D defs.my
Entry 1 sense Webster, 1913

Diocese

/dī'-əs-ēzˌ/ · Di·o·cese · IPA /ˈdaɪ.ə.sɪs/
01 n. The circuit or extent of a bishop's jurisdiction; the district in which a bishop exercises his ecclesiastical authority.
pl. Dioceses ((#))
  1. 1.
    The circuit or extent of a bishop's jurisdiction; the district in which a bishop exercises his ecclesiastical authority.(Eccl.)