山口县 Traditional form: 山口縣 Pinyin (reading): Shānkǒuxiàn Definitions: Yamaguchi prefecture in southwest of Japan's main island Honshū 本州 ( Běnzhōu) Characters: 山 - mountain, hill, peak 口 - mouth; entrance, gate, opening 县 - county, district, subdivision Traditional characters: 山 - mountain, hill, peak 口 - mouth; entrance, gate, opening 縣 - county, district, subdivision