1.NounA married priest (chiefly Orthodox Christian and Uniate usage), as opposed to a hieromonk.
2.NounA priest or other person who serves as the bursar or finance officer of a diocese or religious institution (chiefly Roman Catholic usage), an episcopal oeconomus temporarily takes charge of church property in the event of an episcopal vacancy.
3.NounA Byzantine title given to the chief steward or treasurer of a household or institution.