noun / verb
wall
WAWL/wɔːl/
A physical or figurative barrier that encloses or separates.
A brick wall separates the two neighboring gardens.

Etymology
Latin vallum named a defensive rampart of earth and stone. The English word broadened from protective boundaries and building sides to include partitions inside buildings.
In context
Gallery remedial another application of the flying buttress is to prop up a leaning wall in danger of collapse
More examples
- They walled the small courtyard for privacy.
- A wall of silence met his questions.
- The old walls protected the town for centuries.
Forms
wall · walls · walled · walling