The Collaborative International Dictionary of English v.0.48:

Eliminate \E*lim"i*nate\, v. t. [imp. & p. p. Eliminated; p.
   pr. & vb. n. Eliminating.] [L. eliminatus, p. p. of
   eliminare; e out + limen threshold; prob. akin to limes
   boundary. See Limit.]
   1. To put out of doors; to expel; to discharge; to release;
      to set at liberty.
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            Eliminate my spirit, give it range
            Through provinces of thought yet unexplored.
                                                  --Young.
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   2. (Alg.) To cause to disappear from an equation; as, to
      eliminate an unknown quantity.
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   3. To set aside as unimportant in a process of inductive
      inquiry; to leave out of consideration.
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            Eliminate errors that have been gathering and
            accumulating.                         --Lowth.
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   4. To obtain by separating, as from foreign matters; to
      deduce; as, to eliminate an idea or a conclusion. [Recent,
      and not well authorized]
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   5. (Physiol.) To separate; to expel from the system; to
      excrete; as, the kidneys eliminate urea, the lungs
      carbonic acid; to eliminate poison from the system.
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