fulcrum
Pronunciation:
/ˈfʌlk.ɹəm//ˈfʊlk.ɹəm//ˈfʌlk.ɹəm/noun
Definitions
The support about which a lever pivots.
Example: It is possible to flick food across the table using your fork as a lever and your finger as a fulcrum.
A crux or pivot; a central point.