Lewis Short
(adjective) : Cătălauni and Cătĕlauni, ōrum, m.
* A tribe in Gallia Belgica, near the mod. Chālons-sur-Marne, Eutr. 9, 13; Amm. 15, 11, 10.—Hence, Cătălaunĭcus, a, um, , of or at Catalauni: clades,Eum. Pan. Const. 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary