The Collaborative International Dictionary of English v.0.48:

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.]
      [1913 Webster]

            [Fruit] whose taste . . .
            Gave elocution to the mute, and taught
            The tongue not made for speech to speak thy praise.
                                                  --Milton.
      [1913 Webster]

   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
      [1913 Webster]

   3. Suitable and impressive writing or style; eloquent
      diction. [Obs.]
      [1913 Webster]

            To express these thoughts with elocution. --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

elocution
    n 1: an expert manner of speaking involving control of voice and
         gesture

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "elocution":
   accents, chatter, comment, conversation, debating, declamation,
   demagogism, discourse, eloquence, forensics, gab, homiletics,
   language, lecturing, oral communication, oratory, palaver, parole,
   platform oratory, prattle, public speaking, pyrotechnics,
   rabble-rousing, rapping, rhetoric, speaking, speech, speechcraft,
   speechification, speeching, speechmaking, stump speaking, talk,
   talking, wordcraft, words, yakkety-yak, yakking