The Collaborative International Dictionary of English v.0.48:

Lance \Lance\, v. t. [imp. & p. p. Lanced; p. pr. & vb. n.
   Lancing.]
   1. To pierce with a lance, or with any similar weapon.
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            Seized the due victim, and with fury lanced
            Her back.                             --Dryden.
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   2. To open with a lancet; to pierce; as, to lance a vein or
      an abscess.
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   3. To throw in the manner of a lance. See Lanch.
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