English noun: linchpin | |||
1. | linchpin (cognition) a central cohesive source of support and stability | ||
Samples | Faith is his anchor. The keystone of campaign reform was the ban on soft money. He is the linchpin of this firm. | ||
Synonyms | anchor, backbone, keystone, lynchpin, mainstay | ||
Broader (hypernym) | support | ||
2. | linchpin (artifact) pin inserted through an axletree to hold a wheel on | ||
Synonyms | lynchpin | ||
Broader (hypernym) | pin | ||