Linchpin vs. Lynchpin

Linchpinnoun

A pin inserted through holes at the end of an axle, so as to secure a wheel.

Linchpinnoun

(figuratively) A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.

Linchpinnoun

A pin used to prevent the wheel of a vehicle from sliding off the axletree.

Linchpinnoun

a central cohesive source of support and stability;

Linchpinnoun

pin inserted through an axletree to hold a wheel on

Linchpinnoun

a person or thing vital to an enterprise or organization

Linchpinnoun

a pin passed through the end of an axle to keep a wheel in position.

Linchpin

A linchpin, also spelled linch pin, lynchpin, or lynch pin, is a fastener used to prevent a wheel or other part from sliding off the axle upon which it is riding. The word is first attested in the late fourteenth century and derives from Middle English elements meaning .Securing implements onto the three-point hitch of a tractor is an example of application.

Lynchpinnoun

a central cohesive source of support and stability;

Lynchpinnoun

pin inserted through an axletree to hold a wheel on