fulcrum

[foo l-kruh m, fuhl-] /ˈfʊl krəm, ˈfʌl-/
noun, plural fulcrums, fulcra
[foo l-kruh, fuhl-] /ˈfʊl krə, ˈfʌl-/ (Show IPA)
1.
the support, or point of rest, on which a lever turns in moving a body.
2.
any prop or support.
3.
Zoology. any of various structures in an animal serving as a hinge or support.
verb (used with object)
4.
to fit with a fulcrum; put a fulcrum on.
Origin
1665-75; < Latin: back-support of a couch, apparently for fulctrum, equivalent to fulc(īre) to hold up, support + -trum noun suffix of instrument
British Dictionary definitions for fulcrums

fulcrum

/ˈfʊlkrəm; ˈfʌl-/
noun (pl) -crums, -cra (-krə)
1.
the pivot about which a lever turns
2.
something that supports or sustains; prop
3.
a spinelike scale occurring in rows along the anterior edge of the fins in primitive bony fishes such as the sturgeon
Word Origin
C17: from Latin: foot of a couch, bedpost, from fulcire to prop up
Word Origin and History for fulcrums

fulcrum

n.

1670s, "a prop, a support" (on which a lever turns), from Latin fulcrum "bedpost," from fulcire "to prop up, support" (see balk).

fulcrums in Medicine

fulcrum ful·crum (ful'krəm, fŭl'-)
n. pl. ful·crums or ful·cra (-krə)

  1. The point or support on which a lever pivots.

  2. An anatomical structure that acts as a hinge or a point of support.

fulcrums in Science
fulcrum
  (fl'krəm)   

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.
fulcrums in Culture
fulcrum [(fool-kruhm, ful-kruhm)]

The point on which a lever is balanced when a force is exerted.