[{"word":"chalkboards","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A slate or enamel board for writing on with chalk; a predecessor to a whiteboard.","synonyms":[],"antonyms":[]}],"synonyms":["blackboard"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/chalkboard","https://en.wiktionary.org/wiki/chalkboards"]}]