Caisson Definition

kāsŏn, -sən
caissons
noun
caissons
A watertight structure within which construction work is carried on under water.
American Heritage
A floating structure used to close off the entrance to a dock or canal lock.
American Heritage
A two-wheeled wagon for transporting ammunition.
Webster's New World
A chest for holding ammunition.
Webster's New World
A hollow, boat-shaped box, used as a floodgate at a dock or basin.
Webster's New World
Synonyms:

Other Word Forms of Caisson

Noun

Singular:
caisson
Plural:
caissons

Origin of Caisson

  • French from Old French large box alteration (influenced by caisse chest) of casson from Italian cassone augmentative of cassa box from Latin capsa

    From American Heritage Dictionary of the English Language, 5th Edition

  • Borrowing from French caisson, from Italian cassone.

    From Wiktionary

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