or TIDORE, an island of the Eastern Archipelago, belonging to the Dutch, west of Gilolo and south of Ternate; N. Lat. 0° 40', E. Long. 127° 25'. Its form is nearly circular, and its circumference about 18 miles. An active volcano rises in the centre, and occupies nearly the whole of the island. Its sides are densely covered with forests. The principal productions are sago, rice, cocoa-nuts, and bananas. The capital, Tidor, stands on the east coast. It is walled, and contains a mosque, and the residence of a sultan tributary to the Dutch.