Apse

An apse is a semicircular recess, often covered with a hemispherical vault. Commonly, the apse of a church, cathedral or basilica is the semicircular or polygonal termination to the choir or sanctuary, or sometimes at the end of an aisle.

Smaller apses are sometimes built in other parts of the church, especially for reliquaries or shrines of saints.^{[citation needed]}

The domed apse became a standard part of the church plan in the early Christian era.^[2]

In the Eastern Orthodox Church tradition, the south apse is known as the diaconicon and the north apse as the prothesis. Various ecclesiastical features of which the apse may form part are drawn together here.

The chancel (or sanctuary), directly to the east beyond the choir, contains the high altar, where there is one (compare communion table). This area is reserved for the clergy, and was therefore formerly called the "presbytery", from Greek presbuteros, "elder", ^{[citation needed]} or in older and Catholic usage "priest".^[3]

Semi-circular choirs, first developed in the East, which came into use in France in 470.^[4] By the onset of the 13th century, they had been augmented with radiating apse chapels outside the choir aisle, the entire structure of apse, choir and radiating chapels coming to be known as the chevet (French, "headpiece").^[5]

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  Triple apse of Basilica di Santa Giulia, northern Italy
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  East end of the abbey church of Saint-Ouen, showing the chevet, Rouen, Seine-Maritime, France
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  A chevet apse vault, Toulouse, France
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  Apsed chancel of St Mary's Church, West Dean, Wiltshire, England
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  The decorated apse of the Cathedral of Monreale, Sicily
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  The apse of Manila Cathedral, Philippines
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  The apse of St. Martin church in Busskirch, community Jona, Switzerland

• Ambulatory
• Architectural development of the eastern end of cathedrals in England and France
• Byzantine architecture
• Cathedral architecture
• Church architecture
• Narthex
• Niche
• Scarsella

• Joseph Nechvatal, "Immersive Excess in the Apse of Lascaux", Technonoetic Arts 3, no. 3, 2005.

 

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• Spiers, Richard Phené (1911). "Apse" . In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 2 (11th ed.). Cambridge University Press. pp. 231–232. This has a detailed description of examples in the early church.