The Collaborative International Dictionary of English v.0.48:

Danite \Dan"ite\, n.
   1. A descendant of Dan; an Israelite of the tribe of Dan.
      --Judges xiii. 2.
      [1913 Webster]

   2. [So called in remembrance of the prophecy in Gen. xlix.
      17, "Dan shall be a serpent by the way," etc.] One of a
      secret association of Mormons, bound by an oath to obey
      the heads of the church in all things. [U. S.]
      [1913 Webster]