What does cathedra mean?
A cathedra is the official chair or throne of a bishop, placed in the principal church of his diocese as a visible sign of his authority to teach and govern. The word comes from the Latin cathedra, meaning a chair with armrests or a seat of office, which itself derives from the Greek kathédra, 'a seat'. Because the bishop's chair is what defines the church as his seat, the building housing it is called a cathedral — literally, the church 'of the chair'. Beyond architecture, the term appears most often in the Latin expression ex cathedra, 'from the chair', describing statements made with official, binding authority, particularly papal pronouncements on matters of faith. Though rare in casual conversation, cathedra carries rich connotations of institutional weight and continuity, linking modern religious practice to the earliest centuries of Christianity, when a teacher's authority was embodied in the physical seat from which he instructed.
nounThe official chair or throne of a bishop in his cathedral, symbolizing his teaching authority. More broadly, a position of academic or ecclesiastical authority.
- The official throne or chair of a bishop in his cathedral church, symbolizing his episcopal authority to teach and govern.
- A position or office of high authority, especially an academic chair (used chiefly in phrases like 'ex cathedra').
"The bishop's ornate cathedra stands at the head of the cathedral nave."
"Pilgrims knelt before the ancient cathedra where the first bishops of the diocese had once sat."
"The professor spoke almost ex cathedra, as though her pronouncements admitted no debate."
'Cathedras' is the standard anglicized plural; 'cathedrae' preserves the Latin form and appears mainly in scholarly or ecclesiastical writing.
"Medieval cathedrae survive in only a handful of European churches."
Every cathedral is literally named after a piece of furniture: 'cathedral' means 'containing the cathedra', the bishop's chair that makes the church his official seat.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cathedra
The word cathedra comes directly from Latin cathedra, meaning an armchair or seat of office, borrowed from the Greek kathédra (καθέδρα), formed from katá ('down') and hedra ('seat'). It entered English in the early modern period, largely through ecclesiastical Latin. The same root produced the Old French chaiere, giving English 'chair', and the derivative 'cathedral' names any church that contains a bishop's cathedra.
Related word forms
How cathedra is actually used
A formal, learned word used mainly in ecclesiastical, architectural, and academic contexts. In everyday English it survives mostly within the Latin phrase 'ex cathedra', meaning spoken with authoritative finality. The anglicized plural 'cathedras' is common in general use, while 'cathedrae' appears in scholarly writing.
Easily confused with cathedra
A cathedral is the church building itself, while the cathedra is the bishop's official chair within it — the church takes its name from containing this chair.
A chaise is an ordinary chair or light carriage derived from the same Latin root, but carries no connotation of authority.