'Spending money' definitions:

Definition of 'spending money'

From: WordNet
noun
Cash for day-to-day spending on incidental expenses [syn: pocket money, pin money, spending money]

Definition of 'Spending money'

From: GCIDE
  • Spending \Spend"ing\, n. The act of expending; expenditure. [1913 Webster]
  • Spending money, money set apart for extra (not necessary) personal expenses; pocket money. [Colloq.] [1913 Webster]