bishop's seat

This catacomb contains an unquestionable example of a church, divided into a nave and chancel, with a rude stone altar and bishop’s seat behind it.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" by Various

To the Church, no doubt, its cathedral here has a fixed and administrative meaning, which is the same as that of every other bishop's seat and with which we have nothing whatever to do.

From Mont-Saint-Michel and Chartres by Henry Adams

The original dedication is not known, but in 1588 it was already used as an Ecclesiastical Court, and the next year a bishop's seat was made for use in it.

From The Churches of Coventry A Short History of the City & Its Medieval Remains by Frederick W. Woodhouse

Cathed′ra, a bishop's seat, the episcopal dignity—ex cathedra, from the chair, officially given forth.—adjs.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

Here and there, traces of stone-benches were visible; while a high-backed chair, likewise of stone, and resembling a bishop's seat in old churches, stood beside the window.

From Ekkehard. Vol. I (of II) A Tale of the Tenth Century by Joseph Victor von Scheffel