cofferdam (redirected from cofferdams)

cof·fer·dam  (kôfr-dm, kfr-)

n.

1. A temporary watertight enclosure that is pumped dry to expose the bottom of a body of water so that construction, as of piers, may be undertaken.

2. A watertight chamber attached to the side of a ship to facilitate repairs below the water line.

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cofferdam

Noun

a watertight enclosure pumped dry to enable construction work or ship repairs to be done

Thesaurus

Noun

1.

cofferdam - large watertight chamber used for construction under water pneumatic caisson, caisson chamber - a natural or artificial enclosed space