nol·le pro·se·qui /ˌnɑliˈprɑsəˌkwaɪ/
  Nol·le pros·e·qui  Law Will not prosecute; -- an entry on the record, denoting that a plaintiff discontinues his suit, or the attorney for the public a prosecution; either wholly, or as to some count, or as to some of several defendants.
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  nolle prosequi
       n : an entry in the court record to the effect that the
           plaintiff or prosecutor will not proceed [syn: nol pros]
       v : declare that a legal case will not be prosecuted [syn: nolle
           pros, nol. pros.]