[{"word":"aerostat","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.","synonyms":[],"antonyms":[]},{"definition":"A moored balloon flown in a semi-permanent manner, such as a border patrol monitoring balloon affixed at 18,000 feet (~6 km).","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["aerodyne"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/aerostat"]}]