Formosa (3,500), a large island off the coast of China, from which it is separated by the Fukien Channel, 90 m. broad. Formosa was ceded to Japan by the Chinese in 1895; it is an island of much natural beauty, and is traversed N. and S. by a fine range of hills; is famed for its bamboos, and exports coal, rice, tea, &c. Name also of a large territory in the Argentine.