Source : WordNet®

IC
     n : a group of government agencies and organizations that carry
         out intelligence activities for the United States
         Government; headed by the Director of Central
         Intelligence [syn: {Intelligence Community}, {National
         Intelligence Community}, {United States Intelligence
         Community}]

Source : Free On-Line Dictionary of Computing

IC
     
        1.  {integrated circuit}.
     
        2. {Independent Carrier}.
     
        3. {Imperial College}.
     
        (1997-04-12)