Taiwan /ˌtaɪ̯ˈwɑːn/ noun4 •A partly-recognized country in East Asia consisting of a main island and 167 smaller islands. Official name: Republic of China. Capital: Taipei. •A former administrative division including Taiwan and nearby islands. •(historical) A former dependency of Japan (1895–1945).Taiwan (Formosa) and Hōkotō (the Pescadores) were ceded to Japan upon the close of the Chinese War of 1895. Taiwan has a Governor-General with extreme powers, and is now an integral part of Japan. — 1902 •(historical) Synonym of Tainan, a city of Taiwan, former capital of Taiwan Province.