The Collaborative International Dictionary of English v.0.48:

Physic \Phys"ic\ (f[i^]z"[i^]k), n. [OE. phisike, fisike, OF.
   phisique, F. physique knowledge of nature, physics, L.
   physica, physice, fr. Gr. fysikh`, fr. fysiko`s natural, from
   fy`sis nature, fr. fy`ein 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; -- an archaic term,
      superseded by medicine. [archaic] "A doctor of physik."
      --Chaucer.
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   2. A specific internal application for the cure or relief of
      sickness; a remedy for disease; a medicine.
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   3. Specifically, a medicine that purges; a cathartic.
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   4. A physician. [R.] --Shak.
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   Physic nut (Bot.), a small tropical American euphorbiaceous
      tree (Jatropha Curcas), and its seeds, which are well
      flavored, but contain a drastic oil which renders them
      dangerous if eaten in large quantities.
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The Collaborative International Dictionary of English v.0.48:

Barbados \Bar*ba"dos\ or Barbadoes \Bar*ba"does\, n.
   A West Indian island, giving its name to a disease, to a
   cherry, etc.
   [1913 Webster]

   Barbados cherry (Bot.), a genus of trees of the West Indies
      (Malpighia) with an agreeably acid fruit resembling a
      cherry.

   Barbados leg (Med.), a species of elephantiasis incident to
      hot climates.

   Barbados nuts, the seeds of the Jatropha curcas, a plant
      growing in South America and elsewhere. The seeds and
      their acrid oil are used in medicine as a purgative. See
      Physic nut.
      [1913 Webster]