(a)aerialexisting or living or growing or operating in the air“aerial roots of a philodendron”, “aerial particles”, “small aerial creatures such as butterflies”, “aerial warfare”, “aerial photography”, “aerial cable cars”
(s)aeriform, aerial, airy, aery, etherealcharacterized 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”