Source : Webster's Revised Unabridged Dictionary (1913)

Totalizer \To"tal*i`zer\, n.
   Same as {Totalizator}.

Source : WordNet®

totalizer
     n 1: computer that registers bets and divides the total amount
          bet among those who won [syn: {pari-mutuel machine}, {totaliser},
           {totalizator}, {totalisator}]
     2: a calculator that performs simple arithmetic functions [syn:
         {adding machine}, {totaliser}]