treasury
pl: -sur·ies 1 a : a place in which stores of wealth are kept
b : the place of deposit and disbursement of collected funds
;esp : one where public revenues are deposited, kept, and disbursed
c : funds kept in such a depository
2 cap a : a governmental department in charge of finances and esp. the collection, management, and expenditure of public revenues
b : the building in which the business of such a governmental department is transacted
3 cap : a government security (as a note or bill) issued by the Treasury