defecate

verb

1. (intransitive)To excrete feces from one's bowels.
2. (archaic, transitive)To pass (something) as excrement; to purge.
3. (also, archaic, figuratively, transitive)To clean (something) of dregs, impurities, etc.; to purify.

   “[I]f vve defæcate the notion from materiality, […] it vvill be as hard to apprehend, as that an empty vviſh ſhould remove Mountains: a ſuppoſition vvhich if realized, vvould relieve Siſyphus.”

   “[…] I ſhall add, that proſecuting a hint a happened to meet with in the diſcourſe of a wandering chymiſt, I practiſed a way ſo to defecate the dark and muddy oil of amber drawn per ſe, that a pretty proportion of it would come over ſo tranſparent and finely coloured, that the experiment did not a little pleaſe thoſe I ſhewed it to.”

   “Some are of opinion that such fat, standing waters make the best beer, and that seething doth defecate it […]”

adj

1. (obsolete)Freed from pollutants, dregs, lees, etc.; refined; purified.

   “Till the soul be defecate from the dregs of sense.”