Lewis Short
ŏpĕrātrix (noun F) : operator
* She that works, a worker, effecter, producer (eccl. Lat.): vis operatrix,Tert. Anim. 11: mortis,id. ib. 52: sapientia,creative wisdom,Ambros. Spir. Sanc. 2, 9, § 92.
Charlton T. Lewis, Charles Short, A Latin Dictionary