wallpaper

US /ˈwɑːlˌpeɪ.pɚ/
UK /ˈwɑːlˌpeɪ.pɚ/
"wallpaper" picture
1.

paper pasted in strips over a wall or ceiling to form an interior decorative covering

:
We chose a floral wallpaper for the living room.
The old wallpaper was peeling off the walls.
2.

a background image on the screen of a computer or mobile device

:
I changed my desktop wallpaper to a picture of the mountains.
You can customize your phone's wallpaper with your favorite photos.
1.

to apply wallpaper to (a wall or room)

:
We decided to wallpaper the entire bedroom ourselves.
It took them two days to wallpaper the living room.