an island, belonging to the U.S., in the N Pacific, E of the Philippines: the largest of the Marianas group; U.S. naval station. 84,996; 206 sq. mi. (535 sq. km). Capital:Agaña. Abbreviation:GU (for use with zip code).
A·ga·na (ə-gä'nyə, ä-gä'nyä) The capital of Guam, on the western coast of the island. It was almost completely destroyed in World War II. Population: 1,050.
A self-governing island territory of the United States, located in the western Pacific Ocean. With important naval and air bases, Guam is an American military bastion in the Pacific.