Jūra, ae (also Iūres, ĭum, m., Plin. 3, 4, 5, § 31; 16, 39, 76, § 197), m.,
I a chain of mountains extending from the Rhine to the Rhone , Caes. B. G. 1, 2.
II —Hence, Jūren-sis , e, adj., of Mount Jura , Sid. Ep. 4, 25.