To provide with a wall; enclose; fortify; defend.
A continuous structure, as for the side of a house, vessel, etc.; also, a fence of stone or masonry.
He pressed his full force now against the wall. – Out of the Triangle by Mary E. Bamford
It had no back wall. – Ghost Beyond the Gate by Mildred A. Wirt
There was a door in one wall almost even with where she stood now. – The Return of Tharn by Howard Carleton Browne