[{"word":"rollerballs","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.","synonyms":[],"antonyms":[]},{"definition":"A trackball.","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/rollerball","https://en.wiktionary.org/wiki/rollerballs"]}]