Notching

Notch·ing

Notching

n.
  1. The act of making notches; the act of cutting into small hollows.
  2. The small hollow, or hollows, cut; a notch or notches.
  3. A method of joining timbers, scantling, etc., by notching them, as at the ends, and overlapping or interlocking the notched portions. (Carp.)
  4. A method of excavating, as in a bank, by a series of cuttings side by side. See also Gulleting. (Engin.)