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}.