Damascus iron

from The Collaborative International Dictionary of English v.0.48
Damascus \Damascus\ prop. n. (Geography)
   The capital city of Syria. Population (2000) = 1,549,932.
   [PJC]

   {Damascus blade}, a sword or scimiter, made chiefly at
      Damascus, having a variegated appearance of watering, and
      proverbial for excellence.

   {Damascus iron}, or {Damascus twist}, metal formed of thin
      bars or wires of iron and steel elaborately twisted and
      welded together; used for making gun barrels, etc., of
      high quality, in which the surface, when polished and
      acted upon by acid, has a damask appearance.

   {Damascus steel}. See {Damask steel}, under {Damask}, a.
      [1913 Webster]
    

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