wall

Sense 1 noun

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

Sense 2 verb

surround with a wall in order to fortify

Sense 3 noun

anything that suggests a wall in structure or function or effect

a wall of water

Sense 4 noun

(anatomy) a layer (a lining or membrane) that encloses a structure

stomach walls

Sense 5 noun

a difficult or awkward situation

his back was to the wall

Sense 6 noun

a vertical (or almost vertical) smooth rock face (as of a cave or mountain)

Sense 7 noun

a layer of material that encloses space

the walls of the cylinder were perforated

Sense 8 noun

a masonry fence (as around an estate or garden)

the wall followed the road

Sense 9 noun

an embankment built around a space for defensive purposes

they stormed the ramparts of the city