linchpin

linch·pin or lynch·pin  (lnchpn)

n.

1. A locking pin inserted in the end of a shaft, as in an axle, to prevent a wheel from slipping off.

2. A central cohesive element: Reduced spending is the linchpin of their economic program.

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[Middle English linspin : lins, linchpin (from Old English lynis) + pin, pin (from Old English pinn; see pin).]

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linchpin or lynchpin

Noun

1. a pin inserted through an axle to keep a wheel in position

2. an essential person or thing: she was the linchpin of the experiment [Old English lynis]

Thesaurus

Noun	1.	linchpin - 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" backbone, keystone, lynchpin, mainstay, anchor support - something providing immaterial assistance to a person or cause or interest; "the policy found little public support"; "his faith was all the support he needed"; "the team enjoyed the support of their fans"
	2.	linchpin - pin inserted through an axletree to hold a wheel on lynchpin pin - a small slender (often pointed) piece of wood or metal used to support or fasten or attach things

Translations

linchpin [ˈlɪntʃpɪn] n → pezonera;

(fig) → eje m

linchpin [ˈlɪntʃpɪn] n → esse f (fig); pivot m

linchpin [ˈlɪntʃpɪn] n (fig) → wichtigste Stütze f

linchpin [ˈlɪntʃpɪn] n → acciarino, bietta;

(fig) → perno