Webster's Revised Unabridged Dictionary · 1913

Spalt

Spalt , noun

[Compare German spaltstein, from spalten to split. See 1st Spell.]

(Metallurgy) Spelter. [Colloquial]

Spalt , adjective

[See 1st Spell.]

1.
Liable to break or split; brittle; as, spalt timber. [Provincial English] — Halliwell
2.
Heedless; clumsy; pert; saucy. [Provincial English]

Spalt , verb, transitive and intransitive

[Compare Old English spalden. See Spalt, a.]

To split off; to cleave off, as chips from a piece of timber, with an ax. [Provincial English & Local, United States]