The Collaborative International Dictionary of English v.0.48:

Scald \Scald\, v. t. [imp. & p. p. Scalded; p. pr. & vb. n.
   Scalding.] [OF. eschalder, eschauder, escauder, F.
   ['e]chauder, fr. L. excaldare; ex + caldus, calidus, warm,
   hot. See Ex, and Caldron.]
   1. To burn with hot liquid or steam; to pain or injure by
      contact with, or immersion in, any hot fluid; as, to scald
      the hand.
      [1913 Webster]

            Mine own tears
            Do scald like molten lead.            --Shak.
      [1913 Webster]

            Here the blue flames of scalding brimstone fall.
                                                  --Cowley.
      [1913 Webster]

   2. To expose to a boiling or violent heat over a fire, or in
      hot water or other liquor; as, to scald milk or meat.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "scalding":
   ardent, baking, blistering, boiling, broiling, burning,
   burning hot, canicular, ebullient, feverish, fiery, flushed,
   grilling, heated, hot, hot as fire, hot as hell, like a furnace,
   like an oven, overheated, overwarm, parching, piping hot, red-hot,
   roasting, scorching, searing, seething, simmering, sizzling,
   sizzling hot, smoking hot, sudorific, sweating, sweaty, sweltering,
   sweltry, toasting, torrid, white-hot