littĕrātōrĭus — Lewis & Short
littĕrātōrĭus (lītĕr-), a, um, adj.litterator,
eruditio,Tert. Idol. 10.—The fem. not to be used as a substantive:
grammatice litteratura est, non litteratrix, quemadmodum oratrix: nec litteratoria, quemadmodum oratoria,Quint. 2, 14, 3.