1. the largest island in the Northern Marianas and the administrative center of the commonwealth of the Northern Mariana Islands in union with the United States • Instance Hypernyms: island • Part Holonyms: Northern Marianas, Northern Mariana Islands 2. US forces captured the island from the Japanese in July 1944; it was an important air base until the end of World War II • Instance Hypernyms: amphibious assault • Part Holonyms: World War II, World War 2, Second World War