- a group of more than 500 islands in the Pacific, E of the Philippines: formerly a Japanese mandate; now under U.S. trusteeship. 525 sq. mi. (1,360 sq. km).
- an archipelago of over 500 islands and islets in the W Pacific Ocean east of the Philippines, all of which are now part of the Federated States of Micronesia, except for the Palau group: formerly part of the US Trust Territory of the Pacific Islands; centre of a typhoon zone. Area: (land) 1183 sq km (457 sq miles)
