防波堤

1. Origins, structure, and basic meaning

• Structure: 防波堤, read ぼうはてい, denotes a structure that breaks incoming waves to protect the inside of a harbor.
• Basic usage: It names the harbor structure struck by waves and repaired to protect the port.

2. Common pitfalls and similar expressions

• A harbor structure that breaks waves
  • It protects the harbor by breaking incoming waves and is distinct from a pier used for docking.