air space

American  

Also airspace

noun

1. a space occupied by air.

2. the amount of breathing air in a room or other enclosed space.

3. the region of the atmosphere above a municipality, state, or nation, over which it has jurisdiction.

4. the region of the atmosphere above a plot of ground, to which the owner has rights or access.

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Etymology

Origin of air space

First recorded in 1900–05

Example Sentences

—In Asia, airline stocks suffered steep losses in Asia as various carriers announced flight suspensions due to air space closures.

From The Wall Street Journal • Mar. 2, 2026

Guinea-Bissau's air space, as well as land and sea borders, will be closed all day Sunday.

From Barron's • Nov. 23, 2025

There have been other wildfires that drew as many aircraft, particularly some of the enormous rural fires in the northern part of the state, Karpus said, but never in such congested urban air space.

From Los Angeles Times • Jan. 15, 2025

Court records suggest that Zhou was aware that flying into the base’s air space was forbidden.

From Los Angeles Times • Dec. 11, 2024

And beyond the parapet of the terrace was the air space over Forty-fourth Street.

From "Slaughterhouse-Five" by Kurt Vonnegut