Pronunciation: (sOO"pur-fek'tu), [key]
1. a type of bet, esp. on horse races, in which the bettor must select the first four finishers in exact order.
2. a race in which such bets are made. Cf. trifecta.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.