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
   "the south wall had a small window"; "the walls were covered with pictures"
    
2. Anything that suggests a wall in structure, function or effect
   "a wall of prejudice"; "negotiations ran into a brick wall"; "a wall of water"; "a wall of smoke"
    
3. (anatomy) a layer (a lining or membrane) that encloses a structure
   "stomach walls";
   - paries
    
4. A difficult or awkward situation
   "his back was to the wall"; "competition was pushing them to the wall"
    
5. A vertical (or almost vertical) smooth rock face (as of a cave or mountain)
   "The climbers faced a challenging 200-foot wall"
    
6. A layer of material that encloses space
   "the walls of the cylinder were perforated"; "the container's walls were blue"
    
7. A masonry fence (as around an estate or garden)
   "the wall followed the road"; "he ducked behind the garden wall and waited"
    
8. An embankment built around a space for defensive purposes
   "they blew the trumpet and the walls came tumbling down";
   - rampart, bulwark

1. Surround with a wall, e.g. for protection, shelter or privacy
   "They walled the garden to keep out intruders"; "They surrounded the estate with a high stone wall";
   - palisade, fence, fence in, surround

Derived forms: walling, walls, walled

Type of: article, bed, difficultness, difficulty, divider, embankment, fence, fencing, formation, geological formation, layer, object, partition, physical object, protect, stratum

Part of: building, cave, edifice, fortification [rare], hall, hallway, munition, room

Encyclopedia: Wall, Paul