moulding

noun7

1. •
   The act or process of shaping in or on a mold, or of making molds; the art or occupation of a molder.
2. •
   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.

   • A fine-scale denticulated molding in the cornice, repeated elsewhere in the exterior wood trim, lends an air of exceptional richness and refinement. — 1920
3. •
   Anything cast in a mold, or which appears to be so, as grooved or ornamental bars of wood or metal.
4. •
   A planing machine for making moldings.
5. •
   A mill for shaping timber.
6. •
   A machine to assist in making molds for castings.
7. •
   A kind of sand containing clay, used in making molds.