Definition of pacific islands in English English dictionary
A group of more than 2,000 islands and islets of the northwest Pacific Ocean administered by the United States as a United Nations trust territory from 1947 to 1978. It originally included the Caroline, Marianas (excluding Guam), and Marshall islands. Most parts of the territory, including Palau, the Northern Mariana Islands, the Federated States of Micronesia, and the Marshall Islands, are now self-governing