Mithra

from WordNet (r) 3.0 (2006)

Mithra
    n 1: ancient Persian god of light and truth; sun god [syn:
         {Mithras}, {Mithra}]

from The Collaborative International Dictionary of English v.0.48

Mithra \Mi"thra\, Mithras \Mi"thras\, prop. n. [L., from Gr. ?.]
   The sun god of the ancient Persians; the god of light and
   truth.
   [1913 Webster] mithraic