The Collaborative International Dictionary of English v.0.48:

Sculpture \Sculp"ture\ (?; 135), n. [L. sculptura: cf. F.
   sculpture.]
   1. The art of carving, cutting, or hewing wood, stone, metal,
      etc., into statues, ornaments, etc., or into figures, as
      of men, or other things; hence, the art of producing
      figures and groups, whether in plastic or hard materials.
      [1913 Webster]

   2. Carved work modeled of, or cut upon, wood, stone, metal,
      etc.
      [1913 Webster]

            There, too, in living sculpture, might be seen
            The mad affection of the Cretan queen. --Dryden.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sculpture \Sculp"ture\ (?; 135), v. t. [imp. & p. p.
   Sculptured; p. pr. & vb. n. Sculpturing.]
   To form with the chisel on, in, or from, wood, stone, or
   metal; to carve; to engrave.
   [1913 Webster]

   Sculptured tortoise (Zool.), a common North American wood
      tortoise (Glyptemys insculpta). The shell is marked with
      strong grooving and ridges which resemble sculptured
      figures.
      [1913 Webster]

WordNet (r) 3.0 (2006):

sculpture
    n 1: a three-dimensional work of plastic art
    2: creating figures or designs in three dimensions [syn:
       sculpture, carving]
    v 1: create by shaping stone or wood or any other hard material;
         "sculpt a swan out of a block of ice" [syn: sculpt,
         sculpture]
    2: shape (a material like stone or wood) by whittling away at
       it; "She is sculpting the block of marble into an image of
       her husband" [syn: sculpt, sculpture, grave]