Nab /(năb)/

Nab

n.
  1. The summit of an eminence. [Prov. Eng.]
  2. The cock of a gunlock. (Firearms)
  3. The keeper, or box into which the lock is shot. (Locksmithing)

Nab

v. t.

imp. & p. p. Nabbed; p. pr. & vb. n. Nabbing

  1. To catch or seize suddenly or unexpectedly. [Colloq.]
  2. To capture; to arrest; as, the police nabbed the culprit wtrying to hide in the basement.