defecation Meaning, Definition & Usage

  1. noun the elimination of fecal waste through the anus
    laxation; shitting.

WordNet

Def`e*ca"tion noun
Etymology
L. defaecatio: cf. F. défécation.
Definitions
  1. The act of separating from impurities, as lees or dregs; purification.
  2. (Physiol.) The act or process of voiding excrement.

Webster 1913