Lynchpin

1 definition found

From WordNet (r) 2.0 [wn]:

  lynchpin
       n 1: 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"
            [syn: {anchor}, {mainstay}, {keystone}, {backbone}, {linchpin}]
       2: pin inserted through an axletree to hold a wheel on [syn: {linchpin}]