The Collaborative International Dictionary of English v.0.48:

Epopee \Ep"o*pee`\, Epopoeia \Ep`o*p[oe]"ia\, n. [F.
   ['e]pop['e]e, Gr. ?; 'e`pos song + ? to make. See Epos.]
   An epic poem; epic poetry.
   [1913 Webster]