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cofferdam

 

Definitions from WordNet

Noun cofferdam has 1 sense
  1. caisson, pneumatic caisson, cofferdam - large watertight chamber used for construction under water
    --1 is a kind of chamber

Definitions from the Web

Cofferdam

Noun:

A cofferdam is a temporary structure built to keep water and soil away from a construction area, typically formed by driving sheet piling into the ground and pumping out the enclosed water, allowing the construction work to be carried out in a dry environment.

Example sentence: The cofferdam was constructed to keep the foundation area dry for the building construction.

Verb:

To cofferdam means to isolate an area from water and soil by constructing a temporary barrier.

Example sentence: They cofferdamed the river in order to carry out bridge maintenance.

Adjective:

Cofferdam can also be used as an adjective to describe something that is related to or resembling a cofferdam.

Example sentence: The cofferdam structure was a vital solution for completing the underwater repairs.

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