Third-person singular simple present indicative form of walk on air

simple past tense and past participle of walk on air

plural of air bearing

plural of air drain

(construction) An ample space left at the foot of foundation walls for the sake of dryness.

plural of air quote

Built upon air; lacking a solid foundation.

plural of air knife

A device with a series of holes or slots through which pressurized air exits in a laminar flow pattern, typically used to blow liquid or debris from products as they travel on conveyors.

(derogatory) Behaviour adopted (originally) to demonstrate one's good upbringing; or (now) one's superiority; pretentious or snobbish behaviour.