noun, plural ful·crums, ful·cra [foo l-kruh, fuhl-] /ˈfʊl krə, ˈfʌl-/.
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.
verb (used with object)
to fit with a fulcrum; put a fulcrum on.
Origin of fulcrum
1665–75; < Latin: back-support of a couch, apparently for fulctrum, equivalent to fulc(īre) to hold up, support + -trum noun suffix of instrument
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for fulcrablueprint
Examples from the Web for fulcra
Historical Examples of fulcra
British Dictionary definitions for fulcra
noun plural -crums or -cra (-krə)
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
C17: from Latin: foot of a couch, bedpost, from fulcire to prop up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for fulcra
1670s, "a prop, a support" (on which a lever turns), from Latin fulcrum "bedpost," from fulcire "to prop up, support" (see balk).
Online Etymology Dictionary, © 2010 Douglas Harper
n. pl. ful•crums
The point or support on which a lever pivots.
An anatomical structure that acts as a hinge or point of support.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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 American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The point on which a lever is balanced when a force is exerted.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.