totalisator

noun

1. (UK)the computerised system which runs parimutuel betting, calculating payoff odds, displaying them, and producing tickets based on incoming bets.

   “For example, I may in some places effect marriage by cohabiting, or I may bet with a totalisator machine by putting a coin in the slot.”

   “At the racing club's expense, many alterations had been made, including converting the totalisator building into a 40-bed ward.”