Related Clues:

• Lively horse
• 47-Across, for Bellerophon
• Trusty companion for a knight
• Time to break young horse
• Pip lassoes head of troublesome horse
• Ye olde horse
• Veteran less good without a right hand
• Camel in a caravan, maybe
• Animal evoked by a chess knight
• "Trusty" ride
• Knight's trusty transport