1.Definition: (anatomy) a layer (a lining or membrane) that encloses a structure

"Stomach walls"

Related Noun(s):paries

Category: General

2.Definition: a difficult or awkward situation

"His back was to the wall", "Competition was pushing them to the wall"

Category: General

3.Definition: a layer of material that encloses space

"The walls of the cylinder were perforated", "The container's walls were blue"

Category: Objects

4.Definition: a masonry fence (as around an estate or garden)

"The wall followed the road", "He ducked behind the garden wall and waited"

Category: Objects

5.Definition: a vertical (or almost vertical) smooth rock face (as of a cave or mountain)

Category: Objects

6.Definition: 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"

Category: Objects

7.Definition: an 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"

Related Noun(s):bulwark, rampart

Category: Objects

8.Definition: 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"

Category: Objects