(anc. geog.) a river of Belgica, rising in mount Vogelus on the borders of the Lingones, and which, after receiving a part of the Rhine called Va-baltis, forms the island of the Batavi, and passes off into the sea, at no greater distance than 80 miles: its mouth, which is large and broad, is that which Pliny calls Helius, denoting Lower, according to some German writers. Now called the Maas, or Meuse; rising in Champagne, on the borders of the county of Burgundy, or the Franche Comté, at a village called Meuse, whence the appellation; and running north through Lorraine and Champagne into the Netherlands: it afterwards directs its course north-east, and then west; and joining the Waal, runs to Dort, and falls...