the lofty nest of a bird of prey (such as a hawk or eagle)
characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle; "aerial fancies"; "an airy apparition"; "physical rather than ethereal forms"
characterized by lightness and insubstantiality; as impalpable or intangible as air