Cathedral Made Out Of Human Remains

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".
6. A church under which are ranged metropolitical churches and their provinces is a "primatial cathedral".