Lewis & Short

Lĭger, ĕris, m.,

  1. I. a river forming the boundary between Gallia Lugdunensis and Aquitania, now the Loire: quod Liger ex nivibus creverat, Caes. B. G. 7, 55, 10; Tib. 1, 7, 12: cum ad flumen Ligerim venissent, Caes. B. G. 7, 5, 4: Caesar Ligere interclusus, id. ib. 7, 59: in flumine Ligeri, id. ib. 3, 9.
    Hence,
  2. II. ‡ Lĭgerĭcus, a, um, adj., of or belonging to the Liger, Ligerian, Inscr. ap. Grut. 472, 1.