifter
    n 1: a household sieve (as for flour)
from The Collaborative International Dictionary of English v.0.48
Sifter \Sift"er\, n.
   1. One who, or that which, sifts.
      [1913 Webster]

   2. (Zool.) Any lamellirostral bird, as a duck or goose; -- so
      called because it sifts or strains its food from the water
      and mud by means of the lamell? of the beak.
      [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
23 Moby Thesaurus words for "sifter":
      bolter, clarifier, colander, cradle, cribble, filter, grate,
      grating, lixiviator, percolator, purifier, refiner, refinery,
      riddle, rocker, screen, sieve, sorter, strainer, winnow,
      winnowing basket, winnowing fan, winnowing machine
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