| Definition/Meaning | Word/Phrase |
|---|---|
| diocese of an archbishop | archdiocese |
| principal Christian church building of a bishop's diocese | cathedral , duomo |
| bishop having jurisdiction over a diocese | diocesan |
| diocese of the Eastern Orthodox Church | eparchy , exarchate |
| local subdivision of a diocese committed to one pastor | parish |
| seat within a bishop's diocese where his cathedral is located | see |
| assistant or subordinate bishop of a diocese | suffragan , suffragan bishop |