(1):

(v. i.) To become clear, pure, or free.

(2):

(v. t.) To free from extraneous or polluting matter; to clear; to purify, as from that which materializes.

(3):

(v. t.) To clear from impurities, as lees, dregs, etc.; to clarify; to purify; to refine.

(4):

(v. i.) To void excrement.

(5):

(a.) Freed from anything that can pollute, as dregs, lees, etc.; refined; purified.