The Collaborative International Dictionary of English v.0.48:

Mold \Mold\, Mould \Mould\, v. t. [imp. & p. p. Molded or
   Moulded; p. pr. & vb. n. Molding or Moulding.]
   To cover with mold or soil. [R.]
   [1913 Webster] Mold

The Collaborative International Dictionary of English v.0.48:

Molding \Mold"ing\, Moulding \Mould"ing\, p. a.
   Used in making a mold or moldings; used in shaping anything
   according to a pattern.
   [1913 Webster]

   Molding board or Moulding board.
   (a) See Follow board, under Follow, v. t.
   (b) A board on which bread or pastry is kneaded and shaped.


   Molding machine or Moulding machine.
   (a) (Woodworking) A planing machine for making moldings. (
   b ) (Founding) A machine to assist in making molds for
     castings.

   Molding mill or Moulding mill, a mill for shaping timber.


   Molding sand or Moulding sand (Founding), a kind of sand
      containing clay, used in making molds.
      [1913 Webster] Moldwarp

The Collaborative International Dictionary of English v.0.48:

Molding \Mold"ing\, Moulding \Mould"ing\, n.
   1. The act or process of shaping in or on a mold, or of
      making molds; the art or occupation of a molder.
      [1913 Webster]

   2. Anything cast in a mold, or which appears to be so, as
      grooved or ornamental bars of wood or metal, or
      sculptures. [WordNet sense 1]

   Syn: mold, mould, molding, modeling, clay sculpture.
        [1913 Webster]

   3. (Arch.) A plane, or curved, narrow surface, either sunk or
      projecting, used for decoration by means of the lights and
      shades upon its surface. Moldings vary greatly in pattern,
      and are generally used in groups, the different members of
      each group projecting or retreating, one beyond another.
      See Cable, n., 3, and Crenelated molding, under
      Crenelate, v. t. [WordNet sense 2]
      [1913 Webster]

   4. Especially: a decorative strip used for ornamentation or
      finishing. [WordNet sense 3]

   Syn: moolding.
        [WordNet 1.5]

   5. a preliminary sculpture in wax or clay from which a
      finished work can be copied. [WordNet sense 5]

   Syn: modeling, moulding.
        [WordNet 1.5] Molding

The Collaborative International Dictionary of English v.0.48:

moulding \moulding\ n.
   1. a sculpture produced by molding.

   Syn: mold, mould, molding, modeling, clay sculpture.
        [WordNet 1.5]

   2. a decorative recessed or relieved surface.

   Syn: molding, border.
        [WordNet 1.5]

   3. a decorative strip used for ornamentation or finishing.

   Syn: molding.
        [WordNet 1.5]

   4. a preliminary sculpture in wax or clay from which a
      finished work can be copied.

   Syn: modeling, molding.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

moulding
    n 1: a decorative strip used for ornamentation or finishing
         [syn: molding, moulding]
    2: a decorative recessed or relieved surface on an edge [syn:
       molding, moulding, border]
    3: sculpture produced by molding [syn: mold, mould,
       molding, moulding, modeling, clay sculpture]
    4: a preliminary sculpture in wax or clay from which a finished
       work can be copied [syn: modeling, modelling, molding,
       moulding]