Lewis Short
mūnĭfex (noun Com) : munia-facio
* One who performs service or is on duty (postAug.).
* Lit., of soldiers: munifices, milites, qui munera facere coguntur,Veg. Mil. 2, 7; cf. Paul. ex Fest. s. v. BENEFICIARII, p. 33 Müll.
* Transf., of things: munifex mamma,i. e. suckling,Plin. 11, 40, 95, § 234.
Charlton T. Lewis, Charles Short, A Latin Dictionary