1. An architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure Noun
2. Anything that suggests a wall in structure or function or effect Noun
3. (anatomy) a layer (a lining or membrane) that encloses a structure Noun
4. A difficult or awkward situation Noun
5. A vertical (or almost vertical) smooth rock face (as of a cave or mountain) Noun
6. A layer of material that encloses space Noun
7. A masonry fence (as around an estate or garden) Noun
8. An embankment built around a space for defensive purposes Noun