a tributary of the river Durius, in Hispania Tarraconensis, from which the Arevaci derived their name.
It is probably the Ucero,
which flows from N. to S., a little W. of 3° W. long., and falls into the Douro
S. of Osma,
the ancient Uxama. (Plin. Nat. 3.3. s. 4