プログレッシブ和英中辞典(第３版)の解説
こうぞく【皇族】
〔個人〕a member of the Imperial family, an Imperial prince [princess]; 〔総称〕the Imperial family
〔皇族の敬称〕天皇陛下 His Majesty the Emperor 皇后陛下 Her Majesty the Empress 天皇皇后両陛下 Their Majesties the Emperor and Empress 皇太子殿下 His Imperial Highness the Crown Prince 皇太子妃殿下 Her Imperial Highness the Crown Princess 親王［内親王］殿下 His [Her] Imperial Highness Prince... [Princess...] (▼…に名前をつける)