lever

lever

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lev·er    Audio Help   (lěv'ər, lē'vər)   

n.  
  1. A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force, as in raising or moving a weight at one end by pushing down on the other.

  2. A projecting handle used to adjust or operate a mechanism.

  3. A means of accomplishing; a tool: used friendship as a lever to obtain advancement.

tr.v.   lev·ered, lev·er·ing, lev·ers
To move or lift with or as if with a lever.

[Middle English, from Old French levier, from lever, to raise, from Latin levāre, from levis, light; see legwh- in Indo-European roots.]
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The American Heritage® Dictionary of the English Language, Fourth Edition
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