aery
1. [ noun ] the lofty nest of a bird of prey (such as a hawk or eagle)
Synonyms: eyrie eyry aerie
Related terms: bird's_nest
2. [ adjective ] characterized by lightness and insubstantiality; as impalpable or intangible as air
Synonyms: ethereal aerial airy aeriform
Examples:

"figures light and aeriform come unlooked for and melt away"- Thomas Carlyle "aerial fancies" "an airy apparition" "physical rather than ethereal forms"

Related terms: insubstantial
3. [ noun ] (geography) any habitation at a high altitude
Synonyms: eyrie eyry aerie
Related terms: habitation