Micronesia: Meaning and Definition of

Mi•cro•ne•sia

1. one of the three principal divisions of Oceania, comprising the small Pacific islands N of the equator and E of the Philippines, whose main groups are the Mariana Islands, the Caroline Islands, and the Marshall Islands.
2. a federation comprising the districts of Ponape, Truk, Yap, and Kosrae: part of the Trust Territory of the Pacific Islands.