B / Belgĭum
noun

Belgĭum

gen. Belgii · gender neuter · decl. 2nd
a part of; on both sides of the Somme; including the Belloraci
a part of Gallia Belgica, on both sides of the Somme, including the Belloraci, Atrebates, and Ambiani, Caes. B. G. 5, 12; 5, 24; 5, 25; 8, 46.