ARBON, a town of Switzerland, on the Lake of Constance 18m. S.E. of Konstanz. Pop. (1844) 66o; (1930) about 8,570. The name comes from the Lain Arbor Felix. It has Neolithic pile dwellings and a castle begun in the 4th century. Linen manufac ture began in the 18th century and cotton followed in the 19th. Motor-cars are also made.