Tympanum (architecture)
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A tympanum is the semi-circular or triangular decorative wall surface over an entrance, door or window, which is bounded by a lintel and an arch. It often contains pedimental sculpture or other imager
The late Romanesque tympanum of Vézelay Abbey, Burgundy, France, 1130s
Rose window on St. Stephen's Cathedral - Vienna
Tympanum of the Abbey of Sainte-Foy in Conques
Tympanum on the Santiago de Compostela cathedral - Spain
Pediment
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Pediments are a form of gable in classical architecture, usually of a triangular shape. Pediments are placed above the horizontal structure of the cornice, or entablature if supported by columns. In a
Tympanum (architecture)
…Alternatively, the tympanum may hold an inscription, or in modern times, a clock face. Tympanums are by definition inscriptions enclosed by a pediment; however, their evolution gives them more specific implications. Pediments first emerged early in Classical Greece around 700-480 BCE, with early…
Types of pediment; "curved" and "broken" examples at the lower right
Neoclassical pediment of the Madeleine Church, Paris, with sculpture (1826–1834) by Philippe Joseph Henri Lemaire
Open pediments on windows at the Palazzo Farnese, Rome, by Antonio da Sangallo the Younger, begun 1534
Open pediment in a fresco from Boscoreale, 43-30 BC