encouraging a business, industry, or economy to develop by putting money into it. For example, a government may increase its spending in order to increase economic activity during a recession:
• the fiscal tools of tax cuts and pump-priming
— pump-prime verb [intransitive, transitive] :
• Some states and cities will resort to pump-priming their economies with spending on roads, airports and waste-management.
Financial and business terms. 2012.