laxation

from WordNet (r) 3.0 (2006)

laxation
    n 1: the elimination of fecal waste through the anus [syn:
         {defecation}, {laxation}, {shitting}]
    2: the act of making something less tight [syn: {loosening},
       {laxation}] [ant: {tightening}]

from The Collaborative International Dictionary of English v.0.48

Laxation \Lax*a"tion\, n. [L. laxatio, fr. laxare to loosen, fr.
   laxus loose, slack.]
   The act of loosening or slackening, or the state of being
   loosened or slackened.
   [1913 Webster]

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