defaecate

/D IH0 F EY1 K EY0 T/
verb
  1. 1

    To excrete feces from one's bowels.

  2. 2

    To purify, to clean of dregs etc.

  3. 3

    To purge; to pass (something) as excrement.

Source: https://en.wiktionary.org/wiki/defaecate, https://en.wiktionary.org/wiki/defecate