/wawl"pay'peuhr/ , n.
1. paper, usually with printed decorative patterns in color, for pasting on and covering the walls or ceilings of rooms, hallways, etc.
2. any fabric, foil, vinyl material, etc., used as a wall or ceiling covering.
v.t.
3. to put wallpaper on (a wall, ceiling, etc.) or to furnish (a room, house, etc.) with wallpaper.
[ 1820-30; WALL + PAPER ]