Source : Webster's Revised Unabridged Dictionary (1913)

Palm \Palm\, v. t. [imp. & p. p. {Palmed}; p. pr. & vb. n.
   {Palming}.]
   1. To handle. [Obs.] --Prior.

   2. To manipulate with, or conceal in, the palm of the hand;
      to juggle.

            They palmed the trick that lost the game. --Prior.

   3. To impose by fraud, as by sleight of hand; to put by
      unfair means; -- usually with off.

            For you may palm upon us new for old. --Dryden.