Source : Webster's Revised Unabridged Dictionary (1913)

Univocal \U*niv"o*cal\, a. [L. univocus; unus one + vox, vocis,
   a voice, word. See {One}, and {Voice}.]
   1. Having one meaning only; -- contrasted with {equivocal}.

   2. Having unison of sound, as the octave in music. See
      {Unison}, n., 2.

   3. Having always the same drift or tenor; uniform; certain;
      regular. [R.] --Sir T. Browne.

   4. Unequivocal; indubitable. [Obs.] --Jer. Taylor.

Univocal \U*niv"o*cal\, n.
   1. (Aristotelian Logic) A generic term, or a term applicable
      in the same sense to all the species it embraces.

   2. A word having but one meaning.

Source : WordNet®

univocal
     adj : admitting of no doubt or misunderstanding; having only one
           meaning or interpretation and leading to only one
           conclusion; "unequivocal evidence"; "took an
           unequivocal position"; "an unequivocal success"; "an
           unequivocal promise"; "an unequivocal (or univocal)
           statement" [syn: {unequivocal}, {unambiguous}] [ant: {equivocal}]