/ Dictionary / Index V viva voce: Meaning and Definition of Find definitions for: vi•va vo•ce Pronunciation: (vī'vu vō'sē, vē'vu), [key] by word of mouth; orally. (in British and European universities) the oral part of an examination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vivarium vivax malaria Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language