A1
a vertical structure, often made of stone or brick, that divides or surrounds something
Dictionary examples:
My cat thinks the wall is a ladder. (0.0)
My cat thinks the wall is paper. (0.0)
I painted a door on the wall. (0.0)
I talk to walls. They listen well. (0.0)
The Berlin Wall came down in 1989. (8.4)
The walls in this apartment are so thin you can hear just about every word the neighbors say. (29.4)
We had to climb over a ten-foot wall to get into the garden. (29.6)
The walls look kind of bare - can't we put some pictures up? (70.3)