wall·pa·per 
(wôlpā′pər)
(wôlpā′pər)n.
1. Paper often colored and printed with designs and pasted to a wall as a decorative covering.
2. A picture or design displayed on the background of a computer screen or cell phone.
v. wall·pa·pered, wall·pa·per·ing, wall·pa·pers
v.tr.
To cover with wallpaper.
v.intr.
To decorate a wall or room with wallpaper.