crinoline
/ˈkrɪnəlɪn/noun
1
- historical a stiffened or hooped petticoat worn to make a long skirt stand out〈史〉（使长裙撑起的）硬衬布衬裙, 圈环衬裙。
2
- mass noun a stiff fabric made of horsehair and cotton or linen thread, typically used for stiffening petticoats or as a lining（用马毛和棉纱线或亚麻纱线制成的）硬衬布（多用于使衬裙变得硬而挺或用作衬里）。
词源
mid 19th cent. （originally in sense 2, early crinolines being made of such material）：from French, formed irregularly from Latin crinis 'hair' + linum 'thread'.