TRIOBRIS a river of Gallia named by Sidonius Apollinaris (Propempt.).
It is a branch of the Oltis (Lot), and is now named Truyère. [G.L]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.