M / Mŏsa
noun

Mŏsa

gen. Mŏsae · gender masculine · decl. 1st
a river in Belgic Gaul; Meuse; Maas
a river in Belgic Gaul, now the Meuse or Maas, Caes. B. G. 4, 9 fin.; 4, 10 init.; Plin. 4, 14, 28, § 100; Tac. A. 2, 6; id. H. 4, 28; 5, 23.