制帽

1. Origins, structure, and basic meaning

• Structure: 制帽 is read as せいぼう and means “uniform cap”.
• Basic usage: It denotes a navy uniform cap worn by an actor and an old regulation cap kept in a display case.

2. Common pitfalls and similar expressions

• 制帽をかぶる / 制帽が収められる
  • It is a cap prescribed for a uniform or role. Use 制帽をかぶる for wearing it and 制帽が収められる for storage.