subtreasury

/sʌbˈtrɛʒəri/
noun
  1. A branch or subordinate treasury, especially one that handles funds for a larger treasury system.
    • During the 19th century, the subtreasury system helped distribute money to different regions.
    • The subtreasury held reserves of gold and silver to support the national currency.
    • The federal government established a subtreasury in the city to manage local tax collections.
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