What is the meaning of wall?

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

verb

• Surround with a wall in order to fortify.
  • synonyms: palisade, fence, fence in, surround