*elutriate*

v. t. [ imp. & p. p. Elutriated p. pr. & vb. n. Elutriating ] [ L. elutriatus, p. p. of elutriare. ] To wash or strain out so as to purify; as, to elutriate the blood as it passes through the lungs; to strain off or decant, as a powder which is separated from heavier particles by being drawn off with water; to cleanse, as by washing. [ 1913 Webster ]