Equestrian

The word equestrian is a reference to equestrianism, or horseback riding, derived from Latin equester and equus, "horse".

Horseback riding (or riding in British English)
Examples of this are:
 * Equestrian sports
 * Equestrian order, one of the upper classes in ancient Rome
 * Equestrian statue, a statue of a leader on horseback
 * Equestrian nomads, one of various nomadic or semi-nomadic ethnic groups whose culture places special emphasis on horse breeding and riding
 * Equestrian at the Summer Olympics, a division of Olympic Games competition

Other

 * The ship Equestrian, used to transport convicts from England to Australia, for example Alfred Dancey.