defecate

verb (used without object), def·e·cat·ed, def·e·cat·ing.

1. to void excrement from the bowels through the anus; have a bowel movement.
2. to become clear of dregs, impurities, etc.

verb (used with object), def·e·cat·ed, def·e·cat·ing.

3. to clear of dregs, impurities, etc.; purify; refine.

verb

1. (intr) to discharge waste from the body through the anus
2. (tr) to clarify or remove impurities from (a solution, esp of sugar)

v.

1570s, “to purify,” from Latin defaecatus, past participle of defaecare “cleanse from dregs, purify,” from the phrase de faece “from dregs” (plural faeces; see feces). Excretory sense first recorded 1830 (defecation), American English, from French. Related: Defecated; defecating.

v.

1. To void feces from the bowels.