[{"word":"polytunnels","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment.","synonyms":[],"antonyms":[]}],"synonyms":["polyhouse"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/polytunnel","https://en.wiktionary.org/wiki/polytunnels"]}]