U´SBIUM (Οὔσβιον), a town mentioned by Ptolemy (2.11.30) in the south-east of Germania, probably in the territory of the Marcomanni, seems to be identical with the modern Ispern, on a rivulet of the same name. [L.S]
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.