The Collaborative International Dictionary of English v.0.48:

Girdle \Gir"dle\, v. t. [imp. & p. p. Girdled; p. pr. & vb. n.
   Girdling.]
   1. To bind with a belt or sash; to gird. --Shak.
      [1913 Webster]

   2. To inclose; to environ; to shut in.
      [1913 Webster]

            Those sleeping stones,
            That as a waist doth girdle you about. --Shak.
      [1913 Webster]

   3. To make a cut or gnaw a groove around (a tree, etc.)
      through the bark and alburnum, thus killing it. [U. S.]
      [1913 Webster]