Source : Webster's Revised Unabridged Dictionary (1913)

Thread \Thread\, v. t. [imp. & p. p. {Threaded}; p. pr. & vb. n.
   {Threading}.]
   1. To pass a thread through the eye of; as, to thread a
      needle.

   2. To pass or pierce through as a narrow way; also, to effect
      or make, as one's way, through or between obstacles; to
      thrid.

            Heavy trading ships . . . threading the Bosphorus.
                                                  --Mitford.

            They would not thread the gates.      --Shak.

   3. To form a thread, or spiral rib, on or in; as, to thread a
      screw or nut.

Source : Free On-Line Dictionary of Computing

threading
     
        {thread}