Source : Webster's Revised Unabridged Dictionary (1913)

Jointing \Joint"ing\, n.
   The act or process of making a joint; also, the joints thus
   produced.

   {Jointing machine}, a planing machine for wood used in
      furniture and piano factories, etc.

   {Jointing plane}. See {Jointer}, 2.

   {Jointing rule} (Masonry), a long straight rule, used by
      bricklayers for securing straight joints and faces.

Source : WordNet®

jointing plane
     n : a long carpenter's plane used to shape the edges of boards
         so they will fit together [syn: {jointer}, {jointer plane},
          {long plane}]