toothing

/T UW1 DH IH0 NG/
verb
  1. 1

    To provide or furnish with teeth.

  2. 2

    To indent; to jag.

    โ€œto tooth a sawโ€

  3. 3

    To lock into each other, like gear wheels.

noun
  1. 1

    The act or process of indenting or furnishing with teeth.

  2. 2

    Bricks alternately projecting at the end of a wall, in order to be bonded into a continuation of it when the remainder is carried up.

Source: https://en.wiktionary.org/wiki/tooth, https://en.wiktionary.org/wiki/toothing