Meaning of linchpin in English
Noun
linchpinEtymology
late Middle English: from Old Englishlynis (in the sense ‘linchpin’) + pinDefinitions
1. a central cohesive source of support and stabilityExamples
- « faith is his anchor »
- « the keystone of campaign reform was the ban on soft money »
- « he is the linchpin of this firm »
- 2. pin inserted through an axletree to hold a wheel on