The Collaborative International Dictionary of English v.0.48:

Scorching \Scorch"ing\, a.
   1. Burning; parching or shriveling with heat.
      [1913 Webster]

   2. sufficiently hot to cause scorching.
      [PJC] -- Scorch"ing*ly, adv. -- Scorch"ing*ness, n.
      [1913 Webster]