Of air; of the nature of air; aerial.

Composed of air. Hence: having the consistency or appearance of air; airlike, immaterial.

Of or belonging to the air; aerial, airlike. Now rare.

Placed high in the air, lofty. Also: of the nature of air. Obsolete.

Associated with or having the nature of air, considered as one of the four elements (element, n. 1a); aerial.

Of the nature of air.