Entry 4 senses · 3 variants Webster, 1913 Spalt · IPA /spɔːlt/ n. a. v. t. & i. 01 n. Spelter. 1. Spelter.(Metal.) [Colloq.] 02 a. Liable to break or split; brittle; as, spalt timber. 1. Liable to break or split; brittle; as, spalt timber.[Prov. Eng.] 2. Heedless; clumsy; pert; saucy.[Prov. Eng.] 03 v. t. & i. To split off; to cleave off, as chips from a piece of timber, with an ax. 1. To split off; to cleave off, as chips from a piece of timber, with an ax.[Prov. Eng. & Local, U.S.]