CHAMFER • E-FREE TRANSLATION.COM • Definition of Chamfer

... outline of the implement is quite elaborate and symmetrical, resembling at the hook end a fiddle-head, and widening continuously by lateral and facial curves to the front, where it is thin and flat. A slight rounded notch for the thumb, and a longer chamfer for three fingers, form the handle. Marks 5 and 6 are wanting. The cavity for the index finger extends quite through the implement, as it does in all cases where it is on the side of the harpoon-shaft groove, and not directly under it. The shaft ...

— Throwing-sticks in the National Museum • Otis T. Mason