laxation
la·xa·tion
noun
1.
the elimination of fecal waste through the anus
Origin
From Latin laxātiō, from laxō (“to loosen”), from laxus (“loose, slack”).
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.