totalizator

[ toht-l-uh-zey-ter ]
/ ˈtoʊt l əˌzeɪ tər /

noun

an apparatus for registering and indicating the total of operations, measurements, etc.
a pari-mutuel machine.

Origin of totalizator

First recorded in 1875–80; totalize + -ator

British Dictionary definitions for totalizator

totalizator

totalizer, totalisator or totaliser

/ (ˈtəʊtəlaɪˌzeɪtə) /

noun

a system of betting on horse races in which the aggregate stake, less an administration charge and tax, is paid out to winners in proportion to their stake
the machine that records bets in this system and works out odds, pays out winnings, etc
an apparatus for registering totals, as of a particular function or measurement
US and Canadian term (for senses 1, 2): pari-mutuel