linchpin   (TTS Sound)

The linchpin has 2 Senses.

• linchpin, mainstay, backbone, lynchpin, keystone, anchor
• 中枢, 拠り所, 拠りどころ, 主柱, 基柱, バックボーン, 柱石, キーストーン, 屋台骨, 柱, 拠所, 大黒柱, 要石, 幹, 基幹, かなめ, 支柱, 大極柱
• a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
• 支持と安定性の中心結合力がある源

• linchpin, lynchpin
• pin inserted through an axletree to hold a wheel on
• 車軸を通して挿入し車輪を留めるピン