laxation Meaning, Definition & Usage

  1. noun the elimination of fecal waste through the anus
    shitting; defecation.
  2. noun the act of making something less tight
    loosening.

WordNet

Lax*a"tion noun
Etymology
L. laxatio, fr. laxare to loosen, fr. laxus loose, slack.
Definitions
  1. The act of loosening or slackening, or the state of being loosened or slackened.

Webster 1913