Lewis Short
littĕrātor | lītĕr- (noun M) : (), , id.. *
* A teacher of reading and writing, an elementary instructor: litterator ruditatem eximit, grammaticus doctrinā instruit,App. Flor. p. 363, 5.
* Transf., a grammarian, critic, philologist, Cat. 14, 9; Mart. Cap. 3, § 229; cf. Kopp ad loc.
* In opp. to litteratus (a man of real learning), a smatterer, sciolist: alter litterator fuit, alter litteras sciens,Gell. 18, 9, 2; cf. id. 16, 6: Suet. Gram. 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary