gingiva Syllabification: (gin·gi·va)Pronunciation: /jinˈjīvə, ˈjinjəvə/ (also pluralgingivae /jinˈjīvē, ˈjinjəˌvē/)Definition of gingiva noun [treated as singular or plural] Medicine the gums. Derivatives gingival adjective Origin: late 17th century: Latin, 'gum'gingiva in other Oxford dictionaries Definition of gingiva in the British & World English dictionary