Elutriate \E*lu"tri*ate\, 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]