viva

from WordNet (r) 3.0 (2006)

viva
    n 1: an examination conducted by spoken communication [syn:
         {oral}, {oral exam}, {oral examination}, {viva voce},
         {viva}]

from The Collaborative International Dictionary of English v.0.48

Viva \Vi"va\, interj. [It.]
   Lit., (long) live; -- an exclamation expressing good will,
   well wishing, etc. -- n. The word viva, or a shout or sound
   made in uttering it.
   [Webster 1913 Suppl.]

         A wilder burst of "vivas".               --R. H. Davis.
   [Webster 1913 Suppl.]