Definify.com
Webster 1913 Edition
Coffer
Cof′fer
(?; 115)
, Noun.
 1. 
A casket, chest, or trunk; especially, one used for keeping money or other valuables. 
Chaucer.
 In ivory 
coffers 
I have stuffed my crowns. Shakespeare
2. 
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
. Shakespeare
3. 
(Arch.) 
A panel deeply recessed in the ceiling of a vault, dome, or portico; a caisson. 
4. 
(Fort.) 
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. 
Cof′fer
,Verb.
 T.
 1. 
To put into a coffer. 
Bacon.
 2. 
(Mining.) 
To secure from leaking, as a shaft, by ramming clay behind the masonry or timbering. 
Raymond.
 3. 
To form with or in a coffer or coffers; to furnish with a coffer or coffers. 
Webster 1828 Edition
Coffer
COFFER
, n.1.
  A chest or trunk; and as a chest is customarily used for keeping money, hence,2.
  A chest of money; a treasure.3.
  In architecture, a square depression or sinking in each interval between the modillions of the Corinthian cornice, ordinarily filled with a rose, a pomegranate or other enrichment.4.
  In fortification, a hollow lodgment across a dry moat, from 6 to 7 feet deep and from 16 to 18 broad; the upper part made of pieces of timber, raised two feet above the level of the moat; which little elevation has hurdles laden with earth for its covering, and serves as a parapet with embrasures.  It is raised by the besieged to repulse besiegers when they endeavor to pass the ditch.Definition 2025
coffer
coffer
English
Alternative forms
- copher (obsolete)
 - cophre (obsolete)
 
Noun
coffer (plural coffers)
- A strongbox: a strong chest or box used for keeping money or valuables safe.
 -  (architecture) An ornamental sunken panel in a ceiling or dome; a caisson.
-  1979, Cormac McCarthy, Suttree, Random House, p.135:
- Prolapsed and waterstained ceiling, the sagging coffers.
 
 
 -  1979, Cormac McCarthy, Suttree, Random House, p.135:
 - A cofferdam.
 -  A supply or store of money, often belonging to an organization.
-  Francis Bacon
- He would discharge it without any burden to the queen's coffers.
 
 -  Shakespeare
- Hold, here is half my coffer.
 
 
 -  Francis Bacon
 - A trench dug in the bottom of a dry moat, and extending across it, to enable the besieged to defend it with raking fire.
 
Translations
strongbox
architecture: ornamental sunken panel
cofferdam — see cofferdam
supply or store of money
Verb
coffer (third-person singular simple present coffers, present participle coffering, simple past and past participle coffered)
- (transitive) To put money or valuables in a coffer
 - (transitive) To decorate something, especially a ceiling, with coffers.