Fundament
Pronunciation : Fun"da*ment
Part of Speech : n.
Etymology : [OE. fundament, fundement, fondement, OF. fundement, fondement, F. fondement, fr. L. fundamentum foundation, fr. fundare to lay the bottom, to found, fr. fundus bottom. See Fund.]
Definition : 1. Foundation. [Obs.] Chaucer.
2. The part of the body on which one sits; the buttocks; specifically (Anat.), the anus. Hume.
Source : Webster's Unabridged Dictionary, 1913