A town of France, on a canal of the same name, 4 m. N. of Paris, noted for its old abbey church, which from the 7th century became the burying-place of the French monarchs. During the Revolution in 1793 the tombs were ruthlessly desecrated; there is also a school for the daughters of officers of the Legion of Honour, founded by Napoleon; manufactures chemicals, printed calicoes, &c.