1661, Joseph Glanvill, chapter III, in The Vanity of Dogmatizing: Or Confidence in Opinions.[…], London: […] E. C[otes] for Henry Eversden[…], →OCLC, page 22:
[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.
1744, Robert Boyle with Thomas Birch, edited by Thomas Birch, The Works of the Honourable Robert Boyle: In Five Volumes : to which is Prefixed, the Life of the Author[1], volume 1, compilation of Certain phyſiological eſsays and other tracts written at diſtant times, and on ſeveral occaſions by the honourable Robert Boyle ; wherein ſome of the tracts are enlarged by experiments and the work is increaſed by the addition of a diſcourse about the abſolute reſt in bodies. by Robert Boyle, part VI: Certain Physiological Essays, and other tracts written at diſtant Times, eſsay 7: The Hiſtory of Fluidity and Firmneſs, the ſecond part: of Firmneſs, page 265:
[…] 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.
1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy:[…], 2nd edition, Oxford, Oxfordshire: […] John Lichfield and James Short, for Henry Cripps, →OCLC, page 224:
Some are of opinion that such fat, standing waters make the best beer, and that seething doth defecate it […]