[{"word":"tailbacks","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A line of motor vehicles causing or the result of traffic congestion or a traffic jam; backup.","synonyms":[],"antonyms":[]},{"definition":"A running back or halfback who lines up furthest to the rear in an I formation.","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/tailback","https://en.wiktionary.org/wiki/tailbacks"]}]