校門

1. Origins, structure, and basic meaning

• Structure: 校門 is read as こうもん and means “school gate”.
• Basic usage: It names the school gate used as a meeting point and where a teacher stands at dismissal.

2. Common pitfalls and similar expressions

• 校門の前 / 校門に立つ
  • Use 校門の前 for the area in front and 校門に立つ for standing at the gate itself.