🇬🇧 en de 🇩🇪

linchpin noun

  /ˈlɪnt͡ʃˌpɪn/
  • A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.
 Achsnagel, Lünse
  • (figuratively) A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.
 Angelpunkt
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