Source : Webster's Revised Unabridged Dictionary (1913)

Prosecute \Pros"e*cute\, v. t. [imp. & p. p. {Prosecuted}; p.
   pr. & vb. n. {Prosecuting}.] [L. prosecutus, p. p. of
   prosequi to follow, pursue. See {Pursue}.]
   1. To follow or pursue with a view to reach, execute, or
      accomplish; to endeavor to obtain or complete; to carry
      on; to continue; as, to prosecute a scheme, hope, or
      claim.

            I am beloved Hermia; Why should not I, then,
            prosecute my right ?                  --Shak.

   2. To seek to obtain by legal process; as, to prosecute a
      right or a claim in a court of law.

   3. (Law) To pursue with the intention of punishing; to accuse
      of some crime or breach of law, or to pursue for redress
      or punishment, before a legal tribunal; to proceed against
      judicially; as, to prosecute a man for trespass, or for a
      riot.

            To acquit themselves and prosecute their foes.
                                                  --Milton.

Prosecute \Pros"e*cute\, v. i.
   1. To follow after. [Obs.] --Latimer.

   2. (Law) To institute and carry on a legal prosecution; as,
      to prosecute for public offenses. --Blackstone.

Source : WordNet®

prosecute
     v 1: conduct a prosecution in a court of law
     2: bring a criminal action against (in a trial); "The State of
        California prosecuted O.J. Simpson" [ant: {defend}]
     3: carry out or participate in an activity; be involved in;
        "She pursued many activities"; "They engaged in a
        discussion" [syn: {engage}, {pursue}]