1. (a.) Pertaining to horses or horsemen, or to horsemanship; as, equestrian feats, or games\.

2. (a.) Being or riding on horseback; mounted; as, an equestrian statue.

3. (a.) Belonging to, or composed of, the ancient Roman equities or knights; as, the equestrian order.

4. (n.) One who rides on horseback; a horseman; a rider.

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