Source : WordNet®

GU
     n : the largest and southernmost island in the Marianas which is
         administered as a territory of the United States; it was
         ceded by Spain to the United States in 1898 [syn: {Guam}]

Source : Free On-Line Dictionary of Computing

gu
     
         The {country code} for Guam.
     
        (1999-01-27)