discretionary fund
noun[C]
FINANCEukusanamountofmoneythat isavailabletospendon things that are notconsiderednecessarybut that may beuseful:
Governors of somestatesare givendiscretionaryfundstospendon small-scaleprojects.
discretionary funding
noun[U]
Likewise, he said,discretionaryfunding-moneythat goes toindividualschoolsfor avarietyof uses - would not becut.