Refers to the seal or stamp of the emperor, used in historical or formal contexts. Related terms include 印璽 and 御璽.
璽符は天皇の権威を示す重要な印である。
The imperial seal is an important stamp that signifies the authority of the emperor.
Compound of 璽 (imperial seal) and 符 (tally, token). The exact historical derivation is uncertain, but the term appears in classical texts referring to the emperor's seal.