[{"word":"octagon","phonetics":[{"audio":"https://api.dictionaryapi.dev/media/pronunciations/en/octagon-ca.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=46605262"},{"text":"/ˈɒktəɡ(ə)n/","audio":""},{"text":"/ˈɑktəˌɡɑn/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/octagon-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=93666517"}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A polygon with eight sides and eight angles.","synonyms":[],"antonyms":[]},{"definition":"Often in the form Octagon: the arena for mixed martial arts.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/octagon"]}]