The vet yearned to reform equestrian contest

WordNet Word definitions in WordNet
n. an equestrian competition; the first day is dressage; the second is cross-country jumping; the third is stadium jumping

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ An estate sale will continue throughout the three-day event . ▪ Equestrian: Kerry Millikin on Out and About is in third place heading into the jumping phase of the individual three-day event . ▪ Equestrian: The endurance phase ...