To sift out, to search out with care, as if by sifting.
Sift"er (?), n. 1. One who, or that which, sifts.
2. (Zoöl.) 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.
Sig (?), n. [Akin to AS. sgan to fall. √151a. See Sink, v. t.]
Urine. [Prov. Eng.]
Si*gaul"ti*an (?), a. (Surg.) Pertaining to Sigault, a French
physician. See Symphyseotomy.