n.
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"
an embankment built around a space for defensive purposes
"they blew the trumpet and the walls came tumbling down"
同义词：rampartbulwark
anything 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"
a masonry fence (as around an estate or garden)
"the wall followed the road"; "he ducked behind the garden wall and waited"
(anatomy) a layer (a lining or membrane) that encloses a structure
"stomach walls"
同义词：paries
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
a layer of material that encloses space
"the walls of the cylinder were perforated"; "the container's walls were blue"
a difficult or awkward situation
"his back was to the wall"; "competition was pushing them to the wall"
