Dictionary/弟妹ていまいTeimaiAlso read: きょうだい弟妹 (Teimai) is a Japanese noun meaning “younger brother and sister”.Meaningsnounyounger brother and sisterKanji in 弟妹弟younger brother妹younger sisterRelated words弟子pupil妹younger sister弟younger brother兄弟brothers and sisters姉妹sisters従兄弟cousin (male)従姉妹cousin (female)弟子入りbecoming a pupil (of)師弟teacher and student義弟brother-in-law (spouse's younger brother or younger sister's husband)義妹sister-in-law (spouse's younger sister or younger brother's wife)子弟children