shipyard -
A place where ships are built and repaired.
Wikipedia
Shipyards and dockyards are places which repair and build ships. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Dockyards are sometimes more associated with maintenance and basing activities than shipyards, which are sometimes associated more with initial construction.
OmegaWiki Dictionary
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shipyard A place for constructing, repairing and storing vessels out of the water.