Wainscoting is a style of panelling that covers the bottom part of a wall. It is only on interior walls, not on the outside walls. It is usually made out of wood that looks like it is in panelling.
wainscot
1. wood, esp. oak and usually in the form of paneling, for lining interior
walls.
2. the lining itself, esp. as covering the lower portion of a wall.
3. a dado, esp. of wood, lining an interior wall.
4. British. oak of superior quality and cut, imported from the Baltic countries
for fine woodwork.
Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.