Linchpin — synonyms, definition

1. linchpin (Noun)

5 synonyms
anchor backbone keystone lynchpin mainstay
2 definitions

linchpin (Noun) — A central cohesive source of support and stability. ex. "he is the linchpin of this firm"

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

2 types of
pin support