Vocabulary What does 西口 (にしぐち, nishiguchi) mean? 西口 (にしぐち, nishiguchi) means west entrance; west exit. Quick factsReadingにしぐちRomajinishiguchiPart of speechnoun 西口にしぐちnishiguchiwest entrance; west exit1noun west entrance; west exitKanji in this word西west口mouth