Nab \Nab\, v. t. [imp. & p. p. {Nabbed} (n[a^]bd); p. pr. & vb. n. {Nabbing}.] [Dan nappe, or Sw. nappa.] 1. To catch or seize suddenly or unexpectedly. [Colloq.] --Smollett. [1913 Webster] 2. To capture; to arrest; as, the police nabbed the culprit wtrying to hide in the basement. [PJC]