equestrian

equestrian is an   Adverb

Definition:

[1] Of or pertaining to horses or horsemen, or to horsemanship; as, equestrian feats, or games.

[2] Being or riding on horseback; mounted; as, an equestrian statue. An equestrian lady appeared upon the plains. Spectator.

[3] Belonging to, or composed of, the ancient Roman equities or knights; as, the equestrian order. Burke.

Synonyms: