Word背せ中なかsenakaMeaningback (of the body)Part of speechnounPronunciationCourseJapaneseLessonThe bodyBreakdown of senakamiddle; inside中Above the middle of your mouth there's a line called the philtrum.stature背Usages of senaka私わたし は 背せ中なか が 少すこし 痛いたむ。watasi ha senaka ga sukosi itamu.I've got a bit of an ache in my back.Sentence from Tatoeba