Federated States of Micronesia - a country scattered over Micronesia with a constitutional government in free association with the United States; achieved independence in 1986country, land, state - the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries" Micronesia - the islands in the northwestern part of Oceania Ladrone Islands, Mariana Islands, Marianas - a chain of coral and volcanic islands in Micronesia (including Guam and the Northern Marianas) halfway between New Guinea and Japan; discovered by Magellan in 1521 Caroline Islands - a long archipelago of more than 500 islands in Micronesia east of the Philippines |