Related Clues:

• One in Derby beginning to regret wearing stockings?
• Knight might ride on this barren area
• Herbivorous quadriped
• Drug provides alternative in medical service
• Stockings wrapped round face of Rodney Trotter?
• 'Neigh' sayer
• Animal measured in hands
• Perhaps mount height, or both sides of slope
• A foal is a baby one
• Derby animal
• Creature sounding like a buzzard, they say
• Horse with a golden coat and white mane (O, not A)
• One ridden may be brought to shore
• Nonhuman part of a centaur
• Something to get back on, idiomatically