Source : Webster's Revised Unabridged Dictionary (1913)

Shake \Shake\, v. i.
   To be agitated with a waving or vibratory motion; to tremble;
   to shiver; to quake; to totter.

         Under his burning wheels The steadfast empyrean shook
         throughout, All but the throne itself of God. --Milton.

         What danger? Who 's that that shakes behind there?
                                                  --Beau. & Fl.

   {Shaking piece}, a name given by butchers to the piece of
      beef cut from the under side of the neck. See Illust. of
      {Beef}.