The Collaborative International Dictionary of English v.0.48:

Wall \Wall\, v. t. [imp. & p. p. Walled; p. pr. & vb. n.
   Walling.]
   1. To inclose with a wall, or as with a wall. "Seven walled
      towns of strength." --Shak.
      [1913 Webster]

            The king of Thebes, Amphion,
            That with his singing walled that city. --Chaucer.
      [1913 Webster]

   2. To defend by walls, or as if by walls; to fortify.
      [1913 Webster]

            The terror of his name that walls us in. --Denham.
      [1913 Webster]

   3. To close or fill with a wall, as a doorway.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Walling \Wall"ing\, n.
   1. The act of making a wall or walls.
      [1913 Webster]

   2. Walls, in general; material for walls.
      [1913 Webster]

   Walling wax, a composition of wax and tallow used by
      etchers and engravers to make a bank, or wall, round the
      edge of a plate, so as to form a trough for holding the
      acid used in etching, and the like. --Fairholt.
      [1913 Webster]