linchpin
1linchpin — linch‧pin [ˈlɪntʆˌpɪn] also lynchpin noun [singular] the most important thing or person in a system, plan etc, which everything else depends on: • The consumer is the linchpin of the economy. * * * linchpin UK US (also lynchpin) /ˈlɪntʃpɪn/ nou …
2linchpin — [linch′pin΄] n. [ME lynspin < lyns (< OE lynis, linchpin, akin to Ger lünse < IE base * (e)lei to bend > ELL2, Sans āṇíh, linchpin) + pin, PIN] 1. a pin that goes through the end of an axle outside the wheel to keep the wheel from… …
3Linchpin — 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. [1913 Webster] …
4linchpin — also linch pin, late 14c., earlier linspin, from M.E. lins axletree (see LINCH (Cf. linch)) + PIN (Cf. pin) (n.). The peg that holds a wheel on an axle; now mainly figurative …
5linchpin — originally a pin put through the end of an axle to keep the wheel in position, is mostly used in its figurative sense ‘an indispensable person or thing’. It is spelt linch in preference to lynch , and as one word …
6linchpin — (also lynchpin) ► NOUN 1) a pin through the end of an axle keeping a wheel in position. 2) an indispensable person or thing. ORIGIN Old English …
7linchpin — UK [ˈlɪntʃpɪn] / US [ˈlɪntʃˌpɪn] noun [countable] Word forms linchpin : singular linchpin plural linchpins a person or thing that is essential to a group, organization, system, or plan linchpin of: Nurses are the linchpin of our healthcare system …
8linchpin — also lynchpin noun Etymology: Middle English lynspin, from lyns linchpin (from Old English lynis) + pin; akin to Middle High German luns linchpin Date: 13th century 1. a locking pin inserted crosswise (as through the end of an axle or shaft) 2.… …
9Linchpin — A linchpin or lynchpin is a metal part used in mechanical engineering to prevent a wheel or other rotating part from sliding off the axle it is riding on. It is named after Nathaniel Lynch, the English mechanic who first patented its use [cite… …
10linchpin — linch|pin [ lıntʃ,pın ] noun count a person or thing that is essential to a group, organization, system, or plan: linchpin of: Nurses are the linchpin of our healthcare system …