toothing

from The Collaborative International Dictionary of English v.0.48

Tooth \Tooth\, v. t. [imp. & p. p. {Toothed}; p. pr. & vb. n.
   {Toothing}.]
   1. To furnish with teeth.
      [1913 Webster]

            The twin cards toothed with glittering wire.
                                                  --Wordsworth.
      [1913 Webster]

   2. To indent; to jag; as, to tooth a saw.
      [1913 Webster]

   3. To lock into each other. See {Tooth}, n., 4. --Moxon.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Toothing \Tooth"ing\, n.
   1. The act or process of indenting or furnishing with teeth.
      [1913 Webster]

   2. (Masonry) Bricks alternately projecting at the end of a
      wall, in order that they may be bonded into a continuation
      of it when the remainder is carried up.
      [1913 Webster]

   {Toothing plane}, a plane of which the iron is formed into a
      series of small teeth, for the purpose of roughening
      surfaces, as of veneers.
      [1913 Webster]