from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A system of betting on races whereby the winners divide the total amount bet, after deducting management expenses, in proportion to the sums they have wagered individually.
- n. A machine that records such bets and computes the payoffs.
French : pari, wager (from parier, to wager, from Latin pariāre, to settle a debt, from pār, par-, equal; see perə-2 in Indo-European roots) + mutuel, mutual (from Old French; see mutual).(American Heritage® Dictionary of the English Language, Fourth Edition)