(n)wallan architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure“the south wall had a small window”, “the walls were covered with pictures”
(n)wallanything that suggests a wall in structure or function or effect“a wall of water”, “a wall of smoke”, “a wall of prejudice”, “negotiations ran into a brick wall”
(n)rampart, bulwark, wallan embankment built around a space for defensive purposes“they stormed the ramparts of the city”, “they blew the trumpet and the walls came tumbling down”