Source : WordNet®

UK
     n : a monarchy in northwestern Europe occupying most of the
         British Isles; divided into England and Scotland and
         Wales and Northern Ireland [syn: {United Kingdom}, {Great
         Britain}, {GB}, {Britain}, {United Kingdom of Great
         Britain and Northern Ireland}]

Source : Free On-Line Dictionary of Computing

uk
     
         The {country code} for United Kingdom.
     
        (1999-01-27)