Diocesan

[daɪ'ɒsɪs(ə)n] or [daɪ'ɑsəsn]

(noun.) a bishop having jurisdiction over a diocese.

(adj.) belonging to or governing a diocese .

Edited by Brent--From WordNet

(a.) Of or pertaining to a diocese; as, diocesan missions.

(n.) A bishop, viewed in relation to his diocese; as, the diocesan of New York.

(n.) The clergy or the people of a diocese.

Edited by Fred