Lynchpin — synonyms, definition

1. lynchpin (Noun)

5 synonyms
anchor backbone keystone linchpin mainstay
2 definitions

lynchpin (Noun) — A central cohesive source of support and stability. ex. "faith is his lynchpin"

lynchpin (Noun) — Pin inserted through an axletree to hold a wheel on.

2 types of
pin support