noun

airspace

airspace

The plane entered restricted airspace.

The plane entered restricted airspace.

They are fighting for control of the airspace.

They are fighting for control of the airspace.

((airspace)) the air above a country The country protects its airspace.

Synonyms: sky, air

From 'air' + 'space'. The space in the air, especially the part over a country.

Think of it as the 'territory' or 'property' in the air, just like 'land space' on the ground.

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