Added 10 October 2026
airspace
noun
noun Definition from Wiktionary (CC BY-SA). More about airspace at Wordnik → Where our words come from →
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A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
Various European countries transferred the aviation control of their adjoining airspace to Eurocontrol, while each retaining legal jurisdiction.
- That part of the sky designated for the sole use of aircraft.
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Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
The legalisation of free radios caused a bitter fight for airspace.