In church architecture, a retroquire, or back-choir, is the space behind the high altar in a church or cathedral, which sometimes separates it from the end chapel. It may contain seats for the church
An altar is a table or platform for the presentation of religious offerings, for sacrifices, or for other ritualistic purposes. Altars are found at shrines, temples, churches, and other places of wors
Altar in Roskilde Lutheran Cathedral beneath a carved reredos
Reconstruction of a horned altar at Tel Be'er Sheva, Israel.
Ancient Greek kylix showing a hoplite offering a sacrifice before an altar, around 480 BC. Ancient Agora Museum of Athens in the Stoa of Attalus
The ancient Altar of Pergamon, reconstructed at the Pergamon museum, Berlin.