Definition of fund

1. cash, securities, or other assets designated for a specified purpose such as in a sinking fund.
2. in government accounting, fiscal and accounting entity with a self-balancing set of accounts recording cash and other financial resources, together with related liabilities and residual equities or balances, and changes therein. Funds are segregated for the purpose of conducting specific activities or attaining certain objectives in accordance with special regulations, restrictions, or limitations. An example is the special revenue fund. See also fund accounting.
3. as a verb, to finance, using long-term debt, usually bonds.

an amount of money that may be available either for general uses or purposes or that may be dedicated to a specific use or purpose; to pay such an amount.