Related Clues:
- Animal measured in hands
- Perhaps mount height, or both sides of slope
- A foal is a baby one
- Cow : bull calf :: horse : ___
- Derby animal
- Creature sounding like a buzzard, they say
- One ridden may be brought to shore
- Nonhuman part of a centaur
- Something to get back on, idiomatically
- Stable neigh-bor
- It's caught in letters 2-6 of 59-Across