diocese
n. countablen. an area of land under the care of a bishop in the Christian church. It is a specific administrative region within a larger religious organization.
n. a territorial unit of church administration under the authority of a bishop. Typically used in formal or ecclesiastical contexts.
The bishop oversees several parishes in his diocese.
The new diocese was created to better serve the growing population in the northern suburbs.
Historical records show how the boundaries of the diocese shifted over centuries, reflecting changes in political power and religious demographics.
From Middle English diocise, from Old French diocese, from Late Latin diocēsis, from Latin dioecēsis (“district under a governor”), from Ancient Greek διοίκησις (dioíkēsis, “internal administration”).