the most important member of a group or part of a system, that holds together the other members or parts or makes it possible for them to operate as intended:

]]>https://definedictionarymeaning.com/topic/248866/linchpinsRSS for NodeSun, 14 Jun 2026 06:54:54 GMTSun, 14 Nov 2021 14:25:58 GMT60a person or thing that is the most important part of a group or system’s operation:

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