じゅうまい 従妹 LinksSentence search for 従妹Sentence search for じゅうまいSentence search for いとこKanji details for 従 and 妹Edit in JMdict Noun1. cousin (younger female)See also 従姉Other forms従妹 【いとこ】Notesいとこ: Gikun (meaning as reading) or jukujikun (special kanji reading). Discussions Log in to talk about this word.