Illustration of caisson
- caisson 1b
1
a
: a chest to hold ammunition
b
: a usually 2-wheeled vehicle for artillery ammunition attachable to a horse-drawn limber
also
: a limber with its attached caisson
2
a
: a watertight chamber used in construction work under water or as a foundation
b
: a hollow floating box or a boat used as a floodgate for a dock or basin
3
Examples of caisson in a Sentence
Recent Examples on the Web
The caisson becomes part of the finished structure.
—
Ari Perez, The Conversation, 10 June 2024
Using a caisson is another way to provide a dry area at a site that is typically underwater.
—Ari Perez, The Conversation, 10 June 2024
To this day, old docks, piers and caissons are all submerged along the shoreline.
—Caitlin Looby, Journal Sentinel, 2 May 2024
In the months since, the Army has retired older horses, some as old as 20 that were still part of the group pulling the more than 2,500-pound caissons, which date back to 1918.
—Tara Copp, Fortune, 10 May 2023
See all Example Sentences for caisson 
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Ari Perez, The Conversation, 10 June 2024
Using a caisson is another way to provide a dry area at a site that is typically underwater.
—Ari Perez, The Conversation, 10 June 2024
To this day, old docks, piers and caissons are all submerged along the shoreline.
—Caitlin Looby, Journal Sentinel, 2 May 2024
In the months since, the Army has retired older horses, some as old as 20 that were still part of the group pulling the more than 2,500-pound caissons, which date back to 1918.
—Tara Copp, Fortune, 10 May 2023
See all Example Sentences for caisson
Dictionary Entries Near caisson
Cite this Entry
“Caisson.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caisson. Accessed 1 Dec. 2024.
Copy CitationKids Definition
caisson
noun
cais·son
ˈkā-ˌsän 
ˈkā-sᵊn
1
a
: a chest for ammunition
b
: a usually two-wheeled vehicle for artillery ammunition
2
: a watertight chamber used in construction work underwater or as a foundation
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