mǔ​hòu

empress mother

母后 mǔ​hòu
empress mother noun
historical form of address used by an emperor or imperial children for their mother, typically the empress or empress dowager
empress dowager noun
historical title or form of reference for the empress dowager

Frequency

Written text
1.10 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)