寝首 ねくび Meanings Noun head of a sleeping person Kanji 寝 sleep. Read as ねる. 首 neck. Read as くび. Example sentences いつ寝首を掻かれるかわかったものではありません。There's no telling when she'll stab you in the back. Words containing 寝首 寝首をかく (ねくびをかく) to cut off the head of a sleeping person Jinuma: Japanese Dictionary · Word lists