or AETH, a city of Belgium, province of Hainaut, situated on the river Dender. It is well built, and was strongly fortified by Vauban; has an arsenal, with several bomb-proof magazines; a church dedicated to St Julian, a town-house, college, school of design, orphan asylum, theatre, &c. It contained in 1850, exclusive of the garrison, 8437 inhabitants, chiefly employed in refining sugar and salt, in making soap, beer, and gin, and in the cotton and linen manufactures. It is 25 miles from Brussels. Long. 3° 46'. 32". E. Lat. 50° 42'. 17". N