Funds (7)
'funds' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for reserves that I've seen before include "group of people for backup?" , "Stockpiles" , "Books" .)
(Other definitions for capital that I've seen before include "A big letter, or a big city" , "savings" , "Block" , "City - finance - very good" , "Kabul or Harare?" .)
(Other definitions for finance that I've seen before include "Supply funds" , "Support monetarily" , "Public money" , "Money affairs" , "funding" .)
(Other definitions for coffers that I've seen before include "Treasury funds" , "Money-chests" , "Treasury box" , "Financial resources or money boxes" , "containers" .)