塀

1. Origins, structure, and basic meaning

• Structure: Written 塀 and read へい, it is a wall or fence-like structure built to mark and enclose the boundary of property.
• Basic usage: It surrounds a garden and provides a narrow top along which a cat can walk.

2. Common pitfalls and similar expressions

• Boundary wall rather than building wall
  • It generally stands around a site instead of forming the load-bearing wall of a building.