Definitions for linchpin

Definitions for (noun) linchpin

Main entry: linchpin, lynchpin

Definition: pin inserted through an axletree to hold a wheel on

Main entry: lynchpin, mainstay, keystone, linchpin, backbone, anchor

Definition: a central cohesive source of support and stability

Usage: faith is his anchor; the keystone of campaign reform was the ban on soft money; he is the linchpin of this firm

Visual thesaurus for linchpin