imperial seal; sovereign's seal
Refers specifically to the seal of a monarch or emperor, especially in historical or formal contexts. In modern Japan, it can refer to the Emperor's seal used for official documents.
A document bearing the Emperor's seal was made public.
This imperial seal has been handed down since the Edo period.
玉 (jewel) + 璽 (imperial seal). The term originates from ancient Chinese, where the emperor's seal was made of jade, symbolizing authority.