What is the meaning of 太政大臣?

the head of the 太政官 (Daijō-kan, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

Same as だじょうだいじん (dajō-daijin) below

the head of the 太政官 (Dajō-kan, Great Council of State) during the Meiji period

Same as だいじょうだいじん (daijō-daijin) above

the head of the 太政官 (Ōimatsurigoto no Tsukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

the head of the 太政官 (Ōimatsurigoto no Tsukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

the head of the 太政官 (Ōimatsurigoto no Tsukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

the head of the 太政官 (Ōimatsurigoto no Tsukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

the head of the 太政官 (Ōimatsurigoto no Tsukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

the head of the 太政官 (Opoki1maturigo2to2 no2 Tukasa, Great Council of State, the highest government office under the 律令 (Ritsuryō) system), equivalent to a “grand minister” or “chancellor of the realm

Source: wiktionary.org