POISSY

town, Yvelines dpartement, Paris region, north central France, on the Seine River. It contains the 12th-century collegiate church of Notre-Dame, restored by the architect E.-E. Viollet-le-Duc, and the Savoye House (192930), a major work of the architect Le Corbusier. The town is the birthplace (1214) of Louis IX (St. Louis). Its former abbey was the scene of the Colloquy of Poissy (September 1561), at which French Catholics and Huguenots tried unsuccessfully to reconcile their differences. Manufactures include a variety of metal products (automobiles, kitchen equipment, cables, and razor blades). Pop. (1982) 35,938.