Noun
A chest to hold ammunition.
A four-wheeled carriage for conveying ammunition, consisting of two parts, a body and a limber. In light field batteries there is one caisson to each piece, having two ammunition boxes on the body, and one on the limber.
A chest filled with explosive materials, to be laid in the way of an enemy and exploded on his approach.
A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level.
A hollow floating box, usually of iron, which serves to close the entrances of docks and basins.
A structure, usually with an air chamber, placed beneath a vessel to lift or float it.
A sunk panel of ceilings or soffits.
Source: Webster's dictionaryAs screw piles can be disrupted by ice, steel caisson lighthouses such as Orient Point Light are used in cold climates. Source: Internet
When iron probes underneath the caisson for the Manhattan tower found the bedrock to be even deeper than expected, Roebling halted construction due to the increased risk of decompression sickness. Source: Internet
The project chief engineer Washington Roebling suffered from caisson disease. Source: Internet
He fell convert and likely died of head injuries caused by impact with the criss-crossing steel beams inside the caisson. Source: Internet
Orient Long Beach Bar Light (Bug Light) is a blend of a screw pile light that was converted to a caisson light because of the threat of ice damage. Source: Internet