PEDIMENT

noun Etymology: alteration of obsolete English periment, probably alteration of English pyramid Date: 1664 a triangular space that forms the gable of a low-pitched roof and that is usually filled with relief sculpture in classical architecture, 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, ~al adjective ~ed adjective