Definition of Guam
island in the southern Marianas; unincorporated U.S. territory containing extensive U.S. military facilities; capital Hagåtña area 209 square miles (541 square kilometers), population 159,358
Guamanianplay \gwä-ˈmā-nē-ən\ adjective or noun
GUAM Defined for English Language Learners
Definition of Guam for English Language Learners
: U.S. island in the Pacific Ocean
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