Source : WordNet®

vox
     n : the sound made by the vibration of vocal folds modified by
         the resonance of the vocal tract; "a singer takes good
         care of his voice"; "the giraffe cannot make any
         vocalizations" [syn: {voice}, {vocalization}, {vocalisation},
          {phonation}]
     [also: {voces} (pl)]

voces
     See {vox}