[{"word":"lynchpins","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.","synonyms":[],"antonyms":[]},{"definition":"A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.","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/linchpin","https://en.wiktionary.org/wiki/lynchpin","https://en.wiktionary.org/wiki/lynchpins"]}]