Source : Webster's Revised Unabridged Dictionary (1913)

Branching \Branch"ing\, n.
   The act or state of separation into branches; division into
   branches; a division or branch.

         The sciences, with their numerous branchings. --L.
                                                  Watts.

Branch \Branch\, v. i. [imp. & p. p. {Branched}; p. pr. & vb. n.
   {Branching}.]
   1. To shoot or spread in branches; to separate into branches;
      to ramify.

   2. To divide into separate parts or subdivision.

   {To branch off}, to form a branch or a separate part; to
      diverge.

   {To branch out}, to speak diffusively; to extend one's
      discourse to other topics than the main one; also, to
      enlarge the scope of one's business, etc.

            To branch out into a long disputation. --Spectator.

Branching \Branch"ing\, a.
   Furnished with branches; shooting our branches; extending in
   a branch or branches.

         Shaded with branching palm.              --Milton.

Source : WordNet®

branching
     adj 1: having branches [syn: {branched}, {ramose}, {ramous}, {ramate}]
     2: resembling the branches of a tree
     n : the act of branching out or dividing into branches [syn: {ramification},
          {fork}, {forking}]