The Collaborative International Dictionary of English v.0.48:

Spalt \Spalt\, n. [Cf. G. spaltstein, from spalten to split. See
   1st Spell.] (Metal.)
   Spelter. [Colloq.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Spalt \Spalt\, a. [See 1st Spell.]
   1. Liable to break or split; brittle; as, spalt timber.
      [Prov. Eng.] --Halliwell.
      [1913 Webster]

   2. Heedless; clumsy; pert; saucy. [Prov. Eng.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Spalt \Spalt\, v. t. & i. [Cf. OE. spalden. See Spalt, a.]
   To split off; to cleave off, as chips from a piece of timber,
   with an ax. [Prov. Eng. & Local, U.S.]
   [1913 Webster]