Source : Webster's Revised Unabridged Dictionary (1913)

Monodic \Mo*nod"ic\, Monodical \Mo*nod"ic*al\, a. [Gr. ?.]
   1. Belonging to a monody.

   2. (Mus.)
      (a) For one voice; monophonic.
      (b) Homophonic; -- applied to music in which the melody is
          confined to one part, instead of being shared by all
          the parts as in the style called polyphonic.

Source : WordNet®

monodic
     adj : having a single vocal part [syn: {monodical}]