viva voce

adverb

1. by word of mouth; orally.

noun

2. Also viva. (in British and European universities) the oral part of an examination.

adverb, adjective

1. by word of mouth

noun, verb

2. the full form of viva 2

also viva-voce, “by word of mouth,” 1580s, Latin, literally “living-voice,” ablative of viva vox.