Source : Webster's Revised Unabridged Dictionary (1913)

Elocution \El`o*cu"tion\, n. [L. elocutio, fr. eloqui, elocutus,
   to speak out: cf. F. ['e]locution. See {Eloquent}.]
   1. Utterance by speech. [R.]

            [Fruit] whose taste . . . Gave elocution to the
            mute, and taught The tongue not made for speech to
            speak thy praise.                     --Milton.

   2. Oratorical or expressive delivery, including the graces of
      intonation, gesture, etc.; style or manner of speaking or
      reading in public; as, clear, impressive elocution. ``The
      elocution of a reader.'' --Whately

   3. Suitable and impressive writing or style; eloquent
      diction. [Obs.]

            To express these thoughts with elocution. --Dryden.

Source : WordNet®

elocution
     n : an expert manner of speaking involving control of voice and
         gesture