Nab (năb), n. [Cf. Knap, Knop, Knob.] 1. The summit of an eminence. [Prov. Eng.] Halliwell.[1913 Webster]
2. (Firearms) The cock of a gunlock. Knight.[1913 Webster]
3. (Locksmithing) The keeper, or box into which the lock is shot. Knight.[1913 Webster]
Nab, v. t. [imp. & p. p. Nabbed (năbd); 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]