Source : WordNet®

APC
     n 1: (military) an armored vehicle (usually equipped with treads)
          that is used to transport infantry [syn: {armored
          personnel carrier}, {armoured personnel carrier}]
     2: a drug combination found in some over-the-counter headache
        remedies (Aspirin and Phenacetin and Caffeine)

Source : Free On-Line Dictionary of Computing

APC
     
        {Association for Progressive Communications}