chapeau
/ˈʃæpəʊ/noun
(pl. chapeaux)
- Heraldry a hat or cap, typically a red one with an ermine lining, on which the crests of some peers are borne【纹章】（多为红色, 衬有貂皮, 缀有贵族纹饰的）帽子。
词源
late 15th cent.: from French， from Latin cappellum, diminutive of cappa 'cap'.