VariousWords beta
Definitions:
Noun
anchor
mainstay
keystone
backbone
linchpin
lynchpin
Definition: 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"
Definition: A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.