The Collaborative International Dictionary of English v.0.48:

Amon-Ra \Amon-Ra\ n.
   1. the ancient Egyptian sun god; supreme god of the universe
      in whom Amen and Ra were combined; principal deity during
      Theban supremacy.

   Syn: Amen-Ra
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Amon-Ra
    n 1: Egyptian sun god; supreme god of the universe in whom Amen
         and Ra were merged; principal deity during Theban supremacy
         [syn: Amen-Ra, Amon-Ra, Amun Ra]