Webster’s Revised Unabridged Dictionary · 1913
Cathedral
Ca·the′dral (kȧ·thē′dral), n. [LL. cathedralis (sc. ecclesia): cf. F. cathédrale. See Cathedra.] The principal church in a diocese, so called because in it the bishop has his official chair (Cathedra) or throne.
Ca·the′dral, a. [LL. cathedralis: cf. F. cathédral.]
1. Pertaining to the head church of a diocese; as, a cathedral church; cathedral service.
2. Emanating from the chair of office, as of a pope or bishop; official; authoritative.
Now, what solemnity can be more required for the pope to make a cathedral determination of an article! Jer. Taylor.
3. Resembling the aisles of a cathedral; as, cathedral walks. Pope.