plural of air-raid shelter

plural of dead-air space

(transitive, idiomatic) To have any desire, idea, or plan that is unlikely to be realized; to imagine visionary projects or schemes; to have an idle fancy or a pipe dream; to daydream.

plural of hot-air balloon

plural of hot air balloon

A hovercraft.

Alternative form of air-cushion vehicle

(painting) in the open air, alfresco, outside, outdoors

(painting) in the open air, alfresco, outside, outdoors

plural of air-cushion vehicle