an arrondissement of the department of the Ardennes, in France, extending over 481 square miles. It comprehends six cantons, composed of 124 communes, and contains 59,840 inhabitants. The capital is a city of the same name, situated on the right bank of the Aisne. It contains 900 houses, and 4960 inhabitants, chiefly employed in making coarse woollen goods. Long. 3° 20' E. Lat. 40° 35' N.