Wall

noun

wɔl

Noun

an embankment built around a space for defensive purposes
“they blew the trumpet and the walls came tumbling down”
Similar:Bulwark Rampart
Type of:Embankment
(anatomy) a layer (a lining or membrane) that encloses a structure
“stomach walls”
Similar:Paries
Type of:Stratum
a difficult or awkward situation
“his back was to the wall”
“competition was pushing them to the wall”
Type of:Difficulty
a layer of material that encloses space
“the walls of the cylinder were perforated”
“the container's walls were blue”
Type of:BedLayer
a masonry fence (as around an estate or garden)
“the wall followed the road”
“he ducked behind the garden wall and waited”
Type of:FenceFencing
an 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”
Type of:DividerPartition
anything that suggests a wall in structure or function or effect
“a wall of water”
“a wall of smoke”
“a wall of prejudice”
Type of:Object
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
Type of:Formation

surround with a wall in order to fortify
Similar:Fence Palisade Surround
Type of:Protect

Rising in recent decades

Source: Google Books Ngram Viewer (1800–2019)