Lewis & Short

Mŏrĭni, ōrum, m., a people of Belgic Gaul, near the channel, Caes. B. G. 2, 4; 3, 9; 4, 22; Mel. 3, 2 fin.; Plin. 4, 17, 31, § 106: extremique hominum Morini, Verg. A. 8, 727.