Definitions of mould:

• noun:   container into which liquid is poured to create a given shape when it hardens
• noun:   sculpture produced by molding
• noun:   a fungus that produces a superficial growth on various kinds of damp or decaying organic matter
• noun:   loose soil rich in organic matter
• verb:   form by pouring (e.g., wax or hot metal) into a cast or mold
• verb:   form in clay, wax, etc
• verb:   make something, usually for a specific function
• name:  A surname (very rare: popularity rank in the U.S.: #50306)