Source : Webster's Revised Unabridged Dictionary (1913)

Orthoepy \Or"tho*["e]*py\, n. [Gr. ?; 'orqo`s right + ? a word:
   cf. F. ortho['e]pie. See {Ortho-}, and {Epic}.]
   The art of uttering words correctly; a correct pronunciation
   of words; also, mode of pronunciation.

Source : WordNet®

orthoepy
     n 1: the way a word or a language is customarily  spoken; "the
          pronunciation of Chinese is difficult for foreigners";
          "that is the correct pronunciation" [syn: {pronunciation}]
     2: a term formerly used for the part of phonology that dealt
        with the `correct' pronunciation of words and its relation
        to `correct' orthography