Definition from Wiktionary, the free dictionary
hierarch (plural hierarchs)
- (religion) One who has high and controlling authority in sacred things; the chief of a sacred order
- (Eastern Orthodoxy) A title of bishops in their role as ordinaries (arbiters of canon law) over their respective dioceses.
2016 October 11, Peter Jesserer Smith, “Pope’s Canon-Law Change Strengthens East and West”, in (Please provide the title of the work), National Catholic Register:
- The law states that the local ordinary can give to any Catholic priest the faculty to bless the marriages of non-Catholic Eastern Christians if the faithful voluntarily ask for it and the priest prudently informs the appropriate hierarch.
a title of bishops in their role as ordinaries (Eastern Orthodoxy)