Home › Words › E › equestrianessequestrianessequestrianess · noun — A female equestrian.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom equestrian + -ess.nounA female equestrian.e.g.“We saw a goodly number of equestrians and equestrianesses as we passed along, the former accoutred in the brilliant and graceful Peruvian costume.” — 1851, Emmeline Stuart Wortley, Travels in the United States, Etc, page 378:Definitions & examples from Wiktionary (CC BY-SA 3.0).