Entry 5 senses · 3 variants Webster, 1913 Slit /slĭt/ · IPA /ˈslɪt/ 3d. pers. sing. pres. v. t. n. 01 3d. pers. sing. pres. 3d. pers. sing. pres. of Slide. 1. 3d. pers. sing. pres. of Slide.obs. See: Slide 02 v. t. To cut lengthwise; to cut into long pieces or strips; as, to slit iron bars into nail rods; to slit leather into straps. imp. & p. p. Slit; p. pr. & vb. n. Slitting 1. To cut lengthwise; to cut into long pieces or strips; as, to slit iron bars into nail rods; to slit leather into straps. 2. To cut or make a long fissure in or upon; as, to slit the ear or the nose. 3. To cut; to sever; to divide.[Obs.] “And slits the thin-spun life.” — Milton. 03 n. A long cut; a narrow opening; as, a slit in the ear. 1. A long cut; a narrow opening; as, a slit in the ear. Phrases & compounds Gill slit — See Gill opening, under Gill.