Source : Webster's Revised Unabridged Dictionary (1913)

Berg \Berg\, n. [[root]95. See {Barrow} hill, and cf.
   {Iceberg}.]
   A large mass or hill, as of ice.

         Glittering bergs of ice.                 --Tennyson.

Source : WordNet®

berg
     n 1: a large mass of ice floating at sea; usually broken off of a
          polar glacier [syn: {iceberg}]
     2: Austrian composer in Schoenberg's twelve-tone music system
        (1885-1935) [syn: {Alban Berg}]