Rioja UK/ɹiˈɒxə/ US/ɹiːˈɒxə/ uncommon noun 1. dry red table wine from the Rioja region of northern Spain Related words Broader terms red wine WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.