The Collaborative International Dictionary of English v.0.48:

Wainscot \Wain"scot\, v. t. [imp. & p. p. Wainscoted; p. pr. &
   vb. n. Wainscoting.]
   To line with boards or panelwork, or as if with panelwork;
   as, to wainscot a hall.
   [1913 Webster]

         Music soundeth better in chambers wainscoted than
         hanged.                                  --Bacon.
   [1913 Webster]

         The other is wainscoted with looking-glass. --Addison.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wainscoting \Wain"scot*ing\, n.
   1. The act or occupation of covering or lining with boards in
      panel.
      [1913 Webster]

   2. The material used to wainscot a house, or the wainscot as
      a whole; panelwork.
      [1913 Webster]

WordNet (r) 3.0 (2006):

wainscoting
    n 1: a wainscoted wall (or wainscoted walls collectively) [syn:
         wainscoting, wainscotting]
    2: wooden panels that can be used to line the walls of a room
       [syn: wainscot, wainscoting, wainscotting]