wallpaper — ODE

wallpaper /ˈwɔːlˌpeɪpə

▸ noun [mass noun] paper that is pasted in vertical strips over the walls of a room to provide a decorative surface:

a roll of wallpaper

[count noun] an exclusive range of fabrics and wallpapers.

▪ something, especially music, that provides a bland or unvaried background:

soothing sonic wallpaper.

▪ an optional background pattern or picture on a computer or phone screen.

▸ verb [with object] apply wallpaper to (a wall or room):

we were wallpapering a wall

(wallpapering as noun) he was planning to do some wallpapering this month

(wallpapered as adjective) the wallpapered wall behind the stairs.