太上天皇 だいじょうてんのう Also written だじょうてんのう Meanings Noun retired emperor; ex-emperor; former emperor; emperor emeritus See also: 上皇 (じょうこう). Kanji 太 thick 上 up. Read as ジョウ. 天 heaven. Read as テン. 皇 emperor Word lists Honorific (尊敬語) Jinuma: Japanese Dictionary · Word lists