Source : Webster's Revised Unabridged Dictionary (1913)

Defecate \Def"e*cate\, v. i.
   1. To become clear, pure, or free. --Goldsmith.

   2. To void excrement.

Defecate \Def"e*cate\, a. [L. defaecatus, p. p. of defaecare to
   defecate; de- + faex, faecis, dregs, lees.]
   Freed from anything that can pollute, as dregs, lees, etc.;
   refined; purified.

         Till the soul be defecate from the dregs of sense.
                                                  --Bates.

Defecate \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.

Source : WordNet®

defecate
     v : have a bowel movement; "The dog had made in the flower beds"
         [syn: {stool}, {shit}, {take a shit}, {take a crap}, {ca-ca},
          {crap}, {make}]