(へいか)

へいか
noun
Your Majesty; His/Her Majesty
formalhonorificperson
1. Your Majesty; His/Her Majesty
An honorific title used to address or refer to an emperor, empress, king, or queen. In Japan, used exclusively for the Emperor and Empress.
天皇(てんのう)陛下(へいか)言葉(ことば)ありました
There were words from His Majesty the Emperor.
Their Majesties visited the disaster-affected area.
His Majesty the King, invited as a state guest, arrived at the airport.

The highest honorific title for a monarch. In Japan, applies only to the 天皇(てんのう) (Emperor) and 皇后(こうごう) (Empress).

Common collocations

The word (へい) originally referred to the steps leading up to the throne. Addressing the emperor through the steps (rather than directly) was considered properly respectful.

Do not confuse with 殿下(でんか) (His/Her Royal Highness), used for princes, princesses, and other members of the imperial family below the emperor.