Lewis Short
doctrix (noun F) : doctor
* She who instructs, an instructress, teacher: (sapientia) doctrix est disciplinae Dei,Vulg. Sap. 8, 4; August. de Mor. Eccl. Cath. 16; Serv. Verg. A. 12, 159; Prisc. 1122 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary