Source : Webster's Revised Unabridged Dictionary (1913)

Physic \Phys"ic\, v. t. [imp. & p. p. {Physiced}; p. pr. & vb.
   n. {Physicking}.]
   1. To treat with physic or medicine; to administer medicine
      to, esp. a cathartic; to operate on as a cathartic; to
      purge.

   2. To work on as a remedy; to heal; to cure.

            The labor we delight in physics pain. --Shak.

            A mind diseased no remedy can physic. --Byron.

Physic \Phys"ic\, n. [OE. phisike, fisike, OF. phisique, F.
   physique knowledge of nature, physics, L. physica, physice,
   fr. Gr. ?, fr. fysiko`s natural, from fy`sis nature, fr. ? to
   produce, grow, akin to E. be. See {Be}, and cf. {Physics},
   {Physique}.]
   1. The art of healing diseases; the science of medicine; the
      theory or practice of medicine.

Source : WordNet®

physic
     n : a purging medicine; stimulates evacuation of the bowels
         [syn: {purgative}, {cathartic}, {aperient}]
     [also: {physicking}, {physicked}]