The Collaborative International Dictionary
Non-pros
Non-pros \Non`-pros"\, v. t. [imp. & p. p. Nonprossed; p. pr. & vb. n. Non-prossing.] To decline or fail to prosecute; to allow to be dropped (said of a suit); to enter judgment against (a plaintiff who fails to prosecute); as, the plaintiff was non-prossed.
Wiktionary
non-pros
vb. 1 To decline or fail to prosecute; to allow (a lawsuit) to be dropped. 2 To enter judgement against (a plaintiff who fails to prosecute).