hippodrome /ˈhɪpəˌdɹəʊm/noun 3verb 1forms 3 noun3 •A horse racing course. •(US, slang) A fraudulent sporting contest with a predetermined winner. •(no longer used) A circus with equestrian performances. verb1 •(US, slang) To stage a sporting contest to suit gamblers. formshippodromed · hippodroming · hippodromes