I. vi ‧ va 1 /ˈvaɪvə/ BrE AmE ( also viva voce ) noun [countable] British English
[ Date: 1800-1900 ; Origin: viva voce ]
a spoken examination taken at the end of a university course
II. vi ‧ va 2 /ˈviːvə/ BrE AmE interjection
[ Date: 1600-1700 ; Language: Italian ; Origin: 'long live!' , from vivere 'to live' , from Latin ; ⇨ ↑ vivid ]
used to show that you approve of someone and want them to continue to exist or be successful