disc
     n 1: sound recording consisting of a disc with continuous
          grooves; formerly used to reproduce music by rotating
          while a phonograph needle tracked in the grooves [syn: {phonograph
          record}, {phonograph recording}, {record}, {disk}, {platter}]
     2: something with a round shape like a flat circular plate
        [syn: {disk}, {saucer}]
     3: (computer science) a memory device consisting of a flat disk
        covered with a magnetic coating on which information is
        stored [syn: {magnetic disk}, {magnetic disc}, {disk}]
     4: a flat circular plate [syn: {disk}]
Source: WordNet® 2.0

DISC
     Defense Information System Council (mil., USA)
     
     
Source: Virtual Entity of Relevant Acronyms