- 1A pin passed through the end of an axle to keep a wheel in position.More example sentences
- He put the wheel back and secured it with a new linchpin, which he carved from a piece of wood.
- 2A person or thing vital to an enterprise or organization: regular brushing is the linchpin of all good dental hygieneMore example sentences
- Nurses will be the linchpin to the Government's grandiose plans to modernise and improve the National Health Service, one of their leaders says.
- But at the same time, she said that these memos, which after all was the lynchpin, the core of your broadcast, were not real.
- The diversity and broad appeal that had been the linchpin of its success now drained away like vital oil.
late Middle English: from Old English lynis (in the sense 'linchpin') + pin.
More definitions of linchpinDefinition of linchpin in:
- The British & World English dictionary