A caisson is a large, military-style train. It is usually used to move heavy equipment or troops.

  • The caisson was too large to fit through the small opening.

  • The caisson was too heavy to be moved by the horses.

Definition of caisson


large watertight chamber used for construction under water


cofferdam, pneumatic caisson


an ornamental sunken panel in a ceiling or dome


coffer, lacunar


a chest to hold ammunition


ammunition chest


a two-wheeled military vehicle carrying artillery ammunition

Nearby Words

caisson Pronunciation in a video

Example Sentences for caisson

  • 1

    It is the oldest caisson lighthouse in Virginia.

  • 2

    Inventor of the caisson structure with corrugated wings.

  • 3

    Clearly the caisson decends to the bottom of the cistern.

  • 4

    The arch rests on submerged caisson foundations.

  • 5

    In that year the existing caisson light was first illuminated.

  • 6

    The caisson was also even struck by a ship in 1986.

  • 7

    As a caisson descended, the chain coiled up at the bottom of the lift.

  • 8

    At the time of its construction, it was the world's tallest caisson lighthouse.

  • 9

    A caisson locking gate is closed to hold the platform in place.

  • 10

    The horse follows the caisson carrying the casket in a funeral procession.