lynchpin definition

  • noun:
    • Variant of linchpin.
    • a pin placed through holes at the end of an axle, to be able to secure a wheel
    • a central cohesive source of security and safety; people or thing that's critical to something or organization.
    • pin placed through an axletree to keep a wheel on
    • a central cohesive way to obtain assistance and security

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    • An unnamed Saudi adviser tells CNN…
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