Definition of caisson
1a : a chest to hold ammunitionb : a usually 2-wheeled vehicle for artillery ammunition attachable to a horse-drawn limber; also : a limber with its attached caisson
2a : a watertight chamber used in construction work under water or as a foundationb : a hollow floating box or a boat used as a floodgate for a dock or basin
3 : coffer 3
Recent Examples of caisson from the Web
As of May, there were 2,019 oil platforms, including caissons and well protectors, in federal waters off Louisiana's coast, according to numbers McDonough presented to the commission.
The float, sponsored by Regence BlueCross BlueShield of Oregon, features a 40-foot-long faux log mounted on a caisson with 12-foot-high wheels.
Mark De Alencar’s wife and five children followed him one last time: six figures, dressed in black, walking behind the caisson that carried his casket through Arlington National Cemetery.
A caisson pulled by white Percherons carried the fallen soldier’s coffin, draped with a flag, to his family, past the long, straight rows of marble headstones emblematic of Arlington National Cemetery.
Mark De Alencar's wife and five children followed him one last time: six figures, dressed in black, walking behind the caisson that carried his casket through Arlington National Cemetery.
Atop the caisson, Callahan’s casket was draped with the American flag.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'caisson'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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