Source : Webster's Revised Unabridged Dictionary (1913)

Patch \Patch\, v. t. [imp. & p. p. {Patched}; p. pr. & vb. n.
   {Patching}.]
   1. To mend by sewing on a piece or pieces of cloth, leather,
      or the like; as, to patch a coat.

   2. To mend with pieces; to repair with pieces festened on; to
      repair clumsily; as, to patch the roof of a house.

   3. To adorn, as the face, with a patch or patches.

            Ladies who patched both sides of their faces.
                                                  --Spectator.

   4. To make of pieces or patches; to repair as with patches;
      to arrange in a hasty or clumsy manner; -- generally with
      up; as, to patch up a truce. ``If you'll patch a
      quarrel.'' --Shak.

Source : WordNet®

patching
     n : the act of mending a hole in a garment by sewing a patch
         over it