- the support, or point of rest, on which a lever turns in moving a body.
- any prop or support.
- Zoology. any of various structures in an animal serving as a hinge or support.
- to fit with a fulcrum; put a fulcrum on.
Origin of fulcrum
Related Words for fulcrablueprint, core, indicator, code, means, sign, clue, passport, ticket, password, guide, fulcrum, center, house, spot, site, place, post, backing, index
Examples from the Web for fulcra
Historical Examples of fulcra
The fins often, as in Polypterus, have spines (fulcra) attached to their anterior borders.The Vertebrate Skeleton
Sidney H. Reynolds
Their position outside the fulcra shows that this explanation is impossible.The Appendages, Anatomy, and Relationships of Trilobites
Percy Edward Raymond
- the pivot about which a lever turns
- something that supports or sustains; prop
- a spinelike scale occurring in rows along the anterior edge of the fins in primitive bony fishes such as the sturgeon
Word Origin for fulcrum
1670s, "a prop, a support" (on which a lever turns), from Latin fulcrum "bedpost," from fulcire "to prop up, support" (see balk).
- The point or support on which a lever pivots.
- An anatomical structure that acts as a hinge or point of support.
- The point or support on which a lever turns. The position of the fulcrum, relative to the positions of the load and effort, determines the type of lever.
The point on which a lever is balanced when a force is exerted.