Lewis & Short

Ămīsĭa, ae.

  1. I. Masc., a river in Germany, now the Ems, Tac. A. 1, 60; 1, 63; 2, 23; in Plin. 4, 14, 28, § 100, and Mel. 3, 3, called Ămīsĭus, ii; cf. Mann. Germ. 419.
  2. II. Fem., a fortress built by the Romans upon the Ems (near the Fort Delf Zyl, in West Friesland), Tac. A. 2, 8; cf. Mann. Germ. 82.