Main Entry: fun·da·ment

Pronunciation: \ˈfən-də-mənt\

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