Related Clues:

• Potential Triple Crown winner
• Driveway hoops game
• Mother in a stable family?
• "Old gray" horse of song
• Half of a centaur
• Mother concerned with horse
• Hoofed mammal — or husky, do we hear?
• Vaulting apparatus
• Appaloosa's mother
• Drug mule's relative?
• Foal’s mother
• Zebra colt's mother
• Female in a stable
• Arabian, for one
• Centaur's bottom half