- Quinella is a way to bet on a horse race by picking the first two finishers, regardless of the order of their finishing.
An example of a quinella is betting which two horses will first finish in a race.
quinella definition by Webster's New World
Origin: American Spanish quiniela, origin, originally a ball game with five players (later a wager or combination of wagers on the scores of the players; hence any wager against the house) ; from quina, five (on dice) ; from Classical Latin quini, five each ; from quinque, five
quinella definition by American Heritage Dictionary
Origin: American Spanish quiniela, diminutive of Spanish quina, keno, from French quine; see keno.