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large watertight chamber used for construction under water

large watertight chamber used for construction under water

A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level.

A hollow floating box, usually of iron, which serves to close the entrances of docks and basins.

A structure, usually with an air chamber, placed beneath a vessel to lift or float it.

A sunk panel of ceilings or soffits.

A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level.

A hollow floating box, usually of iron, which serves to close the entrances of docks and basins.

A structure, usually with an air chamber, placed beneath a vessel to lift or float it.

A sunk panel of ceilings or soffits.

A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

An ammunition wagon or chest; a water-tight casing used for building under water.

n. [French] A chest containing ammunition; the waggon or tumbril in which military stores are conveyed;—a chest filled with explosive materials to be laid in the way of an enemy;—a wooden or iron frame used for the foundations of a bridge;—a sunken panel in a vaulted ceiling.

A chest of bombs or powder, laid in the enemy's way, to be fired at their approach; a wooden case in which the piers of bridges are built within the water.