nol·le pros·e·qui 
(nŏl′ē prŏsĭ-kwī′, -kwē′)
(nŏl′ē prŏsĭ-kwī′, -kwē′)n. Abbr. nol. pros.
A declaration that the plaintiff in a civil case or the prosecutor in a criminal case will drop prosecution of all or part of a suit or indictment.
[Latin nōlle prōsequī, to be unwilling to pursue : nōlle, to be unwilling + prōsequī, to pursue.]