The principal church of a bishop's diocese, containing the episcopal throne.
A large, important church.
Something that resembles a cathedral, as in grandeur or authority.
adj.
Of, relating to, or containing a bishop's throne: a cathedral church.
Relating to or issuing from a chair of office or authority; authoritative.
Of, relating to, or resembling a cathedral: tall trees whose branches met to form cathedral arches over the path.
[Short for cathedral church, from Middle English cathedral, of a diocese, from Old French, from Medieval Latin cathedrālis, of a bishop's see, from Latin cathedra, chair; see cathedra.]