Cătălauni — Lewis & Short
Cătălauni and Cătĕlauni, ōrum, m.,
I a tribe in Gallia Belgica, near the mod. Chālons-sur-Marne, Eutr. 9, 13; Amm. 15, 11, 10.—Hence, Cătălaunĭcus, a, um, adj., of or at Catalauni:
clades,Eum. Pan. Const. 4.