Classical Orders / Gable field
Tympanum
/ˈtɪm.pə.nəm/noun
From Greek tympanon, “drum,” for its stretched-skin shape.
Definition
The recessed triangular surface enclosed by the cornices of a pediment, or the area between a lintel and the arch above a doorway.
Fig. 54 — Tympanum: schematic studyNOT TO SCALE
Illustrative study — Tympanum · AI-generatedSAMPLE IMAGE
Photo study — Tympanum · AI-generated00:06
Structural & construction notes
Tympana traditionally carry sculpture or relief. In masonry, the infill is self-supporting within the pediment frame; door tympana transfer load to the flanking jambs.
An educational reference. Project-specific design requires professional guidance.