diocesan

Etymology

From Middle French diocesain.

adj

1. Pertaining to a diocese.
   Diocesan bureaucracies were both symptom and cause of this. 2009, Diarmaid MacCulloch, A History of Christianity, Penguin, published 2010, page 378

noun

1. The bishop of a diocese.
2. An inhabitant of a diocese.
   The bishop of Chartres indignantly informed the king that his diocesans were dying like flies and eating grass like sheep, and indeed both the king and Fleury got a fright when their coaches were stopped in the Paris countryside by peasants crying out ‘Famine! Bread!’ rather than ‘Vive le Roi!’ 2002, Colin Jones, The Great Nation, Penguin, published 2003, page 121