subdeacon n 1: a clergyman an order below deacon; one of the Holy Orders in the unreformed western Christian church and the eastern Catholic Churches but now suppressed in the Roman Catholic Church
Subdeacon \Sub*dea"con\, n. [Pref. sub- + deacon: cf. L. subdiaconus.] (Eccl.) One belonging to an order in the Roman Catholic Church, next interior to the order of deacons; also, a member of a minor order in the Greek Church. [1913 Webster] Subdeaconry