graving dock

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a large dock from which water can be pumped out;
used for building ships or for repairing a ship below its waterline
• Syn:
dry dock, drydock
• Hypernyms:
dock, dockage, docking facility
• Hyponyms:
floating dock, floating dry dock
• Part Holonyms:
shipyard