n.
Pronunciation: ' pe-d ə -m ə nt
Function: noun
Etymology: alteration of obsolete English periment, probably alteration of English pyramid
Date: 1664
1 : a triangular space that forms the gable of a low-pitched roof and that is usually filled with relief sculpture in classical architecture also : a similar form used as a decoration
2 : a broad gently sloping bedrock surface with low relief that is situated at the base of a steeper slope and is usually thinly covered with alluvial gravel and sand
– ped · i · men · tal \ ˌ pe-d ə - ' men-t ə l \ adjective
– ped · i · ment · ed \ ' pe-d ə - ˌ men-t ə d \ adjective