From Longman Dictionary of Contemporary Englishvivavi‧va1 /ˈvaɪvə/ (also viva voce) noun [countable] British English a spoken examination taken at the end of a university course
Examples from the Corpus
viva• In May she came to Oxford for her D. Phil viva.• Remember vivas and interviews; candidates dig their own pits quite happily, with minimal help from the examiners.vivavi‧va2 /ˈviːvə/ interjection PRAISEused to show that you approve of someone and want them to continue to exist or be successfulExamples from the Corpus
viva• Viva Mandela!Origin viva (1600-1700) Italian “long live!”, from vivere “to live”, from Latin; → VIVID viva1 (1800-1900) viva voce 