'aeriform' definitions:

Definition of 'aeriform'

(from WordNet)
adjective
Resembling air or having the form of air [syn: aeriform, airlike]
adjective
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" [syn: aeriform, aerial, airy, aery, ethereal]