trifecta

noun4

1. •
   (US, Australia) A bet in which the bettor must select the first three placegetters of a race in the order in which they finish.

   • The conservative player will play the exacta box bet and the occasional trifecta box wager. — 2006
2. •
   (US, Australia) A set of three related things, often things that cause problems.

   • Along with runtime errors, two other errors we saw earlier round out the JavaScript bug trifecta: syntax errors, logic errors, and runtime errors. — 2007
3. •
   (US) 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.
4. •
   (US, figurative) The attainment of three important achievements, qualities, etc.

   • The money picture for Santorum could change after his trifecta win in Colorado, Minnesota, and Missouri Tuesday night. — 2012