pommel horse; side horse
Gymnastics apparatus; also refers to the event itself.
He won the gold medal in the pommel horse event.
saddled horse
A horse fitted with a saddle; less common than the gymnastics sense.
Set out on a journey astride a saddled horse.
Search-only kanji form; not a standard spelling.
Compound of 鞍 (saddle) and 馬 (horse).