n. pl. treas·ur·ies 1. A place in which treasure is kept.
2. a. A place in which private or public funds are received, kept, managed, and disbursed.
b. Such funds or revenues.
3. A collection of literary or artistic treasures: a treasury of English verse.
4. Treasurya. The department of a government in charge of the collection, management, and expenditure of the public revenue.
b. A debt security, such as a bond, issued by the US Treasury.