revolving fund(n = noun.possession) - a fund which, if borrowed or used, is intended to be replenished so it may be loaned or spent repeatedly;
is a kind of fund, monetary fund

closed-end fund, endowment fund, fund, fund raise, hedge fund, imprest fund, index fund, international monetary fund, monetary fund, mutual fund, open-end fund, pension fund, reserve fund, retirement fund, revolving, revolving charge account, revolving credit, revolving door, sinking fund, slush fund, superannuation fund, trust fund, united nations children's fund