— Guamanian /gwah may"nee euhn/ , n. , adj.
/gwahm/ , n.
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). Cap.: Agaña. Abbr.: GU (for use with zip code).