Eth. GEIDUNI or GEIDUMNI, a people mentioned by Caesar as dependent on the Belgian nation of the Nervii.
The reading of the name is not quite certain (Caes. Gal. 5.39., ed. Schneid.), and the position of the people is unknown. [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.