- (n.) A chest to hold ammunition.
- (n.) A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level.
- (n.) A structure, usually with an air chamber, placed beneath a vessel to lift or float it.
- (n.) A chest filled with explosive materials, to be laid in the way of an enemy and exploded on his approach.
- (n.) 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.
- (n.) A sunk panel of ceilings or soffits.
- (n.) A hollow floating box, usually of iron, which serves to close the entrances of docks and basins.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). caisson. Retrieved September 22, 2026, from http://smartdefine.org/caisson/definitions/1983753 |
| Chicago | Webster's. 2011. "caisson" http://smartdefine.org/caisson/definitions/1983753 (accessed September 22, 2026). |
| Harvard | Webster's 2011, caisson, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/caisson/definitions/1983753>. |
| MLA | Webster's. "caisson" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/caisson/definitions/1983753> |