totalizator

A machine for computing and showing totals, especially a pari-mutuel machine showing the total number and amounts of bets at a racetrack.

Same as totalizer.

A machine for registering and indicating the number and nature of bets made on horse races. Called also totalizer.

a computer–like machine, at a racecourse, that registers bets and distributes the total amount bet among those who win

computer that registers bets and divides the total amount bet among those who won