Wiktionary
cofferdams
n. (plural of cofferdam English)
Usage examples of "cofferdams".
Without the internal armored bulkheads and cofferdams, the separate, parallel control runs, and redundant circuit breakers of military design, there was little to stop the train wreck of induced component failures, and a chain reaction of shorting, arcing superconductor rings raced through the compartment.
Maybe 27 sealed tanks, not to mention cofferdams, pump-rooms, engine-rooms.
The talk was about cofferdams and cement patches, about a complete refitting in the States, about return to service in 1943 or 1944.