- A pivot point around which a lever turns is an example of a fulcrum.
- A person around whom all activity revolves is an example of the fulcrum.
nounpl. -·crums or -·cra
- the support or point of support on which a lever turns in raising or moving something
- Zool. any structure that supports or acts like a fulcrum
- a means of exerting influence, pressure, etc.
Origin of fulcrumL, bedpost, support, akin to fulcire: see balk
nounpl. ful·crums, or ful·cra
- The point or support on which a lever pivots.
- Zoology An anatomical structure that acts as a hinge or a point of support.
- An agent through which vital powers are exercised.
Origin of fulcrumLatin bedpost from fulcīre to support
relative position of the fulcrum in three basic types of levers, with arrows indicating the direction of the effort and the downward force of the load
From Latin fulcrum (“bedpost, foot of a couch”), from fulciō (“prop up, support”).