Source : Webster's Revised Unabridged Dictionary (1913)

Luciferian \Lu`ci*fe"ri*an\, a.
   1. Of or pertaining to Lucifer; having the pride of Lucifer;
      satanic; devilish.

   2. Of or pertaining to the Luciferians or their leader.

Luciferian \Lu`ci*fe"ri*an\, n. (Eccl. Hist.)
   One of the followers of Lucifer, bishop of Cagliari, in the
   fourth century, who separated from the orthodox churches
   because they would not go as far as he did in opposing the
   Arians.