Noun
(US, Australia, New Zealand) A bet in which the bettor must select the first three placegetters of a race in the order in which they finish.
(US, Australia, New Zealand) The attainment of three important achievements, qualities, etc.
(US, Australia, New Zealand, by extension) A set of three related things, often things that cause problems.
(US politics) The complete legislative and executive control of state or federal government by one party: governorship, the upper house, and the lower house of state or federal legislatures. The party that holds all three positions of power is said to have a trifecta.
Source: en.wiktionary.orgLucky me, I hit the trifecta. George W. Bush
I hit the trifecta on 'Law & Order': I did the original recipe, extra crispy and the Colonel's special. Thomas Sadoski
I'm serious about this. The Republican Party needs to reform or die. President Bush did three things. He destroyed the Republican majority, he crippled the American conservative movement and he weakened the country. That's a hell of a trifecta. Joe Scarborough
A trifecta box with five numbers has 60 possible permutations and costs 60 times the betting base amount (5 × 4 × 3). Source: Internet
A trifecta box with three numbers has six possible permutations (of the horses in the "box" three can finish first, two can finish second, and one can finish third: 3 × 2 × 1) and costs six times the betting base amount. Source: Internet
"Dumping dog crap in your neighbor's yard" trifecta in play? Source: Internet