Search the dictionary A Chinese word or character, or English Search 3 entries. dìhuáng 地黄 Chinese foxglove (Rehmannia glutinosa), its rhizome used in TCM dìhuáng 地黃 Chinese foxglove (Rehmannia glutinosa), its rhizome used in TCM dìhuáng 地皇 Earthly Sovereign, one of the three legendary sovereigns 三皇[san1 huang2]