molding

1. (architecture) A plane, or curved, narrow surface, either sunk or projecting, used for decoration by means of the lights and shades upon its surface and to conceal joints, especially between unlike materials.Examples: "A fine-scale denticulated molding in the cornice, repeated elsewhere in the exterior wood trim, lends an air of exceptional richness and refinement."UScountableuncountable

2. (woodwork) A planing machine for making moldings.UScountableuncountable

3. (founding) A machine to assist in making molds for castings.UScountableuncountable

4. (milling) A mill for shaping timber.UScountableuncountable

5. (founding) A kind of sand containing clay, used in making molds.UScountableuncountable