Lewis Short
dĭācŏnus | dĭācŏnissa, ae (noun M.f) : (collat. form in plur.:
* Diacones,Vulg. Tim. 3, 8; 12: diaconibus,id. Phil. 1, 1), m., = διάκονος, in eccl. Lat., a servant or minister of the church, a deacon, Tert. Praescr. 3; Cod. Just. 1, 3, 6 et saep. —, , f., a deaconess, Cod. Just. 1, 3, 9; Orell. Inscr. 4872 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary