crin·o·line
noun/ˈkrɪnəlɪn/
/ˈkrɪnəlɪn/
- a frame that was worn under a skirt by some women in the past in order to give the skirt a very round full shape
（旧时的）裙衬，裙撑，裙架 Word Originmid 19th cent. (originally referring to the material used to make early crinolines): from French, formed irregularly from Latin crinis ‘hair’ + linum ‘thread’.