Lewis Short
(adjective) : Trans-dānŭbĭānus (-dānŭvĭā-nus), a, um, Danubius
* Situated beyond the Danube, Transdanubian: Dacia,Vop. Aur. 39, 7: regio,Liv. 40, 58, 8 (dub.; al. Aquiloniam regionem).—In plur. subst.: ‡ Transdānŭbĭāni, ōrum, m., the nations beyond the Danube, Inscr. Orell. 750.
Charlton T. Lewis, Charles Short, A Latin Dictionary