N (n.) A measure of space equal to half an M (or em); an en. Na (a. & adv.) No, not. See No. Nab (n.) The summit of an eminence. Nab (n.) The cock of a gunlock. Nab (n.) The keeper, or box into which the lock is shot. Nabbed (imp. & p. p.) of Nab Nab...