Source : Webster's Revised Unabridged Dictionary (1913)

Shipbuilder \Ship"build`er\, n.
   A person whose occupation is to construct ships and other
   vessels; a naval architect; a shipwright.

Source : WordNet®

shipbuilder
     n 1: a carpenter who helps build and launch wooden vessels [syn:
          {shipwright}, {ship builder}]
     2: a person who builds ships as a business [syn: {ship builder}]
     3: a business that builds and repairs ships