Wikipedia
Contingency fund
A contingencies fund or contingency fund is a fund for emergencies or unexpected outflows, mainly economic crises.
Usage examples of "contingency fund".
I'll take the money out of the contingency fund, if no one objects.
Something amounting to a defence contingency fund has been set aside, we believe, to cope with eventual mass-production of this aircraft.
The contingency fund he wired to Switzerland was much larger and he was prepared to send more when he had hard information in hand.
Anyway, I took some thirty-five pounds or so of gold coins out of my contingency fund' and then rejoined Gelane, Enalla, and Aravina at the sedate inn where we'd taken rooms.