molding Syllabification: (mold·ing)Pronunciation: /ˈmōldiNG/ (Britishmoulding)Translate molding | into German Definition of molding noun an ornamentally shaped outline as an architectural feature, especially in a cornice. material such as wood, plastic, or stone shaped for use as a decorative or architectural feature. molding in other Oxford dictionaries Definition of molding in the British & World English dictionary