use one thing for many purposes / work someone hard

a letter or character (symbol for a sound or a word) / (linguistics) script, writing system / (specific to Japanese) a written mora, a kana / writing in general, written words

a letter, a character (symbol for a sound or a word) / (linguistics) script, writing system / (specific to Japanese) a written mora, a kana / writing in general, written words

former name of Shimonoseki City in Yamaguchi Prefecture prior to 1902

Kyūjitai form of 山海関 (“Shanhai Pass”)

Kyūjitai form of 関係: relationship

Kyūjitai form of 機関 (“engine; machine; organ”)

Kyūjitai form of 関東

Mongolia

kyūjitai (traditional form of Japanese kanji used before 1947)