pediment
/ˈpedɪmənt/noun
1- the triangular upper part of the front of a building in classical style, typically surmounting a portico of columns（尤指古典建筑风格门廊柱顶的）山花, 三角墙。
1.1
- a similar feature surmounting a door, window, front, or other part of a building in another style（门、窗户、建筑物面或其他部分的）山花饰。
1.2
- Geology a broad, gently sloping expanse of rock debris extending outwards from the foot of a mountain slope, especially in a desert【地质】（尤指沙漠中由山脚延伸出去布满岩屑的）麓原, 山前侵蚀平原。
派生词
pedimental
adjectivepedimented
adjective词源
late 16th cent. （as periment）： perhaps an alteration of PYRAMID.