noun ful·crum \ˈfl-krəm, ˈfəl-\

: the support on which a lever moves when it is used to lift something

plural fulcrums or ful·cra \-krə\

Full Definition of FULCRUM

a :  prop; specifically :  the support about which a lever turns
b :  one that supplies capability for action
:  a part of an animal that serves as a hinge or support

Origin of FULCRUM

Late Latin, from Latin, bedpost, from fulcire to prop — more at balk
First Known Use: 1668

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum
FULCRUMS Defined for Kids


noun ful·crum \ˈfl-krəm, ˈfəl-\
plural fulcrums or ful·cra \-krə\

Definition of FULCRUM for Kids

:  the support on which a lever turns in lifting something


Next Word in the Dictionary: fulePrevious Word in the Dictionary: fulcrateAll Words Near: fulcrum
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears