spalted Syllabification: (spalt·ed)Pronunciation: /ˈspôltid/Definition of spalted adjective (of wood) containing blackish irregular lines as a result of fungal decay, and sometimes used to produce a decorative surface. Origin: 1970s: from dialect spalt 'to split, splinter' + -ed1spalted in other Oxford dictionaries Definition of spalted in the British & World English dictionary