chignon

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++chi·gnon /ˈʃiːnjɒn $ -jɑːn/ noun [countable]  DCChair that is tied in a smooth knot at the back of a woman’s head 〔女人的〕发髻 SYN bun

Examples from the Corpus

chignon• She had dark hair dressed in a chignon, contained in a net of black chenille beneath her pork-pie hat.• Her hair was screwed into a ballerina chignon and her wooden lips set in a smile of excessive sweetness.• Hair swept into a chic chignon from just behind the fringe is let loose and combed close to the head.• Long hair swept up into a high chignon for classic glamour displays a rebellious streak!• Her blonde hair was pulled back into a smooth chignon and tied with a yellow silk bow.• Long hair will be dressed perfectly in soft chignons, french rolls and gentle loops.• A strand of her dark hair has escaped from the chignon she wears.Origin chignon (1700-1800) French Old French chaignon “chain, collar”

chi·gnon nounChineseSyllable  

Corpus that smooth knot hair in tied at is a

chignon
chi‧gnon /ˈʃiːnjɒn $ -jɑːn/ noun [countable]hair that is tied in a smooth knot at the back of a woman’s head
   SYN  bun

chi·gnonBrE /ˈʃiːnjɒn/ 🔊NAmE /ˈʃiːnjɑːn/ 🔊 noun (from French)

a style for women's hair in which the hair is pulled back and twisted into a smooth knot at the back （女人的）发髻