floating dry dock

floating dock

noun
a submersible, floating structure used as a dry dock, having a floor that is submerged, slipped under a floating vessel, and then raised so as to raise the vessel entirely out of the water.
Also called floating dry dock.


Origin:
1865–70

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
floating dock
 
n
Also called: floating dry dock a large boxlike structure that can be submerged to allow a vessel to enter it and then floated to raise the vessel out of the water for maintenance or repair

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