fund

noun

1. A sum or source of money.

   “the fund of a bank, commercial house, manufacturing corporation, etc.”

   “a fund for the maintenance of underprivileged students”

2. An organization managing such money.
3. A money-management operation, such as a mutual fund.

   “Several major funds were declared insolvent recently.”

4. A large supply of something to be drawn upon.

   “He drew on his immense fund of knowledge.”

   “an inexhaustible fund of stories”

   “He was a most likeable and generous man, a Whitworth Scholar, and possessed of a fund of knowledge which seemed to cover every subject under the sun.”

verb

1. (transitive)To pay or provide money for.

   “He used his inheritance to fund his gambling addiction.”

2. (transitive)To place (money) in a fund.
3. (transitive)To form a debt into a stock charged with interest.