| arch | a bishop of highest rank |
|---|---|
| arch | the territorial jurisdiction of an archbishop |
| arch | (Anglican Church) an ecclesiastical dignitary usually ranking just below a bishop |
| arch | the territorial jurisdiction of an archdeacon |
| arch | of or relating to an archdiocese |
| arch | the diocese of an archbishop |
| arch | belonging to or befitting an archduke or his archduchy |
| arch | a wife or widow of an archduke or a princess of the former ruling house of Austria |
| arch | the domain controlled by an archduke or archduchess |
| arch | a sovereign prince of the former ruling house of Austria |
| arch | the time prior to 2,500 million years ago |
| arch | (geology) used of the earliest known rocks |