[{"word":"hairspring","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A spring, made of a coil of fine wire, that is used to regulate the movement of a balance wheel in a watch.","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/hairspring"]}]