(dated) part of Japan adjacent to Pacific Ocean and Seto Inland Sea

Japanese mint (Mentha canadensis)

Kyūjitai form of 日本学: Japanology

(oceanography) Synonym of 黒潮: the Kuroshio Current

(military, historical) 大日本帝国海軍 / (military) 海上自衛隊

(military, historical) 大日本帝国陸軍 / (military) 陸上自衛隊

a national holiday in Japan on the birthday of the 今上天皇 (Kinjō Tennō, “present reigning emperor”), currently February 23

(honorific) a more respectful term of address for an Emperor or Empress (regnant) of Japan

Empire of Japan (official name of Japan under the Constitution of the Empire of Japan, 1890-1947)

pray for long live His Majesty the Emperor of Japan / one of battle cry when Banzai charge