Coffer

A casket, chest, or trunk; especially, one used for keeping money or other valuables.

Fig.: Treasure or funds; -- usually in the plural.

A panel deeply recessed in the ceiling of a vault, dome, or portico; a caisson.

A trench dug in the bottom of a dry moat, and extending across it, to enable the besieged to defend it by a raking fire.

The chamber of a canal lock; also, a caisson or a cofferdam.

To put into a coffer.

To secure from leaking, as a shaft, by ramming clay behind the masonry or timbering.

To form with or in a coffer or coffers; to furnish with a coffer or coffers.