sub·di·ac·o·nate (sŭb'dī-āk'ə-nĭt) n. The office, order, or rank of subdeacon.
[Late Latin subdiāconātus, from subdiāconus, subdeacon (partial translation of Late Greek hupodiākonos) : Latin sub-, sub- + Late Latin diāconus, deacon; see deacon.] sub'di·ac'o·nal adj.