The Collaborative International Dictionary of English v.0.48:

Druse \Druse\, n. [Cf. G. druse bonny, crystallized piece of
   ore, Bohem. druza. Cf. Dross.] (Min.)
   A cavity in a rock, having its interior surface studded with
   crystals and sometimes filled with water; a geode.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Druse \Druse\, n.
   One of a people and religious sect dwelling chiefly in the
   Lebanon mountains of Syria.
   [1913 Webster]

         The Druses separated from the Mohammedan Arabs in the
         9th century. Their characteristic dogma is the unity of
         God.                                     -- Am. Cyc.
   Drusy

WordNet (r) 3.0 (2006):

Druse
    n 1: an adherent of an esoteric monotheistic religious sect
         living in the relative security of the mountains of Syria
         and Lebanon who believes that Al-hakim was an incarnation
         of God; "a Druze is permitted to conform outwardly to the
         faith of the unbelievers among whom he lives" [syn:
         Druze, Druse]