noun. A bet in which the bettor must select the winners of the first four places (i.e., first, second, third, and fourth) of a race in the correct order.

noun. A set of four wins at related events; a set of four events.

"Add the stimulus package and all the bridges built by illegals using that money, and you have a quadfecta of xenophobic populism."

superfecta  trifecta