dān​shū​tiě​qì

iron certificate

Senses

丹书铁契/ 丹書鐵契 dān​shū​tiě​qì iron certificate

imperial edict inscribed on iron and filled with cinnabar, granted by an emperor to high officials or family members as a permanent guarantee of exceptional privilege or exemption from the death penalty

References

variant 丹书铁券/丹書鐵券 丹书铁契/丹書鐵契
synonym 铁券/鐵券 丹书铁契/丹書鐵契