Source : Webster's Revised Unabridged Dictionary (1913)

Old Dominion \Old Dominion\
   Virginia; -- a name of uncertain origin, perh. from the old
   designation of the colony as ``the Colony and Dominion of
   Virginia.''

Source : WordNet®

Old Dominion
     n : a state in the eastern United States; one of the original 13
         colonies; one of the Confederate States in the American
         Civil War [syn: {Virginia}, {Old Dominion State}, {VA}]