fulcrum(redirected from fulcrums)
Also found in: Dictionary, Thesaurus, Medical, Legal.
simple machine consisting of a bar supported at some stationary point along its length and used to overcome resistance at a second point by application of force at a third point. The stationary point of a lever is known as its fulcrum.
..... Click the link for more information. .
The rigid point of support about which a lever pivots.
1. the pivot about which a lever turns
2. a spinelike scale occurring in rows along the anterior edge of the fins in primitive bony fishes such as the sturgeon