Source : Webster's Revised Unabridged Dictionary (1913)

Palsy \Pal"sy\, n.; pl. {Palsies}. [OE. palesie, parlesy, OF.
   paralesie, F. paralysie, L. paralysis. See {Paralysis}.]
   (Med.)
   Paralysis, complete or partial. See {Paralysis}. ``One sick
   of the palsy.'' --Mark ii. 3.

   {Bell's palsy}, paralysis of the facial nerve, producing
      distortion of one side of the face; -- so called from Sir
      Charles Bell, an English surgeon who described it.

   {Scrivener's palsy}. See {Writer's cramp}, under {Writer}.

   {Shaking palsy}, paralysis agitans, a disease usually
      occurring in old people, characterized by muscular tremors
      and a peculiar shaking and tottering gait.

Source : WordNet®

shaking palsy
     n : a degenerative disorder of the central nervous system
         characterized by tremor and impaired muscular
         coordination [syn: {paralysis agitans}, {Parkinsonism}, {Parkinson's
         disease}, {Parkinson's syndrome}, {Parkinson's}]