linchpin

1. (noun) a pin inserted through an axletree to hold a wheel on
Synonyms: lynchpin
Related Words: pin

2. (noun) a central cohesive source of support and stability: "faith is his anchor"; "he is the linchpin of this firm"
Synonyms: anchor, backbone, lynchpin, mainstay
Related Words: support



Terms and Conditions of Use / Copyright Notice