[{"word":"airspace","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"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.","synonyms":[],"antonyms":[],"example":"Various European countries transferred the aviation control of their adjoining airspace to Eurocontrol, while each retaining legal jurisdiction."},{"definition":"That part of the sky designated for the sole use of aircraft.","synonyms":[],"antonyms":[]},{"definition":"Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.","synonyms":[],"antonyms":[],"example":"The legalisation of free radios caused a bitter fight for airspace."},{"definition":"The portion of an enclosed area which contains air, especially breathable air.","synonyms":[],"antonyms":[]},{"definition":"The cavity in a cavity wall containing air for insulation.","synonyms":[],"antonyms":[]}],"synonyms":["jurisdictional","sky","sky","territorial"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/airspace"]}]