arc
     n 1: electrical conduction through a gas in an applied electric
          field [syn: {discharge}, {spark}, {electric arc}, {electric
          discharge}]
     2: a continuous portion of a circle
     3: something curved in shape [syn: {bow}]
     v : form an arch or curve; "her back arches"; "her hips curve
         nicely" [syn: {arch}, {curve}]
     [also: {arcking}, {arcked}]
Source: WordNet® 2.0

ARC
     Advanced RISC Computing [architecture] (ACE, RISC)
     
     
Source: Virtual Entity of Relevant Acronyms