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]