(idiomatic) To speak a stream of bad language; to curse and swear.

(idiomatic) From nowhere or nothing; from a non-existent or unknown source.

A person whose responsibility was to defend a particular building during an air raid, ensure the blackout was complete, and assist civilians to an air-raid shelter.

A museum where the exhibitions are located outdoors.

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.