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, adj., of or at Catalauni: clades, Eum. Pan. Const. 4.