RhymeZone: spalt definitions

Definitions of spalt:

noun: Spelter.
adjective: (of wood) Brittle.
adjective: Heedless; clumsy; pert; saucy.
verb: (transitive, intransitive) To break off pieces, or have them broken off, especially with an axe etc; to splinter.

(Definitions from Wiktionary)