molding

Short definition from Wiktionary

Noun

1. 1
   The act or process of shaping in or on a mold, or of making molds; the art or occupation of a molder.
2. 2
   Anything cast in a mold, or which appears to be so, as grooved or ornamental bars of wood or metal.
3. 3
   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.
4. 4
   A planing machine for making moldings.
5. 5
   A machine to assist in making molds for castings.
6. 6
   A mill for shaping timber.
7. 7
   A kind of sand containing clay, used in making molds.

Verb

1. 1
   present participle and gerund of mold