[{"word":"tailfin","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A fin at the tail of a fish, caudal fin","synonyms":[],"antonyms":[]},{"definition":"A fin on the tail of an aircraft, vertical stabilizer","synonyms":[],"antonyms":[]},{"definition":"A fin-like projection at the rear of a car, common on American cars of the 1950s.","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/tailfin"]}]