fulcrum

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ful·crum

, pl.

ful·cra

,

ful·crums

(ful'krŭm, -kră, -krŭmz),
A support or the point thereon on which a lever turns.
[L. a bedpost, fr. fulcio, to prop up]

fulcrum

(fo͝ol′krəm, fŭl′-)
n. pl. ful·crums or ful·cra (-krə)
Zoology An anatomical structure that acts as a hinge or a point of support.

ful·crum

, pl. fulcra, pl. fulcrums (ful'krŭm, -kră, -krŭmz)
A support or the point thereon on which a lever turns.

ful·crum

, pl. fulcra, pl. fulcrums (ful'krŭm, -kră, -krŭmz)
1. Point of stabilization for instrumentation with the ring finger.
2. A support or the point thereon on which a lever turns.