Definitions
1.nounA strong chest or box used for keeping money or valuables safe.
2.nounAn ornamental sunken panel in a ceiling or dome.
3.nounA cofferdam.
4.nounA supply or store of money, often belonging to an organization.
5.nounA trench dug in the bottom of a dry moat, and extending across it, to enable the besieged to defend it with raking fire.