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Definition of Linchpin
1. Noun. A central cohesive source of support and stability. "He is the linchpin of this firm"
Generic synonyms: Support
Derivative terms: Anchor
2. Noun. Pin inserted through an axletree to hold a wheel on.
Definition of Linchpin
1. n. A pin used to prevent the wheel of a vehicle from sliding off the axletree.
Definition of Linchpin
1. Noun. a pin inserted through holes at the end of an axle, so as to secure a wheel ¹
2. Noun. (figuratively) a central cohesive source of stability and security; a person or thing that is critical to a system or organisation. ¹
¹ Source: wiktionary.com
Definition of Linchpin
1. a locking pin inserted in the end of a shaft [n -S]
Lexicographical Neighbors of Linchpin
Literary usage of Linchpin
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Boy Travellers in Great Britain and Ireland: Adventures of Two Youths in by Thomas Wallace Knox (1891)
"TEN MILES WITHOUT A linchpin.—A WAGER AND ITS RESULT.—"THE TWELVE APOSTLES."
ON their last evening at Killarney our friends made the acquaintance of a ..."
2. The Emporium of Arts and Sciences by John Redman Coxe (1812)
"5, is the linchpin detached ; it is put through an oblong hole in the axle as
usual, but there is likewise an additional linchpin ft, to make it complete, ..."
3. A French-English Military Technical Dictionary by Cornélis De Witt Willcox (1899)
"linchpin and ring; d'essieu A coiffe, linchpin with a cap: de gourmette, (liant,
... () ressort, spring linchpin. • •ssi-ii «•. f., adz; sort of hammer, ..."