Source : Webster's Revised Unabridged Dictionary (1913)

Spend \Spend\, v. t. [imp. & p. p. {Spent}; p. pr. & vb. n.
   {Spending}.] [AS. spendan (in comp.), fr. L. expendere or
   dispendere to weigh out, to expend, dispense. See {Pendant},
   and cf. {Dispend}, {Expend}, {Spence}, {Spencer}.]
   1. To weigh or lay out; to dispose of; to part with; as, to
      spend money for clothing.

            Spend thou that in the town.          --Shak.

            Wherefore do ye spend money for that which is not
            bread?                                --Isa. lv. 2.

Spending \Spend"ing\, n.
   The act of expending; expenditure.

   {Spending money}, money set apart for extra (not necessary)
      personal expenses; pocket money. [Colloq.]

Source : WordNet®

spending
     n : the act of spending or disbursing money [syn: {disbursement},
          {disbursal}, {outlay}]