Definition: pin inserted through an axletree to hold a wheel on
Similar words: pin
Definition: a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
Synonyms: 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
Similar words: support
Definition: something providing immaterial assistance to a person or cause or interest
Usage: the policy found little public support; his faith was all the support he needed; the team enjoyed the support of their fans