society > inhabiting and dwelling > inhabited place > a building > parts of building > wall of building > [noun] > expanse of wall surface
the world > space > extension in space > measurable spatial extent > [noun] > a) dimension(s) > property of having two dimensions > surface extent or area > space on or area of a wall
1889 in Wall space.
1898 G. B. Shaw iii. 47 The rest of the wall space being occupied by trophies of war and the chase.
1978 Sept. 101/1 True, a new library is being built in Stanley Road, where wall-space for pictures will be made available, but there will be no gallery proper, and no museum whatsoever.