Examples from the Web for fundament
(It rises and falls with the inhaling and exhaling breaths up to the pericranium and thence down to the fundament).
A decoction of this bark is a valuable application for falling of the fundament, or womb.
A strong decoction makes a useful wash for falling of the womb, or fundament.
Yet they are the very basis and fundament of any attempt to better the general health.
The other boy then offered to kiss M. O.'s fundament, and did so.Studies in the Psychology of Sex, Volume 2 (of 6)|Havelock Ellis
British Dictionary definitions for fundament
Word Origin for fundament
Word Origin and History for fundament
late 13c., "buttocks, anus," from Old French fondement "foundation, bottom; anus" (12c.), from Latin fundamentum "a foundation," from fundare "to found" (see bottom). So called because it is where one sits.
Alle þe filþ of his magh ['maw'] salle breste out atte his fondament for drede. ["Cursor Mundi," early 14c.]