[{"word":"blackboards","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To use a blackboard to assist in an informal discussion.","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/blackboard","https://en.wiktionary.org/wiki/blackboards"]}]