Fulcrums

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Fulcrum \Ful"crum\, n.; pl. L. {Fulcra}, E. {Fulcrums}. [L.,
     bedpost, fr. fulcire to prop.]
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     1. A prop or support.
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     2. (Mech.) That by which a lever is sustained, or about which
        it turns in lifting or moving a body.
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     3. (Bot.) An accessory organ such as a tendril, stipule,
        spine, and the like. [R.] --Gray.
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     4. (Zool.)
        (a) The horny inferior surface of the lingua of certain
            insects.
        (b) One of the small, spiniform scales found on the front
            edge of the dorsal and caudal fins of many ganoid
            fishes.
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     5. (Anat.) The connective tissue supporting the framework of
        the retina of the eye.
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