避雷針

1. Origins, structure, and basic meaning

• Structure: 避雷針(ひらいしん) means a lightning rod installed to reduce lightning damage to a building or similar structure.
• Basic usage: It is used when discussing rooftop equipment or inspecting its connections.

2. Common pitfalls and similar expressions

• Readings within the word
  • In this word, 雷 is read らい and 針 is read しん.
  • The standalone reading of 針(はり) is not inserted unchanged.