an arrondissement of the department of the Aude, in France, extending over 430 square miles. It is divided into five cantons and seventy-five communes, and contains 51,597 inhabitants. The chief city, of the same name, is situated on the south canal, in a fine situation. It contains 1015 houses, and 9385 inhabitants. Long. 1. 52. E. Lat. 43. 19. N.