Webster's Revised Unabridged Dictionary · 1913

Wainscot

Wainscot , noun

[OD. waeghe-schot, Dutch wagen-schot, a clapboard, from OD. waeg, weeg, a wall (akin to Anglo-Saxon wah; compare Icelandic veggr) + schot a covering of boards (akin to English shot, shoot).]

1.
Oaken timber or boarding. [Obsolete]
A wedge wainscot is fittest and most proper for cleaving of an oaken tree. — Urquhart
Inclosed in a chest of wainscot. — J. Dart
2.
(Architecture) A wooden lining or boarding of the walls of apartments, usually made in panels.
3.
(Zoology) Any one of numerous species of European moths of the family Leucanidae.

They are reddish or yellowish, streaked or lined with black and white. Their larvae feed on grasses and sedges.

Wainscot , transitive verb

To line with boards or panelwork, or as if with panelwork; as, to wainscot a hall.
Music soundeth better in chambers wainscoted than hanged. — Bacon
The other is wainscoted with looking-glass. — Addison