'Non-pros' definitions:

Definition of 'Non-pros'

From: GCIDE

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. [1913 Webster]