A mirrored wall refers to a wall that is covered entirely with mirrors. It is like a big reflective glass that shows you your own reflection when you look at it. Full definition
The entire cabin consisted of a floor - level bed with mirrored walls close on either side. (cnbc.com)
We've added mirrored walls in both the living room and master bedroom so you get a sense of a panoramic ocean view within the condo itself! (mauiaccommodations.com)
We added one more large mirror this wall — it really helps to lighten up the space and make it feel more open. (christinasadventures.com)