caisson bulgariaksi - Sanakirja.org (englanti-bulgaria)

(engineering) An enclosure, from which water can be expelled, in order to give access to underwater areas for engineering works etc.
The gate across the entrance to a dry dock.
(nautical) A floating tank that can be submerged, attached to an underwater object and then pumped out to lift the object by buoyancy; a camel.
(military) A two-wheeled, horse-drawn military vehicle used to carry ammunition (and a coffin at funerals).
(military) A large box to hold ammunition.
(military) A chest filled with explosive materials, used like a mine.
(architecture) A coffer.

Caissons were enclosed dry chambers built on river beds to facilitate the construction of bridge piers.

Monikko