1. a strip of wood, plastic, or other material used as a decorative border or to cover joints between surfaces
2. the process of shaping something by pressing it into or around a form

1. present participle of mould: shaping or forming something

Examples

• The carpenter installed crown moulding around the ceiling.
• We painted the window moulding white to match the trim.
• The artist was moulding clay into a beautiful sculpture.
• Plastic moulding is used in many manufacturing processes.
• The decorative moulding added elegance to the doorway.
• She spent hours moulding the dough into perfect shapes.
• The moulding around the fireplace was carved by hand.