hippodrome hip·pod·rome UK/ˈhɪpəˌdɹəʊm/ US/ˈhɪpʌˌdroʊm/ rare archaic slang us noun 1. a stadium for horse shows or horse races Related words Broader terms stadium WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.