noun
sacred sword and jewels (imperial regalia)
Refers specifically to the sword and jewel among the Three Sacred Treasures (三種の神器). Used in historical, ceremonial, or imperial contexts.
See also: 三種の神器
剣璽は天皇の即位式で重要な役割を果たす。
The sacred sword and jewels play an important role in the emperor's enthronement ceremony.