meaning of cais a
1.  A chest to hold ammunition. 
2.  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. 
3.  A chest filled with explosive materials, to be laid in the way of an enemy and exploded on his approach. 
4.  A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level. 
5.  A hollow floating box, usually of iron, which serves to close the entrances of docks and basins. 
6.  A structure, usually with an air chamber, placed beneath a vessel to lift or float it. 
7.  A sunk panel of ceilings or soffits. 
8.  large watertight chamber used for construction under water
						 
Related Words
caisson | caisson disease | pneumatic caisson |
