[{"word":"mainframes","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A large, powerful computer able to manage very many simultaneous tasks and communicate with very many connected terminals; used by large, complex organizations (such as banks and supermarkets) where continuously sustained operation is vital","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/mainframe","https://en.wiktionary.org/wiki/mainframes"]}]