[{"word":"racetrack","phonetic":"/ˈɹeɪsˌtɹæk/","phonetics":[{"text":"/ˈɹeɪsˌtɹæk/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A course over which any type of races are run.","synonyms":[],"antonyms":[]},{"definition":"A characteristic circular erosion pattern in deposition processes.","synonyms":[],"antonyms":[]}],"synonyms":["circuit","racecourse","velodrome"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/racetrack"]}]