Saddle horse is a common term used to describe a horse that is trained for riding with a saddle. There are several synonyms for this term, including riding horse, mount, steed, charger, courser, and nag. A riding horse is a versatile animal that can be used for a variety of activities, such as trail riding, jumping, dressage, and racing. The term mount can be used to describe any animal that is used for riding, including mules and donkeys. A steed is a term often used to describe a horse that is well-bred and trained for competition. Charger and courser both refer to a powerful horse that is used in battle. Nag is a term that is sometimes used to describe a horse that is considered old, tired, or worn-out.