Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun airspace
2 senses of airspace
Sense 1
airspace, air space -- (the space in the atmosphere immediately above the earth)
=> space -- (an area reserved for some particular purpose; "the laboratory's floor space")
Sense 2
airspace -- (the atmosphere above a nation that is deemed to be under its jurisdiction; "the plane was refused permission to enter Chinese airspace")
=> atmosphere, air -- (the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air")