noun
coffer
KAW-fer/ˈkɔːfər/
A secure chest for keeping valuables.
The open wooden coffer holds a few coins and a jewelry pouch.

Etymology
The ancestral “basket” became a chest for keeping valuables. From the money stored in such chests, coffers also came to mean a treasury or the financial resources it contained.
In context
He allegedly proclaimed that as soon as a coin in the coffer rings, a soul from purgatory springs. This reduced salvation to a simple financial transaction.
More examples
- She locks the silver bracelets inside a coffer.
- Two iron-bound coffers hold the family's valuables.
- The annual fundraiser helps refill the charity's coffers.
Forms
coffer · coffers