Wainscot n. : Oaken timber or boarding.

Wainscot n. : A wooden lining or boarding of the walls of apartments, usually made in panels.

Wainscot n. : Any one of numerous species of European moths of the family Leucanidae.

Wainscot v. t. : To line with boards or panelwork, or as if with panelwork; as, to wainscot a hall.

Example:
Can I use an adhesive to apply Wainscot beadboard directly over tile without permanently damaging the tile ?

Taxonomy
boiseries, wainscoting, free encyclopedia, Wainscot Paneling, seventeenth, eighteenth century, decorative panels, walls, search, Unsourced, 3-inch, pine boards, semi-rigid, antiquity, cold stone, modern buildings, contemporaries, carved wood.

Defination from the web:
wainscoting and boiserie in particular, may be extremely ornate and is particularly associated with seventeenth and eighteenth ... Wainscoting may also refer to other materials used in a similar fashion. ...