|1.||[ noun ] a central cohesive source of support and stability|
|Synonyms:||backbone anchor lynchpin keystone linchpin|
"faith is his anchor" "the keystone of campaign reform was the ban on soft money" "he is the linchpin of this firm"
|Related terms:||support anchor|
|2.||[ noun ] a prominent supporter|
"he is a pillar of the community"
|3.||[ noun ] (nautical) the forestay that braces the mainmast|