The Crystal Cathedral

2. A parish church temporarily serving as the cathedral or co-cathedral of a diocese is known as a "pro-cathedral".
3. Two churches jointly serving cathedrals of a diocese are each known as "co-cathedrals".
4. The church of a diocesan bishop is known as a "cathedral".
5. A church to which other diocesan cathedral churches of a province are suffragan is a "metropolitan cathedral".