The Collaborative International Dictionary of English v.0.48:

Pocket \Pock"et\, v. t. [imp. & p. p. Pocketed; p. pr. & vb.
   n. Pocketing.]
   1. To put, or conceal, in the pocket; as, to pocket the
      change.
      [1913 Webster]

            He would pocket the expense of the license.
                                                  --Sterne.
      [1913 Webster]

   2. To take clandestinely or fraudulently.
      [1913 Webster]

            He pocketed pay in the names of men who had long
            been dead.                            --Macaulay.
      [1913 Webster]

   To pocket a ball (Billiards), to drive a ball into a pocket
      of the table.

   To pocket an insult, affront, etc., to receive an affront
      without open resentment, or without seeking redress. "I
      must pocket up these wrongs." --Shak.
      [1913 Webster]