Frīsĭi, ōrum, m., φρίσιοι or φρείσιοι, Ptol. and Dio Cass., in the Middle Ages Frisones and Fresones,
I the Frisians , a people of northern Germany , between the Rhine and the Ems , in the modern West Friesland , Plin. 4, 15, 27, § 101; Tac. G. 34; id. A. 1, 60; 4, 72 al.
II —Hence, Frīsĭus , a, um, adj., Frisian , Tac. A. 4, 74.