Lewis & Short

Avārĭcum, i, n., a large and fortified town of the Bituriges, in Gaul, now Bourges, in the Dép. du Cher, Caes. B. G. 7, 13; 7, 31; 7, 47.
Hence, Avārĭcensis, e, adj., of or pertaining to Avaricum: praemia, Caes. B. G. 7, 47.