Triple Crown

Noun

 * 1)  The feat of leading one's league in three key statistical categories—batting average, home runs, and RBI for hitters; wins, strikeouts, and ERA for pitchers
 * 2)  The three grandest or oldest open championships of the year
 * 3)  The U.S. Open, British Open, Canadian Open
 * 4)  The three greatest thoroughbred races of the year restricted to three-year-olds: the Kentucky Derby, Preakness Stakes, and Belmont Stakes
 * 5)  The three greatest thoroughbred races of the year restricted to three-year-olds: the 2,000 Guineas Stakes, Derby Stakes (aka "Epsom Derby"), and St. Leger Stakes
 * 6)  The three greatest thoroughbred races of the year restricted to three-year-olds: the Queen's Plate, Prince of Wales Stakes, and Breeders' Stakes
 * 7)  Victory by one of the Home Nations — England, Ireland, Scotland, Wales — over the other three in the annual Six Nations Championship.
 * 8)  Victory by a driver at the three grandest car races in the world, the Indianapolis 500, 24-Hours of Le Mans, Monaco Grand Prix; usually defined as a career achievement and not a season or calendar year achievement