notch
     n 1: a V-shaped indentation; "mandibular notch"
     2: the location in a range of mountains of a geological
        formation that is lower than the surrounding peaks; "we
        got through the pass before it started to snow" [syn: {pass},
         {mountain pass}]
     3: a V-shaped or U-shaped indentation carved or scratched into
        a surface; "there were four notches in the handle of his
        revolver"
     4: a small cut [syn: {nick}, {snick}]
     v 1: cut or make a notch into; "notch the rope"
     2: notch a surface to record something
Source: WordNet® 2.0