defecate \def"ecate\, 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.
      1913 webster

            to defecate the dark and muddy oil of amber.
                                                  --boyle.
      1913 webster

   2. to free from extraneous or polluting matter; to clear; to
      purify, as from that which materializes.
      1913 webster

            we defecate the notion from materiality. --glanvill.
      1913 webster

            defecated from all the impurities of sense. --bp.
                                                  warburton.
      1913 webster
see also:
defecated defecating