ボタン穴あなボタンあなじ字FuriganaMeanings1nounbuttonholeRefers to the slit or hole in fabric through which a button is passed.このシャツのボタン穴あなが小ちいさすぎて、ボタンが通とおらない。The buttonholes on this shirt are too small; the buttons won't go through.