synthronon
A tiered row of seats forming a semicircle in front of the chancel, with the bishop's throne at its centre. The clergy would sit on the synthronon during the service.

Perspective drawing of a synthronon.
Orlandos A.K., I Xylostegos Palaiochristianiki Basiliki tis Mesogeiakis Lekanis, Bibliothiki tis en Athenais Archaiologikis Etaireias, 35, Athens 1952, p.493, ill.453.
© The Archaeological Society at Athens.