Source : Webster's Revised Unabridged Dictionary (1913)

Ham \Ham\, n. [AS. ham; akin to D. ham, dial. G. hamme, OHG.
   hamma. Perh. named from the bend at the ham, and akin to E.
   chamber. Cf. {Gammon} ham.]
   1. (Anat.) The region back of the knee joint; the popliteal
      space; the hock.

   2. The thigh of any animal; especially, the thigh of a hog
      cured by salting and smoking.

            A plentiful lack of wit, together with most weak
            ham.                                  --Shak.

Ham \Ham\, n.
   Home. [North of Eng.] --Chaucer.

Source : WordNet®

ham
     v : exaggerate one's acting [syn: {overact}, {ham it up}, {overplay}]
         [ant: {underact}]
     [also: {hamming}, {hammed}]

ham
     n 1: meat cut from the thigh of a hog (usually smoked) [syn: {jambon},
           {gammon}]
     2: (Old Testament) son of Noah
     3: a licensed amateur radio operator
     4: an unskilled actor who overacts [syn: {ham actor}]
     [also: {hamming}, {hammed}]