Source : Webster's Revised Unabridged Dictionary (1913)

Rack \Rack\, n. [See {Wreck}.]
   A wreck; destruction. [Obs., except in a few phrases.]

   {Rack and ruin}, destruction; utter ruin. [Colloq.]

   {To go to rack}, to perish; to be destroyed. [Colloq.] ``All
      goes to rack.'' --Pepys.