Source : Webster's Revised Unabridged Dictionary (1913)

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.

            Eliminate my spirit, give it range Through provinces
            of thought yet unexplored.            --Young.

   2. (Alg.) To cause to disappear from an equation; as, to
      eliminate an unknown quantity.

   3. To set aside as unimportant in a process of inductive
      inquiry; to leave out of consideration.

            Eliminate errors that have been gathering and
            accumulating.                         --Lowth.

   4. To obtain by separating, as from foreign matters; to
      deduce; as, to eliminate an idea or a conclusion. [Recent,
      and not well authorized]

   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.

Source : WordNet®

eliminate
     v 1: terminate or take out; "Let's eliminate the course on
          Akkadian hieroglyphics" [syn: {get rid of}, {do away
          with}]
     2: do away with [syn: {obviate}, {rid of}] [ant: {necessitate}]
     3: kill in large numbers; "the plague wiped out an entire
        population" [syn: {annihilate}, {extinguish}, {eradicate},
         {wipe out}, {decimate}, {carry off}]
     4: dismiss from consideration; "John was ruled out as a
        possible suspect because he had a strong alibi"; "This
        possibility can be eliminated from our consideration"
        [syn: {rule out}, {reject}]
     5: eliminate from the body; "Pass a kidney stone" [syn: {excrete},
         {egest}, {pass}]
     6: remove from a contest or race; "The cyclist has eliminated
        all the competitors in the race"
     7: remove (an unknown variable) from two or more equations