Classical Orders / Gable crowning
Pediment
/ˈpɛd.ɪ.mənt/noun
Possibly an alteration of periment, related to pyramid.
Definition
A triangular gable crowning a classical portico or facade, framed by horizontal and raking cornices around a recessed tympanum.
Fig. 34 — Pediment: schematic studyNOT TO SCALE
Illustrative study — Pediment · AI-generatedSAMPLE IMAGE
Photo study — Pediment · AI-generated00:06
Structural & construction notes
Pediments follow the roof pitch behind them. Broken and segmental versions are common over doors and windows; exposed upper surfaces need flashing or coping.
An educational reference. Project-specific design requires professional guidance.