treasury
n. countablen. the government department that manages a country's money and taxes. It is the place where a nation's wealth is kept and spent.
n. the government department responsible for financial policy, tax collection, and the management of national revenue. When capitalised, it refers to the specific state institution.
The Treasury announced new tax cuts this morning.
Economists are waiting for the Treasury to release the latest figures on national debt and spending.
The proposed infrastructure project requires significant funding, which must be approved by the Treasury before any construction contracts can be signed.
Ellipsis of Treasury Department (or Department of the Treasury), or of Treasury bond.
Often used with the definite article ('the Treasury') when referring to a specific national department.