Definition of: defecate

(def′ə·kāt) v. ·cat·ed, ·cat·ing v.t.
1. To clear of dregs or impurities, refine; purify.
—v.i.
2. To become free of dregs.
3. To discharge excrement.
—adjective Clarified; refined. [<L defaecatus, pp. of defaecare <de- down, away + faex dregs]
—def′e·ca′·tion noun