(politics, aviation) A specifiedportion 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
(broadcasting) Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequencyband.The legalisation of free radios caused a bitter fight for airspace.
The portion of an enclosed area which contains air, especially breathable air.