The Collaborative International Dictionary of English v.0.48:

Scald \Scald\, n.
   Scurf on the head. See Scall. --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scald \Scald\ (sk[a^]ld or sk[add]ld; 277), n. [Icel. sk[=a]ld.]
   One of the ancient Scandinavian poets and historiographers; a
   reciter and singer of heroic poems, eulogies, etc., among the
   Norsemen; more rarely, a bard of any of the ancient Teutonic
   tribes. [Written also skald.]
   [1913 Webster]

         A war song such as was of yore chanted on the field of
         battle by the scalds of the yet heathen Saxons. --Sir
                                                  W. Scott.
   [1913 Webster]

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

The Collaborative International Dictionary of English v.0.48:

Scald \Scald\, n.
   A burn, or injury to the skin or flesh, by some hot liquid,
   or by steam.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scald \Scald\, a. [For scalled. See Scall.]
   1. Affected with the scab; scabby. --Shak.
      [1913 Webster]

   2. Scurvy; paltry; as, scald rhymers. [Obs.] --Shak.
      [1913 Webster]

   Scald crow (Zool.), the hooded crow. [Ireland]

   Scald head (Med.), a name popularly given to several
      diseases of the scalp characterized by pustules (the dried
      discharge of which forms scales) and by falling out of the
      hair.
      [1913 Webster]

WordNet (r) 3.0 (2006):

scald
    n 1: a burn cause by hot liquid or steam
    2: the act of burning with steam or hot water
    v 1: subject to harsh criticism; "The Senator blistered the
         administration in his speech on Friday"; "the professor
         scaled the students"; "your invectives scorched the
         community" [syn: blister, scald, whip]
    2: treat with boiling water; "scald tomatoes so that they can be
       peeled"
    3: heat to the boiling point; "scald the milk"
    4: burn with a hot liquid or steam; "She scalded her hands when
       she turned on the faucet and hot water came out"

Moby Thesaurus II by Grady Ward, 1.0:

110 Moby Thesaurus words for "scald":
   abrade, abrasion, bake, bark, be in heat, blaze, blemish, bloody,
   bloom, boil, brand, break, broil, burn, chafe, check, chip, choke,
   claw, combust, concussion, cook, crack, crackle, craze, cut, flame,
   flame up, flare, flare up, flash burn, flicker, flush, fracture,
   fray, frazzle, fret, fry, gall, gash, gasp, glow, hurt, incandesce,
   incise, incision, injure, injury, lacerate, laceration, lesion,
   maim, make mincemeat of, mat burn, maul, mortal wound, mutilate,
   mutilation, pant, parch, pierce, puncture, radiate heat, rend,
   rent, rip, roast, run, rupture, savage, scorch, scotch, scrape,
   scratch, scuff, sear, second-degree burn, seethe,
   shimmer with heat, simmer, singe, skin, slash, slit, smolder,
   smother, sore, spark, sprain, stab, stab wound, steam, stew, stick,
   stifle, strain, suffocate, sunburn, sunscald, sweat, swelter, tear,
   third-degree burn, toast, trauma, traumatize, windburn, wound,
   wounds immedicable, wrench