(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

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

New Tokyo International Airport (TYO), currently named Narita International Airport)

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds

Kyūjitai form of 大日本帝国: Empire of Japan