The Pediment ClipArt gallery provides 3 images of the triangular section at the top of classical buildings. The pediment rests on the entablature.
The acroterium is the pedestal on the angle or apex of a pediment, intended as a base for sculpture.…
"The western pediment of the Temple of Aegina." —D'Anvers, 1895
Carved pediment rinceau from one of the "Sidon" sarcophagi at Constantinopole.