Definitions for: Linchpin


[n] pin inserted through an axletree to hold a wheel on
[n] a central cohesive source of support and stability; "faith is his anchor"; "he is the linchpin of this firm"



Webster (1913) Definition: Linch"pin` (l[i^]nch"p[i^]n`), n. [AS. lynis the
axletree; akin to D. luns linchpin, OS. lunisa, LG. lunse, G.
l["u]nse, OHG. lun peg, bolt.]
A pin used to prevent the wheel of a vehicle from sliding off
the axletree.

Synonyms: anchor, backbone, lynchpin, lynchpin, mainstay

See Also: pin, support

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