Def·e·cate v. t. [imp. & p. p. Defecated; p. pr. & vb. n. Defecating.]
  1. To clear from impurities, as lees, dregs, etc.; to clarify; to purify; to refine.
     To defecate the dark and muddy oil of amber.   --Boyle.
  2. To free from extraneous or polluting matter; to clear; to purify, as from that which materializes.
     We defecate the notion from materiality.   --Glanvill.
     Defecated from all the impurities of sense.   --Bp. Warburton.