Equestrian is a term used to describe activities related to horses and horsemanship. The term can be broken down into three parts: HORSEY (6 letters), HORSEMAN (8 letters) and RIDER (5 letters). HORSEY refers to the horse itself, HORSEMAN to the person who works with horses, and RIDER to the person who rides the horse. Together, these three terms form the term equestrian, which encompasses all activities related to horses and horsemanship.