— Mithraic /mith ray"ik/ , Mithraistic , adj. — Mithraist , n.
/mith"reuh iz'euhm/ , n.
an ancient Persian religion in which Mithras was worshiped, involving secret rituals to which only men were admitted: a major competitor of Christianity in the Roman empire during the 2nd and 3rd centuries A.D.
Also, Mithraicism /mith ray"euh siz'euhm/ .
[ MITHRA(S) + -ISM ]