archdiocese
nounUK /ˌɑːtʃˈdaɪ.ə.sɪs/ · US /ˌɑɹt͡ʃˈdaɪəsɪs/
Etymology Ultimately from Medieval Latin archdiocesis, variant of archidioecēsis, from archi- (“chief, main”) + Late Latin dioecēsis, q.v., equivalent to arch- + diocese.
1
Christianity A diocese administered by an archbishop.
- Related terms
- archbishop, archdiocesan