Source : Webster's Revised Unabridged Dictionary (1913)

Eyrie \Ey"rie\, Eyry \Ey"ry\ ([=a]"r[y^] or [=e]"r[y^]; 277),
   n.; pl. {Ey"ries} (-r[i^]z). [See {Aerie}]
   The nest of a bird of prey or other large bird that builds in
   a lofty place; aerie.

         The eagle and the stork On cliffs and cedar tops their
         eyries build.                            --Milton.

Source : WordNet®

eyrie
     n 1: the lofty nest of a bird of prey (such as a hawk or eagle)
          [syn: {aerie}, {aery}, {eyry}]
     2: any habitation at a high altitude [syn: {aerie}, {aery}, {eyry}]