What is the meaning of Spalt?

Spelter.

Brittle.

Heedless; clumsy; pert; saucy.

To break off pieces, or have them broken off, especially with an axe etc; to splinter.

singular imperative of spalten

imperative of spalte

crack, fissure

a (long and narrow) gap

a column (of text)

a (recurring) section with certain contents in a paper or magazine; a column

Source: wiktionary.org