I. ˌvī-və-ˈvō-(ˌ)sē or ˌvē-və-ˈvō-(ˌ)chā adverb
Etymology: Medieval Latin, with the living voice
Date: 1563
: by word of mouth : orally
II. adjective
Date: 1654
: expressed or conducted by word of mouth : oral
III. noun
Date: 1842
: an examination conducted viva voce — called also viva