Webster's Revised Unabridged Dictionary · 1913

Chignon

Chignon ({not transcribed}) , noun

[French, prop. equiv. to chaînon link, from chaîne chain, from Latin catena Compare Chain.]

A knot, boss, or mass of hair, natural or artificial, worn by a woman at the back of the head.
A curl that had strayed from her chignon. — H. James