小こ首くび

noun

head

Almost exclusively used in the set phrase 小首をかしげる (to tilt one's head slightly, often in puzzlement or curiosity). Rarely used independently.

• 彼かれは小こ首くびをかしげて、私わたしの質しつ問もんを考かんがえた。

  He tilted his head slightly, thinking about my question.