Source : Webster's Revised Unabridged Dictionary (1913)

Ramayana \Ra*ma"ya*na\, n. [Skr. R[=a]m[=a]yana.]
   The more ancient of the two great epic poems in Sanskrit. The
   hero and heroine are Rama and his wife Sita.

Source : WordNet®

Ramayana
     n : one of two classical Hindu epics telling of the banishment
         of Rama from his kingdom and the abduction of his wife by
         a demon and Rama's restoration to the throne