Have him have access to hay and pasture 24/7.
The feces of a horse is round when expelled due to the shape of the large intestine.
A stock horse is a horse that can round up stock eg an Australian stock horse
Wild Horse Round-Up - 1936 was released on: USA: December 1936
A merry-go-round
Fritz the Horse went by The Greatest All-Round Horse That Ever Lived.
The Three contests were an Archey round, Swordsmanship round, and a horse round
Horse racing occurs year round.
you put the horse in water until it stops bucking
Jeremy Gury has written: 'The 'round and 'round horse'
When you keep you horse in full board ( or full livery) you keep it at a stables and they do everything for your horse, like grooming, feeding, riding, turning out and mucking out. This is often a good way to keep your horse if you work full time. It can often be expensive though.
A deep and round sound could refer to a rich and full-bodied tone produced by musical instruments such as a cello or a bass guitar. In the context of flavors, it could describe a robust and complex taste, like that of a dark roast coffee or a full-bodied red wine.
This would be a cutting horse which is usually an American Quarter Horse.