What does "coffer" mean?

Coffer: Fig.: Treasure or funds; -- usually in the plural. He would discharge it without any burden to the queen's coffers, for honor sake. Bacon. Hold, here is half my coffer. Shak.

Additional senses

  1. 2.(Arch.) A panel deeply recessed in the ceiling of a vault, dome, or portico; a caisson.
  2. 3.(Fort.) A trench dug in the botton of a dry moat, and extending across it, to enable the besieged to defend it by a raking fire.
  3. 4.The chamber of a canal lock; also, a caisson or a cofferdam. Coffer dam. (Engin.) See Cofferdam, in the Vocabulary. -- Coffer fish. (Zoöl.) See Cowfish.
  4. 5.To put into a coffer. Bacon.
  5. 6.(Mining.) To secure from leaking, as a chaft, by ramming clay behind the masonry or timbering. Raymond.
  6. 7.To form with or in a coffer or coffers; to turnish with a coffer or coffers.

Sources