Source : Webster's Revised Unabridged Dictionary (1913)

Pill \Pill\, n. [Cf. {Peel} skin, or {Pillion}.]
   The peel or skin. [Obs.] ``Some be covered over with crusts,
   or hard pills, as the locusts.'' --Holland.

Pill \Pill\, v. i.
   To be peeled; to peel off in flakes.

Pill \Pill\, v. t. [Cf. L. pilare to deprive of hair, and E.
   pill, n. (above).]
   1. To deprive of hair; to make bald. [Obs.]

   2. To peel; to make by removing the skin.

            [Jacob] pilled white streaks . . . in the rods.
                                                  --Gen. xxx.
                                                  37.

Pill \Pill\, v. t. & i. [imp. & p. p. {Pilled}; p. pr. & vb. n.
   {Pilling}.] [F. piller, L. pilare; cf. It. pigliare to take.
   Cf. {Peel} to plunder.]
   To rob; to plunder; to pillage; to peel. See {Peel}, to
   plunder. [Obs.] --Spenser.

         Pillers and robbers were come in to the field to pill
         and to rob.                              --Sir T.
                                                  Malroy.

Pill \Pill\, n. [F. pilute, L. pilula a pill, little ball, dim.
   of L. pila a ball. Cf. {Piles}.]
   1. A medicine in the form of a little ball, or small round
      mass, to be swallowed whole.

   2. Figuratively, something offensive or nauseous which must
      be accepted or endured.

Source : WordNet®

pill
     n 1: something that resembles a pill in shape or size
     2: a dose of medicine in the form of a small pellet [syn: {lozenge},
         {tablet}, {tab}]
     3: a unpleasant or tiresome person
     4: something unpleasant or offensive that must be tolerated or
        endured; "his competitor's success was a bitter pill to
        take"
     5: a contraceptive in the form of a pill containing estrogen
        and progestin to inhibit ovulation and so prevent
        conception [syn: {birth control pill}, {contraceptive pill},
         {oral contraceptive pill}, {oral contraceptive}, {anovulatory
        drug}, {anovulant}]