Source : Webster's Revised Unabridged Dictionary (1913)

Dudgeon \Dudg"eon\, a.
   Homely; rude; coarse. [Obs.]

         By my troth, though I am plain and dudgeon, I would not
         be an ass.                               --Beau. & Fl.

Dudgeon \Dudg"eon\, n.
   1. The root of the box tree, of which hafts for daggers were
      made. --Gerarde (1597).

   2. The haft of a dagger. --Shak.

   3. A dudgeon-hafted dagger; a dagger. --Hudibras.

Dudgeon \Dudg"eon\, n. [W. dygen anger, grudge.]
   Resentment; ill will; anger; displeasure.

         I drink it to thee in dudgeon and hostility.

         Sir T. Scott.

Source : WordNet®

dudgeon
     n : a feeling of intense indignation (now used only in the
         phrase `in high dudgeon') [syn: {high dudgeon}]