[{"word":"runningbacks","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An offensive back whose primary job is to be the ballcarrier.","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/running%20back","https://en.wiktionary.org/wiki/runningback","https://en.wiktionary.org/wiki/runningbacks"]}]