imperial seal; emperor's seal
Refers specifically to the seal of the Emperor of Japan, a symbol of imperial authority. Used in historical, legal, and ceremonial contexts.
Documents affixed with the imperial seal are treated as acts of state.
sacred sword and jewels (imperial regalia)
imperial seal
great seal; seal of state
imperial seal; privy seal
imperial seal; sovereign's seal
The character 璽 has been used historically to denote the imperial seal. The exact derivation is uncertain; it is a specialized kanji associated with sovereignty.