caisson
caisson definition
cais·son (kā′sən, -sän′)
noun
- a chest for holding ammunition
- a two-wheeled wagon for transporting ammunition
- a watertight enclosure inside which underwater construction work can be done
- a watertight box for raising sunken ships: after the box is sunk and attached, the water is forced out of it so that it floats
- a hollow, boat-shaped box, used as a floodgate at a dock or basin
Etymology: Fr < It cassone < cassa, a chest < L capsa, a box, case
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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