Related Clues:

• Thoroughbred grandfather of Seabiscuit
• Famed racehorse
• Strangely warm on a ship
• "Floating terror" of the sea
• Laura Hillenbrand book about a racehorse
• Whom The New York Times co-named athlete of the year, with Babe Ruth, in 1920
• Racehorse in a 2003 film
• Horse's hardtack