n.
Pronunciation: ' f ə n-d ə -m ə nt
Function: noun
Etymology: Middle English foundement, from Anglo-French, from Latin fundamentum, from fundare to found, from fundus
Date: 13th century
1 : an underlying ground, theory, or principle
2 a : BUTTOCKS b : ANUS
3 : the part of a land surface that has not been altered by human activities