The Collaborative International Dictionary of English v.0.48:

Palm \Palm\ (p[aum]m), v. t. [imp. & p. p. Palmed (p[aum]md);
   p. pr. & vb. n. Palming.]
   1. To handle. [Obs.] --Prior.
      [1913 Webster]

   2. To manipulate with, or conceal in, the palm of the hand;
      to juggle.
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            They palmed the trick that lost the game. --Prior.
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   3. Hence: To take (something small) stealthily, especially by
      concealing it in the palm of the hand; as, he palmed one
      of the coins and walked out with it.
      [PJC]

   4. To impose by fraud, as by sleight of hand; to put by
      unfair means; -- usually with on or upon; as, to palm a
      stolen coin on an unsuspecting dealer. See also palm
      off.
      [1913 Webster +PJC]

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