wall unit

US /ˈwɑːl ˌjuː.nɪt/
UK /ˈwɑːl ˌjuː.nɪt/
"wall unit" picture
1.

a piece of furniture or a set of shelves that is designed to be attached to or stand against a wall, often used for storage or display

:
We bought a new wall unit for the living room to hold our books and media.
The modern apartment featured a sleek, minimalist wall unit.