CADURCUM, CADURCUS, and CADURX, in Ancient Geography, a town of the Cadurci, a people of Aquitania; situated between the rivers Oldus, running from the north, and the Tarnis from the south, and falling into the Garumna. Now Cahors, capital of the territory of the Querci, in Guienne. A part of the Cadurci, to the south next the Tarnis, were called Eleutheri.