- the support, or point of rest, on which a lever turns in moving a body.
- any prop or support.
- any of various structures in an animal serving as a hinge or support.
- to fit with a fulcrum; put a fulcrum on.
- 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
