See also animals.dressage the training of horses in obedience and the execution of precise movements. equestrianism 1. the art of horsemanship. 2. the practice of this art. —equestrian, equestrienne, n. —equestrian, adj. equitation the art or act of riding on horseback; horsemanship. hippiatrics 1. the study and treatment of diseases of horses. 2. a work on the diseases of horses. Also hippiatry. —hippiatrist, n. —hippia-tric, adj. hippodrome Ancient Greece and Rome. an arena for horse races. hippology the study of horses. hippomancy a form of divination involving the observation of horses, especially by listening to their neighing. hippomania a mama for horses. hippopathology the study and treatment of the diseases of the horse. hippophile a lover of horses. hippophobia an abnormal fear of horses. leucippotomy the sculpting of white horses on hillsides by cutting away grass and earth to reveal underlying stone or chalk deposits, thought to be a sym-bol of Odin, as near Uffington, England. manège, manège 1. the art and practice of horsemanship. 2. the special paces taught to a horse in training. 3. the school or academy where they are taught.