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Ambulatory
A passageway around the apse or altar of a church.
Apse
the endpoint of a church where the altar is
Atrium
a courtyard in a Roman house or before a Christian church
Axial plan (Basilican plan, Longitudinal plan)
a church with a long nave whose focus is the apse, so-called because it is designed along an axis
Basilica
an axially planed church with a long nave, side aisles, and apse for the altar
Catacomb
underground burial place
Central plan
a church having a circular plan with the altar in the middle
Clerestory
the third, or window, story of a church
Coffer
in architecture, a sunken panel in a ceiling
Cubicula
small underground rooms in catacombs serving as mortuary chapels
gospels
Four books in the New Testament that tell the story of Christ's life and teachings
loculi
openings in the walls of catacombs to receive the dead
lunette
a crescent-shaped space, sometimes over a doorway, that contains sculpture or painting
Narthex
the closest part of the atrium to the basilica, it serves as vestibule, or lobby, of a church
nave
main aisles of a church
orant figure
a figure with its hands raised in prayer
spolia
in art history, the reuse of architectural or sculptural pieces in buildings generally different from their original contexts
transept
an aisle in a church perpendicular to the nave where the clergy originally stood